Anyway, it only bogs down on take off, when you already have speed and stand on the gas it will shift down and take off, but from a stop it will not spin a tire or if your on a hill it doesnt even have the power to get up it. okay so I'm leaving work yesterday, running an errand before going home on the hottest day of the year so far(100+f). (almost feeling like its getting too much fuel). When you took off, it would buck and carry on and try to fall on it's face during acceleration. What fun it was. The truck seems to stay in 2nd or 3rd gear until it almost stalls. Lately is having problems idling, accelerating, and keeping a constant speed. What could be the problem? 1 2 3. It'll drive ok if I'm light on the pedal; and the engine feels smoother than ever. I have done computer codes all emission codes. During acceleration, the air and fuel that is forced into the cylinders extinguish whatever spark there is, which causes the car to stall. I’m stumped, well sort of… It’s a 4 stroke model, with 4 carbs. When I drive my car staright forwards, it runs great. I have 97 F250, the past few mornings have been the coldest they get around here and I'm having issues with my truck bogging down about 500 rpm as it accelerates when I hit 1000-1500 rpm or if I rev it up to about a 1000 or 1500 rpm in park and hold it there(it will drop the 500rpm then come back up and it cycles like till I let off). I just found out that it should be 55-62 PSI. Ive been battling a problem recently with my 4. 7 L trying to chase a problem down. I can feel it jumping and see the tach also jumping like it's trying to pull through but won't unless I gas it really hard. Does this sound right to anyone?. I have read on other sites that it may be the oil pressure sending unit. BlackCR25098 132. Throttling always makes it bog down and stop. But any time I just mash the pedal, at any speed or in neutral, it stumbles for half a sec and then takes off. 07 R1200 GS - Throttle bogging in 4th, 5th, 6th gears on acceleration My 2007 1200GS is fresh out of the shop after regular servicing. I would appreciate any ideas any of you may. I checked for vacuum leaks and there are none. Its bogging down when accelerating. And sometimes in 2nd gear, mostly after i am stopped and start driving again, while stopped the car soun. Bogs down when trying to accelerate (1994 Chevrolet C1500) replaced: fuel filter, dist cap, rotor, plugs & wires, catalytic converter, water pump, timing chain. It was sitting in my garage for a few years but I just re-assembled and am now trying to troubleshoot a problem. com/shop/theburbbilly My truck had a rough idle that varied it seemed depending on the weather so I figured I had a gaske. Unit have a new carb, air filter, fuel filter, spark plug and the exhaust and fuel lines have been cleaned. - i have replaced timing chain, gears, plugs plug wires distruber and distruber caps and more × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. I realize this question has been answered, but keep in mind that any carbureted engine can bog down under throttle and cause a lack of acceleration. 95 Chevy Silverado low power, bogging down. engine bogs out when accelerating. But the fuel level sender was occasionally wacky. when the car is cold and I put the engine under load, it will hesitate and the exhaust will pop. It's sorta scary. low acceleration while giving it gas- sounds like its bogging down to me. 015 is better IMO) clearance between your belt and the primary sheave. If I very slowly press the accelerator I can get a fairly smooth acceleration with some slight "popping" in the exhaust, but nothing bad - but that is only if I do it VERY slowly. Visit Sterling McCall Acura in Houston TX serving League City, Katy and The Woodlands #1GC1KVEY7JF138725. Tacomas (2005-2015)' started by GA Taco, Apr 29, 2017. Chevrolet trucks are famous for durability and service, but this doesn't mean there won't be a time when something goes wrong. Call (888) 409-6497 for more information. The truck will sometimes do this for 10-20 seconds or so, then pick up and go without any issues. Mine actually back fires a little bit and according to the boost gauge I am building no boost. vb , bogs , bogging or bogged to impede. It doesn't really stop until the engine reaches it's peak operating temperature, around 210°. When i drive the car and accelerate from a stop it bogs down almost to the point of stalling before it finally will go. I'm not sure where to start, I don't know if this an ignition, fuel or vaccuum problem. I don't hear it while in neutral and revving the engine, but when accelerating in gear from a stop I hear it. It turned really bad Sunday and I am stumped on what could be wrong. 