Chevy Truck Bogs Down When Accelerating







Replaced erg, plugs, wires, oxy, filters. 5 and then down to 11s after that with a little burble. I have a 93 chevy Blazer s10 4. If I press on down on the gas it feels like the tranny down shifts and when the RPM's reach about 2000 it stops the hesitation and goes right on down the road. into owning the truck. Would loose as much as 5-8 mph before a lower gear was found to maintain speed in hilly conditions. It's not throwing any codes. When taking off from a stop, when I slowly push down on the gas pedal just off of idle the engine will suddenly accelerate and the truck will lunge forward. New issue that's just come up in my truck. Never had any problems like this before with this truck. Used 2017 Buick Encore, from Hugh White Honda Athens in Athens, OH, 45701. chevytruckworld. Well down to my problem I left Tampa Florida to come up to a race event at VIR( Virginia international raceway) which is about 700 miles each way. Today I pumped gas and was leaving the station when my car started to bog down and idle hard. The engine is a 1969 350 chevy. I can drive it around the neighborhood and even get on the freeway but if I try to accelerate at all the motor just goes slower and slower the rpms continue to fall untill I let completely off the pedal and lightly press down again. Tech said there is a problem but doesn't know what it is. It's not throwing any codes. Read more Chevrolet reviews to learn about other models. Save money on Used 2001 Chevrolet Silverado 2500HD Crew Cab models near you. If you have a 1/4 tank or less, the sudden acceleration from a stop will make the gas in the tank flow to the back, away from the pump starving the engine for a moment or two. It will accelerate fine if I apply the pedal like normal such as at a green light. 350 runs great at idle but bogs down during acceleration Im running out of ideas i recently bought a gm crate engine for my 76 blazer ive replaced just about everything on the motor when i bought it (new carb, fuel pump, fuel filter, water pump, alternator, power steering pump, plugs wires cap and rotor) the only things i kept were the intake. I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a "pop" and my engine started to bog down. When it cools down completely I'll check and see if I'm still bogging. Hello everyone, I have a 1953, 3100, 216 Chevy Truck. I have a 93 Chevy C1500 4. Almost like it is getting choked out, or. 3 Bogging, Need answers/suggestions Originally Posted by Bistineau The 96 is a TBI set up not seperate injectors for each cylinder, besides with that engine it would only be 6 injectors not 8. My 1986 Silverado C10 with a small block 305 is having a weird misfire issue. However, it still has a loud bogging down noise that has been there since day one at the same conditions as when it would shudder (between 30-50mph). VIN# KL4CJ2SB8HB014839. The truck has better power and feels like it. It'll drive ok if I'm light on the pedal; and the engine feels smoother than ever. under normal conditions it runs o. Com : 4x4 and Off-Road Forum. Why does my car accelerate slowly when I press the gas? Greg February 16, 2012. Call (740) 594-8555 for more information. 2006 Silverado Bogs Down Code P0442 Details Chevy Silverado and GMC Sierra Truck Repair Help. Now when it bogs it just stays that way. [SOLVED] chevy 1500 backfire. but I got in some deep water in my FJ40 with a small block Chevy and had the same problem. Attempts to accelerate caused the truck to bog down until it shifted to a lower gear to accelerate. Idles pretty good, but when accelerating bogs down or loses power then comes back and surges. It has had cylinder 7 misfire, random misfire, rich, and 02. Measured fuel pressure at 30 PSI. I have been going round and round on this truck with no final fix. One of my trucks has a stock 250 engine, with manual choke, and standard transmission. With huge turbocharged. Check to make sure your check engine light is not on, or that it is on with the key on but. (very new to carburators) I seem to have a smooth idle and the truck acccelerates okay if done slowly. Per Pony Carbs timing instruction initial advance was at 20 degrees, mechanical at 18 degrees and John told me on the phone to add more initial advance but this seemed to make the. Now when its cold it runs really rough coughing and sputtering. Today I pumped gas and was leaving the station when my car started to bog down and idle hard. 7 Engine "bogs" down under hard acceleration. This goes for all vortec 4. Read on for effective ways to track down noises, both outside and inside the cabin, and what can be done to correct them. The idle is stable and it revs cleanly when the car is out of gear with no load. Severe hesitation when accelerating? Need some help please! 1964 Chevy 4x4 Truck, 350 Chevy. The check engine light came on a week after purchasing. Bogging down power loss upon acceleration - Diesel Place : Chevrolet and GMC Diesel Truck Forums. My truck bogs down when I accelerate going down the road asked by Hunter H on November 02, 2016 It doesn't do this all the time but When I'm going down the road after about 30 minutes of driving my truck will sometimes bog down when I try to push on the gas pedal and it acts like it's going to cut off and the engine misfires. If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. I have taken the TBI unit apart and soaked it in cleaner solution, did the kit with the diaphragm, same thing. bogs - Ford Truck Enthusiasts Forums - Threads Tagged with bogs - Page 2 Log In. However, if I accelerate quickly the truck starts to sputter and bog down. I would use the Edelbrock, however when the Holley runs good, I feel IMHO that it outperforms the Edelbrock. An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. when I accelerate quickly or matt it the truck will back fire through the tbi and will either stall completely. 7 will start and run fine when the engine is cold. Insufficient Fuel Delivery. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The way it hesitates feels like a fuel delivery problem. I tried to climb a relatively small hill and the RPM never gets above 1000 or so. For example, when I am coasting to a red light and it turns green before I come to a stop when I lightly accelerate the bog noise happens. As you might guess when the vehicle's got 18 different speeds, getting the truck into Lo gear on Low setting will get you going about one mile per hour, if that. the truck has new head gasket, fuel pump, fuel filter,and a crank postion sensor. 09 Bogging during acceleration From a dead stop, floored, the truck will do great until around 50 mph, then it bogs down for about 1. I have been going round and round on this truck with no final fix. I will look at both and let you know. It almost feels like the fuel is not coming up to the primary boosters quick enough when the throttle blades pass by the top of the transition slots. It does this worse when it is first started, but I kind of expect that. 3 and the check engine light recently came on showing code p0442. Before I put more money into it (besides radiator) I'm thinking of getting it checked out by my mechanic for some tests. It feels like it is starting to accelerate then bogs, then takes off. If I press on down on the gas it feels like the tranny down shifts and when the RPM's reach about 2000 it stops the hesitation and goes right on down the road. Now when its cold it runs really rough coughing and sputtering. Marine: Boating, Sailing, PWC, Nautical Navigational GPS - Mercruiser 4. my expedition idles fine but while i slowly or gradually accelerate it seems to bog down and jerk a little bit, but if i stomp on the gas it reacts fine and gets up and moves. Removing a vacuum line off of the intake manifold helps idel. A car loses power during acceleration if it doesn't have enough fuel or lack of power to the system. It only shakes when hard accelerating. I drove this SUV for a few miles with no issues. Before I put more money into it (besides radiator) I'm thinking of getting it checked out by my mechanic for some tests. Chevy Truck Knock Sensor Issues – DTCs P0327 & P0332 Deep down, Mauro Vitale is a drag racer at heart. Everything else runs great. my plugs are white and i can smell the exhaust fumes really bad. 7L V8 engine with 150k miles on it. INADOME イナドメ ヘッドライト本体・ライトリム/ケース ヘッドライトボディー&リムセット タイプ2 シリコンコート加工(防錆処理):する W400 W650 W800,Kuryakyn クリアキン その他外装関連パーツ L. 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?????. it has miss-fire, rough - Buick 2002 Century question Search Fixya Press enter to search. It almost feels like the fuel is not coming up to the primary boosters quick enough when the throttle blades pass by the top of the transition slots. A top fuel car can be heard over 8 miles (13 km) away and can generate a reading from 1. 74 Answers. A car hesitates when accelerating is a symptom that shows an imperfect internal combustion in your engine. Find detailed gas mileage. 