1963 BMW R69S bogging down on acceleration One more thing of note is that is I rev up slowly it will keep up but when I open the throttle all the way it bog and. Stihl carburetors have three adjustment screws. It is also strange because if I mess with the choke enough, I can get it to blow pretty hard with half throttle (and it won't die down), but it is very hit-and-miss and still doesn't blow. Define bog down. Does anyone else's engine seem to bog down at lower RPMs? Many times when accelerating it's as if the engine is choking on itself then catches up once a higher RPM is reached. then shut it down. The truck starts and runs fine at highway speed but when accelerating, the truck hesitates and feels like it is "bogging" down. I would go to accelerate while going down the road and it would hesitate and bog down. Any help would be appreciated. Outdoor Gasoline and Electric Powered Equipment and Small Engines - blower bogging down at full throttle - Poulon PPBV25 Blower Has less than an hour use (NEW!). I went on a road trip this weekend and had to pass a fee folks. Quick fix for outboard throttle bogging down Outboard revs increase but boat doesn't accelerate 12 Reasons a 2 Stroke Cycle Engine Loses Power/Won't Start/Cuts Out/Bog Down/Fix. This goes until about 3-4k RPM. To fix this hesitation problem with it on my Chevrolet truck, we replaced the fuel pump, the catalytic converter, and the. I have a Husqvarna 480 that until now has been running just fine. Call (888) 409-6497 for more information. Quick fix for outboard throttle bogging down Outboard revs increase but boat doesn't accelerate 12 Reasons a 2 Stroke Cycle Engine Loses Power/Won't Start/Cuts Out/Bog Down/Fix. 3l truck and i am having difficulty taking off from a dead stop. a 2003 Silverado, 5. Call (281) 305-8949 for more information. Call (716) 954-8975 for more information. Before I mothballed it, the idle was rough but otherwise it ran reasonably well. I've been told i could be my Cats; or it could be my transmission, cause when i put it in neutral the engine has no problem all the way through red line. I have just recently replaced the air filter, fuel filter, mass airflow sensor, and oxygen sensor. code is P0106, P0172, P1130, P0420. Lately that hasn't been working. i already replaced the. And filled up with 90 ethanol free. If I'm easy on the gas pedal is doesn't happen, or if it does it's much softer. On mild days it will take about 20 minutes of driving to start doing it,and hot days like today (90) it does it right away. The bike idles way better, doesn't die with he choke too, but under load it still bogs down around 5-7k from, bogs down alot on full or half throttle too - Iqbal Khan May 29 '16 at 21:47 From what I've read people at its a jet issue or something being dirty or clogged it seeing that I've cleaned it so much I doubt this. I have no idea what is wrong. The truck starts and runs fine at highway speed but when accelerating, the truck hesitates and feels like it is "bogging" down. When going up the slightest incline on the highway (overpass, for example) the engine bogs, it loses speed, and it has to kick down to a lower gear. There could be many different causes for your car to hesitate when accelerating, but sometimes this hesitation is caused by something that we can take care of by our selves - a dirty MAF sensor. today i was cruising in 4th gear and downshift to 3rd to accelerate, it was real rough, i heard a noise and it triggered a blinking check engine light for about 5 minutes before it disappeared. Bogs Down When Accelerating 1997 Tib So I am about to buy a 1997 Tiburon but it has a known problem. Where as if I prime it a few times it cranks right up. The truck seems to stay in 2nd or 3rd gear until it almost stalls. The repair manual doesn't help either. Place a test light or DMM in the sockets to check continuity and repeat on the other noid to verify that the proper amount. Makes a loud clunking noise with light acceleration from 1st to 2nd gear. 2003 Malibu, 3. I was driving down the highway and I noticed it was missing a little bit. upon accelerating the motor bogs and clatters, very similiar to what a motor that has detonation sounds like. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. wants to die when accelerated unless floore?. Engine bogging down on light to med acceleration. I'm driving a 1996 Chevy Silverado with 260,000 miles on it. There are a lot of different reasons that can cause this. bogging when accelerating my 2. About 6 weeks ago it started bogging down or just cutting out. My mother sold her van and bought a smaller car with a 4 cyclinder, much better on mileage, etc. My Amazon store: https://www. This happens in 2nd and 3rd gears. Okay so i just bought a 2008 chevy silverado 5. Even after that, it was still so bad that I could not even make it up a. 02-13-08 03:25 PM - Post# 1365411 ok i am on my way home from work yesterday and am in the fast lane cruising towards home i feel something weird so i let off the gas i press it back down and is hesitates and starts to feel as tho it was sputtering i look and have a 1/4 tank still so i press the pedal to the floor same thing then start to go fine just to bog down again i exit look under the. while this is going on or shortly thereafter the tach starts bouncing erratically while under load. I own a '98 Chevy 1500 with the 5. 2002 Chevy Silverado acceleration problems. May be time for a good cleaning. It's sorta scary. How do I check the fuel pressure and the exhaust system? The truck had a similar problem a couple years ago, check engine light came on, the code was for the MAF sensor. It doesn't matter if I accelerate smoothly or if I step on it, the results are the same. I have 185 hours on the boat, and I'm sure it has never been tuned up as it had about 60 when I bought it. Never had any problems like this before with this truck. If it all seems right and it still bogs down when you throttle up, suspect the carb jets/accelerator pump. Call (281) 328-9555 for more information. The bike ran fine the first ~100 km and is just now doing this. Not for long bit just a quick drop in. Fuer filter, fuel pump, vacuum leaks. Average repair cost is $300 at 115,000 miles. I replaced the plugs n air filter which were both HORRID. Got a new water pump, LU oil and spark plugs. New issue that's just come up in my truck. The car continued to rev at high speed despite not pressing on any pedals, and the only way to stop it was to switch off the engine while the car. I changed the oil. Within about 5 minutes of it driving fine (and after warming up for about 10-15 minutes) when I throttle to more than a slow speed it backfires once every couple minutes and loses acceleration (bogs?) for a split second. 3 v6 When I push down hard on the gas my truck acts like it's either getting to much air or Lossing air an my RPMs start jumping up an down anyone ever have this problem an know the fix?????. bogging when accelerating my 2. The engine starts bogging down. Had my 100000 mile tune up 3 months ago. So last week I put my '68 Mustang (has a '73 rebuilt and bored 302 in it) on my car dolly to take it to the alignment shop after I replaced the whole front end and to pick up my plates on the way home. The 2007 Chevrolet Silverado has 5 problems reported for loss of power when accelerating. I have a Husqvarna 480 that until now has been running just fine. my 99 chevy silverado 4x4 5. 7L bogs down when accelerating. i can hear it. What else may cause the Shindaiwa T261 weed eater to bog when throttle is fully. There is a section for each scenario with likely causes for each. Replaced them and I started to get symptoms like most other S-10's (bogging down, hesitation on initial acceleration, if i put in reverse would even occasionally stall). I accelerate more to a higher speed to get past this but still sputters and pops. Only thing, when I pull the throttle back to idle, she dies, and, if I rev her up and quickly accelerate, she bogs down and dies straight away, too. But any time I just mash the pedal, at any speed or in neutral, it stumbles for half a sec and then takes off. It will also idle real low when I come to a stop, and sometimes stall. 00 on Amazon. tahoe bogs down when accelerating. It is still rideable but sometimes when it happens it is always at the wrong time. I just bought my 09 Versa S hatchback with 68k miles on it. 2000 Silverado 5. When I tried to drive it, it bogs down and misses when I accelerate. "Accelerating from a stop, reverse or even turning right seemed to have no effect but when I turned left, I experienced an engine revving sound and whirling sound as you described. OK - so my Civic 1200 has a single weber 40 DCOE. And sometimes in 2nd gear, mostly after i am stopped and start driving again, while stopped the car soun. My 200 chevy 1500 silverado 4. For a few months now my check engine light has been on. 0 6 cyl that is bogginging down or choking under acceleration. When I go to throttle, it seems to want to go full speed then bogs down quickly to around 3K RPM. The mower has a 25 hp Kohler engine and last year I put the Exmark mulching kit on the mower, full baffles with chute block and wavy exmark blades. A weak spark is the first sign that the ignition coil may be failing. I put it to work a bit and it is still bogging down. Used 2018 Chevrolet Silverado 1500, from Ford in Katy, TX, 77450. Hi Everyone, My '92 GS500E idles and starts fine, but when I'm riding it I'll give it a little gas and it will start to bog down. I can get the bike going, but it has to work extra hard, and more than usual clutch is needed to get it going without completely bogging down. Low fuel pressure. Measured fuel pressure at 30 PSI. When at a stop sign and slowly accelerating from it, I will get a loud moan/bogging sound. One controls the fuel mixture when the engine is idling, one controls it when the engine is operating at low speed and one is for high-speed fuel control. It has true dual exhaust, with Catco cats(on when I got it), and no mufflers. Never had any problems like this before with this truck. Lately is having problems idling, accelerating, and keeping a constant speed. honda s2000 bogging/sputtering when i accelerate and won't hit vtec I have a 2005 honda S2000 that possibly was flooded not sure and there was quiet a bit of stuff not working on the car when I got it which I have gotten a lot of it fixed. When I first get up in the morning the truck runs fine (it is a little sluggish). 