86 Blazer K5 305 bogs down on acceleration. This started to happen relatively recent. I have a 93 chevy Blazer s10 4. It's 2003 Chevy Trailblazer. And also the throttle position sensor because for some odd reason that thing failed at the same time. What is happening when the engine is idling and I turn the A/C on or the defroster (which also uses the A/C I believe), the engine starts to bog down. The air mixes with the fine spray of fuel inside the engine and is then lit by the spark plug causing a controlled explosion, which moves the pistons. If it bogs down too much I take it out of OD until it passes that 45-50 mark then it's fine. This truck has a good motor but it lacks power all the time not like barely moves but it won't burn rubber. I have a 66 inline6 automatic, it starts just fine and goes into gear fine, speeds up fine, cruises fine, but as the engine warms up or when its at operating temp this is where it seems to act up. Turns out it was the map sensor. Any help appreciated!. 3 Bogging, Need answers/suggestions Originally Posted by Bistineau The 96 is a TBI set up not seperate injectors for each cylinder, besides with that engine it would only be 6 injectors not 8. I'm interested to get to the bottom. Won't Rev In Gear-February 2007-Question: I'm having a problem with my engine bogging at 5,000 rpm in. I don't have engine bog at driving speeds, just aggressive acceleration just off idle. It feels like a very bad miss. Engine bogs down with light acceleration I’ve been having this issue for awhile now, about a year and a half or so. The engine runs fine when cold but as it warms up it starts to "surge" at idle and when you come to a stop it acts like it wants to stall then it grabs. Things it does: If I am coming up to a red light and slowing down and then the light changes to green and I push down the accelerator it does not accelerate quickly at all. I replaced the fuel pump-because it was bad in July. 2007 chevy cobalt knocking sound. 99 Silverado Bogging Down When Accelerating Discussion in 'Maintenance' started by tweedster19, Apr 1, 2014. 3-liter V8 engine that makes 320 horsepower and 335 pound-feet of torque and is paired with a six-speed automatic transmission. When you need to do some serious hauling, a 1-ton truck is as good as its gets. I have a 2000 4. It more affects my idle, which is a little more rough with a/c. (very new to carburators) I seem to have a smooth idle and the truck acccelerates okay if done slowly. I notice it more on cold startups in the morning. A easy fix to this problem is to replace your spark plugs. confirm your fuel pressure when you have it bog down to verify if it is. 7L bogs down when accelerating. Ijust had them balanced. This started to happen relatively recent. It's not throwing any codes. I get back onto the highway, and the truck ran fine until I got to a stoplight. Changed plugs, coils, MAF sensor, O'2 sensors, cat converters, alternator, battery, fuel filter, cleaned injectors and they have proper fuel pressure, air filter, gas I'm at a loss. how ever if the truck is in park or neutral and you slowly accelerate there is no cutting in and out or bogging down. My radiator went out so I put in new radiator. Bogs down when trying to accelerate (1994 Chevrolet 1500 Pickup) replaced: fuel filter, dist cap, rotor, plugs & wires, catalytic converter, water pump, timing chain. Pumping the gas does not help. I removed the throttle body and thoroughly cleaned it and the. I will look at both and let you know. If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. Has a quadrajet carb, new fuel pump and filter, new points, condensor, new coil. The Chevrolet "Big Block" is a term for a series of large displacement V8 engines that have been developed and produced in the United States from the 1950s until 2009. Below are the top 7 common causes for a vehicle losing its power when accelerating it. 85 with smooth idle but bogs down w/ acceleration I replaced the injectors and the car was running fantastically. Home Forums > Chevy Truck Tech Forums > Chevy C/K Truck Forum > Bogging down on hard acceleration. I have changed the gas 3 times and still comes back on. 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. The timing is not off(non-use distributor with points). I have a 1994 chevy 1500, 350. It almost seems like it ran out of gas. Under no load (line really short or not trimming grass) it gets up to high rpm's and sounds ok. 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. 2006 Silverado Bogs Down Code P0442 Details Chevy Silverado and GMC Sierra Truck Repair Help. It only shakes when hard accelerating. My 03 boggs down and loses power after heavy acceleration. 