97' suburban stutters and bogs down during acceleration 1 Answer. The truck starts and runs fine at highway speed but when accelerating, the truck hesitates and feels like it is "bogging" down. I then have been giving it a little choke just to get me home and it runs normally with the choke on. 2008 Silverado acceleration hesitation. I have a newly rebuilt q-jet 4bbl that is installed on a 350 in a 1980 C-10. , Ive got net payments of 200. Listen to everyone's advice and do a tune up. I would go to accelerate while going down the road and it would hesitate and bog down. I got a bolt and secured the pipe to the engine when the next day I lost the ability to idle. it usually happens when i flip it for a while or when i get stuck and dont throttle it. Used 2013 Chevrolet Silverado 1500 from Coad Ford in Anna, IL, 62906. When accelerating, the rpm's increase with gradual and smooth throttle input, then it bogs down/hesitates, then if I don't give it more throttle it bogs down so bad that it feels like the brake was applied. If bog exists only from an idle, not when accelerating from a constant speed, the idle adjustment is probably the culprit. Why is the engine bogging under acceleration? I recently managed to get the moped running properly, albeit for only a short time. It bogs down badly. Chevy Silverado and GMC Sierra Stalling Problem when the engine warms up the engine will stall and wont restart til it cools down. The fresh rumor comes to us courtesy of a new report from. It bogs down as if it sounds like it is not getting any fuel when i step on the gas. It doesn't really stop until the engine reaches it's peak operating temperature, around 210°. Lately that hasn't been working. Replaced fuel pump, filter, relay, spark plugs, wires, rotor. Bog from a cruise RPM may be caused by a defective advance mechanism, but on 4 barrel carburetors is often caused by the secondary side opening too soon. Why does my 50cc Peace scooter bog down when I give it gas? by Jonathan (Baltimore, MD) When I kick start my Peace scooter, it will run, then cut off. Call (716) 954-8975 for more information. There are a lot of different reasons that can cause this. i already replaced the. Re: Bogs down when trying to accelerate Post by Firefighter348 » Tue Nov 14, 2017 8:08 pm My 99 ford expedition runs good at idle but when you put it in gear it bogs down looses power to the point it will kill the engine what could be a cause I put my computer on it and lists all the codes for shift selonids and torque selonid but don't think. 7L developed a hesitation/stumble with light gas pedal pressure shortly after startup. When I put it to the floor, the truck would bog down like it was being limited between 2-3000 and 3-4000 RPM. Before I mothballed it, the idle was rough but otherwise it ran reasonably well. The seller told me that the car bogs down going from a stop but drives fine once the car gets up to speed. Atv bogging down when accelerating keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. I'm looking for some suggestions on what to do about this. at idle the voltage goes from 12 to 14 just bouncing around , i tryed the the MAF sensor cleaning and it helped somewhat i have already. Why does my RPMs jump up and down on my truck when I accelerate hard 2003 Chevy Silverado 4. com/shop/theburbbilly My truck had a rough idle that varied it seemed depending on the weather so I figured I had a gaske. its getting really bad gas milage im stumped by what it could be. It would just do it under hard acceleration. 3 Hesitation on acceleration Silverado Car If I press on down on the gas it feels like the tranny down shifts and when the RPM's reach about 2000. Contact us online, in person, or call for more information. It has a strong air sucking sound while it does this. Ok well i am back with another problem, after replacing the water pump everything was going great, but now the car idles rough. 1998 Disco 1, when accelerating cold it bogs down then gains power again? Any ideas? No codes in the car. When i drive the car and accelerate from a stop it bogs down almost to the point of stalling before it finally will go. Unit have a new carb, air filter, fuel filter, spark plug and the exhaust and fuel lines have been cleaned. i put in new distributor, cap, rotor, plugs and wires about 10,000 miles ago. I checked the carb and jets (Mikuni with 115/30) and everything is free. The wiring, and screen with the pump, in the tank. transmission programming. It is also strange because if I mess with the choke enough, I can get it to blow pretty hard with half throttle (and it won't die down), but it is very hit-and-miss and still doesn't blow. I had a buddy when I was in high school who could shoot an arrow up into the air, about 45° from level, then hit the arrow where it was stuck in the ground with his 22. I have a 2000 silverado z71, with 288K, recently replaced fuel pump and filter about 3 weeks ago, was running great, until last week when it started to hesitate bad and back fire under acceleration, it ran good in idle and underload until is warmed up then when you tried to accelerate it would bog down bad and start popping like tiny backfires and the more gas you give it the engine falls flat. Just got done rebuilding the carb (BN-40i-38) for my SeaDoo 2001 GTS 5521, including the accelerator pump and new diaphragms. Beg borrow or buy a timing light. I have a 2004 Chevrolet Silverado 2500 HD 4x4 plow truck with 50,000 miles. It idles fine, but when I put my foot down, the engine bogs down and dies if I dont let up. My car revs high when accelerating but slowly accelerates? Ok I have a Fiat Punto MK 2 (2K1) and lately sometimes when I've been driving from 2nd gear onwards (I haven't noticed it with 1st) when I try to accelerate the engine revs like it's out of gear, but it's in gear and SLOWLY accelerates. My Jeep Wrangler Bogging, sputtering and losing acceleration Also when this problem happens, there is an exaust/ gas like smell that is really noticable. Silverado & Fullsize Pick-ups - 98 silverado Bogging under acceration - hi first post here i have a 1998 Chevy silverado with 5. Would normally want to shift right there but the hard acceleration wont let the computer do it so it shudders for the split second because it the computer essentially had to tell itself to down shift (although no physical shift occurred). I have a 1997 cadillac deville, when I accelerate it bogs down and acts like. 07 R1200 GS - Throttle bogging in 4th, 5th, 6th gears on acceleration My 2007 1200GS is fresh out of the shop after regular servicing. This is not a permanent fix, but a possible band-aid to get you home and peace of mind at the parts store. I'm coming from the Zuma world, so am really excited about the potential of this bike. The truck will sometimes do this for 10-20 seconds or so, then pick up and go without any issues. When you took off, it would buck and carry on and try to fall on it's face during acceleration. I was able to park it and let it idle in my driveway and noticed a louder than normal whining noise coming from the rear of the vehicle only when it starts to bog down/stall and basically goes away when the motor corrects the idle. i have done a complete tuneup had a. Call (281) 328-9555 for more information. 7L 350 TBI The truck idles just fine but when you push on the gas it spits and sputters and doesnt want to run. wait about 15-30 min. Tonight, got on the highway and brick started to bog down. Used 2012 Buick Enclave from Lawrence Hall Abilene in Abilene, TX, 79605. Look on the carburetor for numbers that are stamped into it. ) New air/fuel filters and fuel pump. Also gas mileage is down to under 20 mpg. I have tried cleaning the carb and several other things. It just seemed to kinda bog down or something when I gave it more gas. Used 2016 Chevrolet Silverado 1500 from Lake Elsinore Ford in Lake Elsinore, CA, 92530. Same ole game. Fault in one part eventually leads to the issue in another part. I just about finished felling 8 white pines over 40' tall when the chain saw started to bog down and stall under full throttle. Everything else runs great. Throttling always makes it bog down and stop. It also won't rev past 3,500 either. Used 2018 Chevrolet Silverado 2500HD LT Standard Bed for sale - only $42,995. Recently, my engine has been bogging down as I pressed the gas pedal. To test push down on the accelerator pump arm, if the gasket is good it will push down wih little resistance and a good flow of fuel will come out the squirter. if the pressure drops, its either your fuel pump or your injectors. As I approached a hill I stepped on it and slowed down? When I back off of the pedal a bit it felt like the decelleration stopped and maybe even had a little acceleration. My Amazon store: https://www. What is more, some mornings when I wait for the car to heat up a bit, the same occurs and the engine stops. I continued to press on the brake and changed the gear to neutral. This topic contains 1 reply, has 2 voices, and was last updated by stractor 1 year, 8 months ago. "Accelerating from a stop, reverse or even turning right seemed to have no effect but when I turned left, I experienced an engine revving sound and whirling sound as you described. I am having an issue with my 1994 Toyota Pickup 4x4 pickup SR5 V6 manual, in that when i am driving down the road, and need to let off the gas to slow down just a bit, when i go back to press on the accelerator again, there is NO gradual acceleration to the vehicle. acceleration bog-down, choke, float level, fuel leaks, jet needle 2 Attachment(s) 2001 Sportsman 400 Carburetor Rebuild - leaking/engine lag/fuel issues GrumpyDude Last Post By: , ago. Hesitation an backfire under acceleration. Any specific suggestions? what would cause my car to bog down when trying to accelerate when the car is warm?. 1995 Chevy silverado 5. Laser Blue Metallic