7L 350ci TBI truck and it has been acting up here lately it all started about a month ago. Truck has no power and bogges down down when given throttle. The problem starts about thirty seconds after I first start it up cold. Search: Search Holley 2210 cfm. 9 m42 motor. In both two- and four-wheel drive trims, the Tahoe gets 15/21 mpg city/highway, according to the EPA. Your 90 Chevy 454 truck runs sluggish and seems to have lost power it is a new motor and the engine light comes on intermitent you can hold the brake and hit the gas and it will bog down it has a new?. He has replaced the fuel pump, fuel filter, the ignition module. Minor annoyance. It does this worse when it is first started, but I kind of expect that. Any help appreciated!. 3 Bogging, Need answers/suggestions Originally Posted by Bistineau The 96 is a TBI set up not seperate injectors for each cylinder, besides with that engine it would only be 6 injectors not 8. 1988 Chevy 5. 93 chevrolet truck bogging down on acceleration I have a 1993 chevrolet C2500 light duty. I have a 93 Chevy C1500 4. I had the peddle to the floor and was only doing about 40. No hard acceleration, I'm been babying it, easy and gentle. An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. It shuts off once it heats up. " Anonymous, TX (2016 Chevrolet Colorado) "This truck is very quiet inside and the V6 is very strong and quick. We are the premiere place for 1st gen and 2nd gen Dodges as well as a great source for newer models as well. had one vacuum leak that i fixed. 7 bogs/backfires when I give it gas. Details Chevy Cavalier Car Repair Help. If the lines get clogged, the vehicle can accelerate slowly or hesitate and stall. as for fuel injection u might want to have the throttle position sensor tested. But if I try and mash the pedal the car bogs down. you can get a rebuild kit and a book to rebuild it. Hey there, it sounds like you may have an issue with fuel getting to the engine. I'm wondering if rust inside one of the passages in the carb could have broken loose and clogged something up since the Carter W-1 carbs are mostly made of cast. 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). Bogging down power loss upon acceleration - Diesel Place : Chevrolet and GMC Diesel Truck Forums. I have a 04 GMC with the latest LB7. 7 tbi runs rough cold and Discussion in 'Chevy Trucks' started by russ130, Dec 16, 2008. To fix this hesitation problem with it on my Chevrolet truck, we replaced the fuel pump, the catalytic converter, and the. It will only stop doing this when I release the gas and then gradually press it back down. , PA (2015 Chevrolet Colorado) “It handles great, but the acceleration is horrible. Try to start it again and it sounds like it tries to start then the starter will bog and sometimes it turns over fine but just won't start until it cools down. I got the engine timed to the 6 before TDC GM spec. (very new to carburators) I seem to have a smooth idle and the truck acccelerates okay if done slowly. This article covers a wide variety of noises common to the hard working Chevrolet Silverado. I'm just guessing with the timing. We tried a known good quadrajet off another car that was running fine and it still did the same. Used 2017 Buick Encore from Reed Automotive Group in KANSAS CITY, MO, 64153. what are your. I have a 1998 Dodge Ram 1500 5. When i push the pedal it feels like it bogs down then goes after about a block. Severe hesitation when accelerating? Need some help please! 1964 Chevy 4x4 Truck, 350 Chevy. 7 liter vortecs. Truck bogs down, looses power when taking off from a stop. I actually went from 70's to 67's but it didn't bog after the 67's just after the other adjustments were made. It's 2003 Chevy Trailblazer. Check to make sure your check engine light is not on, or that it is on with the key on but. My pickup is acting up. 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 then noticed a blue color smoke come from the exhaust after starting it, just happened once. The problem is sporadic and not consistent, yet it seems to get worse in wet weather. Hey there, it sounds like you may have an issue with fuel getting to the engine. For example, when I am coasting to a red light and it turns green before I come to a stop when I lightly accelerate the bog noise happens. Currently it will cut in and out and lose power or bog down almost like a misfire but its not a misfire if that makes any sense. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a "pop" and my engine started to bog down. Connected services include navigation services and Remote Access Plan. I get back onto the highway, and the truck ran fine until I got to a stoplight. It almost seems like it ran out of gas. With Chevrolet’s infotainment technology, active safety features and fun-to-drive performance, this versatile small SUV is ready for your next adventure. GM had Rocky Mountain high hopes for this truck, and sales have been strong. Now when it bogs it just stays that way. I am still currently having the issue of the hesitation and lack of power. I don't have engine bog at driving speeds, just aggressive acceleration just off idle. It does this worse when it is first started, but I kind of expect that. 74 Answers. If I put the pedal to the floor the truck still slowly accelerates and pretty much completely stops accelerating at about 3500 rpm. 2007 chevy cobalt knocking sound. In both two- and four-wheel drive trims, the Tahoe gets 15/21 mpg city/highway, according to the EPA. Why does my 1999 tahoe bog down and sputter when i accelerate - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Engine Troubleshooting courtesy of Greg's Engine & Machine. The carb was on a small block so I was a little leary. Hope this helps. Bogging down power loss upon acceleration - Diesel Place : Chevrolet and GMC Diesel Truck Forums. 7L 350ci TBI truck and it has been acting up here lately it all started about a month ago. When I hit the gas down it loses acceleration almost like it's being starved of air or gas. We tried a known good quadrajet off another car that was running fine and it still did the same. It gets worse with the RPM of the engine. It feels like a very bad miss. Read on for effective ways to track down noises, both outside and inside the cabin, and what can be done to correct them. No bogs, flat spots, etc. 94 Chevy Truck surges at idle in gear, loss of power under accel? I just bought a 1994 K2500 w/ 5. Many thanks everyone. My radiator went out so I put in new radiator. As soon as I let off the pedal it smooths out. It's 2003 Chevy Trailblazer. down hill was fine got to a straight away it would loose power again any info would help on what may need to be looked into to solve this problem. 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. A car loses power during acceleration if it doesn't have enough fuel or lack of power to the system. down hill was fine got to a straight away it would loose power again any info would help on what may need to be looked into to solve this problem. The wiring, and screen with the pump, in the tank. It will accelerate fine if I apply the pedal like normal such as at a green light. 1997 - 2003 F150 - Truck shakes when accelerating - Its not the tires/wheels. Once you've slid into it, release the clutch and you'll probably be ready to shift into Lo-H. " Anonymous, TX (2016 Chevrolet Colorado) "This truck is very quiet inside and the V6 is very strong and quick. Acceleration and Power. all or different ones at different times and then some will work again and some wont. Hi, my car has just under 90,000 miles. This started to happen relatively recent. I would appreciate any ideas any of you may. It almost seems like a fuel delivery issue but then as I mentioned no check engine light is on so all parameters are within normal range according to the trucks brain. you can get a rebuild kit and a book to rebuild it. I'm just guessing with the timing. my fuel pump was replaced about 6 months ago and the fuel filter is about 3 months old. The truck has 225,000 miles on it, about 100,000 on the motor. had one vacuum leak that i fixed. 1988 Chevy 5. I just got done replacing all the steel fuel lines underneath the truck because they rusted out and started leaking, checked for leaks and kinks, none found, but the hesitation is still there. Hi to all mechanical minded people, My car struggles accelerating up hill, on straight road it accelerates fine. If I gently press down on the petal I can accelerate, but the moment I try and step on it I get the symptoms described above. The truck idles just fine, and runs well at all rpms once you're on the move. If it is a small issue I can correct on my own, doing so can save me both time and money. A easy fix to this problem is to replace your spark plugs. My truck bogs down (and tries to die) when I give it gas to accelerate off of a stop. - Truck idles great in park and all gears, and otherwise runs totally smooth. truck bogs down, looses power when taking off from a stop. When I accelerate my Chevy bogs down, it starts to sputter and pop, ie blow back through the TBI throat. After that, you can get the RPM up if you slowly work the accelerator but as soon step on it, the engine just bogs down until you back off the accelerator. When you need to do some serious hauling, a 1-ton truck is as good as its gets. Many times I have helped people that were confident there fuel supply was good, and when they put a gauge on it they find the fuel pressure was the problem. 