is a fantastic color. Post 1768948 - We are the #1 Dodge Diesel Cummins site on the internet. Replaced fuel pump, filter, relay, spark plugs, wires, rotor. Backing off the pedal allows the shift to happen fine, once the RPMs back down to somewhere around 3k. The truck will accelerate mostly only between 2000 and 3000 rpm. If it bogs down too much I take it out of OD until it passes that 45-50 mark then it's fine. I have a 2000 Buick Century Custom (3. It is possible that a car jerks when accelerating due to broken fuel pipes. When the bike is at an idle, it will bog if you open the throttle all the way to fast. If it all seems right and it still bogs down when you throttle up, suspect the carb jets/accelerator pump. i already replaced the. 2016 Chevrolet Silverado 1500 For Sale in Saint Cloud, MN on Commercial Truck Trader. Call (281) 328-9555 for more information. what the hell is going wrong?. 2, and his truck runs completely fine and normal, but usually about once a week sometimes more, or so, he'll be sitting at an intersection and the truck will idle fine, then when he goes to give it gas it bogs down and has no. Why does my truck bog out. Engine Bogs down with A/C on highway. Brake light Engine Jerking/Hesitation Bogs down Stalls After 40 seconds of being stopped at a stoplight, the car starts choking and jerking. While accelerating in boggs down on it's face & i get oil coming out of my PVC Valve. it seemed as tho the saw was running lean. I have taken the TBI unit apart and soaked it in cleaner solution, did the kit with the diaphragm, same thing. Thought it was a bad tank of gas from sitting on the dealer lot, so I put iso-heet and fuel injector cleaner into it, and filled it up from 3/4 tank with 93 octane. At about 200 degrees,when put in reverse, the truck stalls out. Chevy Suburban. It starts and idles great now. If I restart and throttle up. Page 2 of 2 < Prev 1 2. I ordered Cap, Plugs and Wires from Rock Auto to see if that helps the holeshot. Under normal accelerating, the car seems fine. I changed the valve cover gaskets put new plugs & wires, but now it is bogging down when I accelertate but it idles just fine. Wasnt having any issues. I could feel vacuu on front of carburetorss. But above let's say 30 and hard acceleration it's all good. Gas cap replaced. It will accelerate fine if I apply the pedal like normal such as at a green light. I pulled over and my engine. On hard acceleration it is bogging down like there is to much air, Oh yeah, My vehicle specs 93' Chevy Silverado k1500 4. check out dieselplace. upon returning back to idle the needle will calm down and stop bouncing. My T100 (93 T100 218,000) keeps bogging down between 2nd and 3rd gear while I'm giving it gas, almost like its flooding. The issue is that the engine hesitates (not quite stalling), more of a bogging down at the top of the shift range during hard acceleration. It would just do it under hard acceleration. 7 bogs/backfires when I give it gas. when i accelerate gently the truck hesitates and bogs out, when i step on the gas it is fine. Hi, I was having a problem last week where my truck was bogging down a little when i would accelerate. It used to drive fine after starting. Hesitation an backfire under acceleration. I rarely ever beat on it and i just decided one day to floor it and it made it all the way past first gear but the minute it shifted into second the motor just dropped and had no power. Everything else runs great. It's sorta scary. It feels as if 3500-4000 rpm is its redline or something. I have read on other sites that it may be the oil pressure sending unit. have replace 2 fuel pumps and filters in less than 1 year. Own 2010 tundra 2wd 5. 1988 c1500 with 350 bogging down on acceleration. I went on a road trip this weekend and had to pass a fee folks. Upon accelerating I got about 1/4 way into the. At full throttle, it bogs down. My 95 chevy van 5. I replaced the plugs n air filter which were both HORRID. I would go to accelerate while going down the road and it would hesitate and bog down. When I did get it started, it too would bog down when I gave it gas. Unloader needs to be adjusted but don't know how to do it. There is a section for each scenario with likely causes for each. If I let off the throttle it would come back to life and then run fine if I accelerated gradually. Thanks for. 1998 Disco 1, when accelerating cold it bogs down then gains power again? Any ideas? No codes in the car. When ever I am coasting under 25mph (most of my 100 mi. airheadPete, Apr 27, 2017 #41. I can't accelerate through it, but if I let off and drive normal it's fine. It does this worse when it is first started, but I kind of expect that. This goes until about 3-4k RPM. Chevrolet Silverado owners have reported 24 problems related to transmission gear slipping (under the power train category). It will accelerate fine if I apply the pedal like normal such as at a green light. Truck cold: Running at 47psi. this is the only time it does it, during the heat of the day.