7 bogs/backfires when I give it gas. I replaced the fuel pump-because it was bad in July. (almost feeling like its getting too much fuel). bogs - Ford Truck Enthusiasts Forums - Threads Tagged with bogs - Page 2 Log In. It bogs down badly. Attempts to accelerate caused the truck to bog down until it shifted to a lower gear to accelerate. Services subject to user terms and limitations. 5-2 seconds then gradually keeps picking up speed. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". Just bought a 74 Chevy K10. It's not throwing any codes. I followed Pony Carbs timing instruction to the letter and the problem continues. Made it through just fine, and was in the mud no longer than 5 seconds. I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a "pop" and my engine started to bog down. What is happening when the engine is idling and I turn the A/C on or the defroster (which also uses the A/C I believe), the engine starts to bog down. Lately, I have noticed, the car would bog down, at low rpms, in every gear. The engine would bog down or almost stalled out instead of going faster. Probable Explanation: You have a minor engine ping. Car starts on a dime and drives great for about 10 mins just all of a sudden just bogs down and idles really low then finally stalls. This just started occurring, when my A/C is turned on my car accelerates really slow, and always bogs/sputters/ and hesitates to accelerate. - Giving it more gas when stumbling takes a few seconds to kick in, and in those few seconds it seems to "bog it down" more. Acceleration and Power. I replaced all the sparkplugs yesterday, replaced my fuel filter, and also checked the air flter. if I let up off it and mask down on sometime it will stop r I have to push the gas down very slow to stop itcan please tell what I need to do to stop it. During ownership of my 2016 Chevrolet Colorado V6 gasoline engine vehicle it has had numerous sputtering situations when accelerating. i can hear it. Took truck in for service, told dealership about shifting issues. I have a 93 chevy Blazer s10 4. Took the truck down the street and now it has trouble accelerating from a cold start as well. took off for a weekend outing when I would accelerate my rv would bogg down then it would pick back up got to a hill and it bogged down again did'nt think I was going to make it up. Just bought a 74 Chevy K10. Let eBay Be Your Source for Truck and Car Sales Time is money, and the faster you can find the car or truck you've been searching for, the more time you will have to enjoy driving it. Truck has no power and bogges down down when given throttle. In both two- and four-wheel drive trims, the Tahoe gets 15/21 mpg city/highway, according to the EPA. I have been working on the vac system, but not sure if im on the right track. Under normal accelerating, the car seems fine. Per Pony Carbs timing instruction initial advance was at 20 degrees, mechanical at 18 degrees and John told me on the phone to add more initial advance but this seemed to make the. I would appreciate any ideas any of you may. Your 90 Chevy 454 truck runs sluggish and seems to have lost power it is a new motor and the engine light comes on intermitent you can hold the brake and hit the gas and it will bog down it has a new?. What Causes Backfiring on Acceleration? Backfiring during acceleration occurs when ignition takes place in the intake or exhaust instead of the combustion chamber. Automatic Transmission Torque Converter problem of the 2017 Chevrolet Colorado 12 Failure Date: 11/01/2017 After about 600-700 miles on new vehicle, after truck sits overnight when first started you could feel what seems to be the the torque converter was engaging as it the transmission had lost pressure. I saw my grommets on valve covers were damaged from age and heat. Automatic. The idle is stable and it revs cleanly when the car is out of gear with no load. It's difficult to drive because you cannot simply accelerate from idle, when taking off from a stop sign or light. if its stock you should have a quadrajet carb. New to the site. Model year 2018 and newer Chevrolet Bolt and Chevrolet Volt vehicles receive 5 years of Remote Key Fob Add-On. Got a question. Let eBay Be Your Source for Truck and Car Sales Time is money, and the faster you can find the car or truck you've been searching for, the more time you will have to enjoy driving it. 2004 CHEVY SILVERADO GAUGE SEAT HEATER ISSUES. At full throttle, my car will hang up at high RPMs for a few seconds before shifting into the next gear unless I take my foot off the gas a bit. i can hear it. After that, you can get the RPM up if you slowly work the accelerator but as soon step on it, the engine just bogs down until you back off the accelerator. Tried it again and it would drive fine at first and then bog down during acceleration.