When does Chevy Impala engine hesitate during acceleration?

Chevrolet Impala Engine hesitates during acceleration Inspection at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.

What kind of engine does a Chevy 3.8L have?

The History of the Chevy 3.8L V6. Chevrolet had two types of 3.8-liter V-6 engines: the 3.8-liter Buick V-6 and the short-lived Chevrolet 3.8-liter version. The venerable and immensely popular Buick V-6 survives today as the GM 3800 and serves as the base engine for many Chevy cars.

What kind of engine does a Chevrolet Impala have?

Starting for the 1962 model year, the Impala SS was an appearance package limited to hardtop coupe and convertible coupe models, available with all engines in the Impala series starting with the base 235 cu in (3.9 L), 135 hp (101 kW; 137 PS) inline-6 through 1967, though the big-block engines and heavy-duty parts could still be ordered.

When did Chevy stop making the 3.8 liter V-6?

Chevrolet replaced the Buick version with another 3.8-liter V-6 version, based on the Chevrolet 305 V-8, from 1980 to 1985. But the Buick V-6 returned to power post-1985 Chevys as the GM 3800.

How many horsepower does a Chevy Impala have?

I AM NOT SURE WHERE IT IS COMING FROM. I WILL SEE IF I CAN DETACH THE WHEREABOUTS BEFORE I TAKE IT TO A GARAGE. THE CAR RUNS WELL WITH 125,000. IT IS A 91, AND I AM THE ORGINAL OWNER.

Why does my Chevy Impala stall when cold?

We thought the car problems were consistent (always starts when when cold, sometimes won’t start when warm, but will eventually start when engine gets cold), but it threw us a curve the other day when the engine stalled while my wife was turning into our development. Luckily, she was able to coast it a half mile to our driveway.

Are there any problems with my Chevy Impala?

No problems with that Impala for 95K miles til last summer when it began to act up. It quit in Wisconsin the other night 100 miles from home. That was the last straw I guess. At least it was 40 above and not 40 below that night. Waited 30 minutes and it started right up.

Is the Chevy Impala LS a good car?

Stylish, Handles and drives great. Owned This Impala LS since 2004. great styling and comfort. Spacious interior and trunk space. Great highway vehicle. Good fuel economy for a full size vehicle. 29 highway 19 city. Minimal rust on a car driven in winters in the Northeast.

What’s the throttle plate angle on an Impala?

Please discard Corporate Bulletin Number 06-07-30-023D (Section 07 – Transmission/Transaxle). Some customers may comment on a 1-2 shift shudder at light to moderate acceleration. Typically, the throttle plate angle parameter is 12-20% at time of condition with vehicle speed of approximately 24-40 km/h (15-25 mph).

Why does my Toyota Corolla hesitate during acceleration?

When a vehicle is hesitating during acceleration, it should be inspected by a mechanic. A vehicle with a combustion (gas or diesel) engine requires an exact mixture of fuel and air to run efficiently. If this mixture is thrown off in any way, it may result in an engine running too lean (not enough air), or too rich (not enough fuel).

Is there a TSB for a GM Impala?

The TSBs they have are all just from GM, any GM tech can access the TSB without needing Alldata. This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 06-07-30-023D (Section 07 – Transmission/Transaxle). Some customers may comment on a 1-2 shift shudder at light to moderate acceleration.

Chevrolet Impala Engine hesitates during acceleration Inspection at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.

Are there any problems with the Chevy Impala?

Brought the Car Used…. Drivetime (Very Clean, Fully Loaded) Great Vehicle aside from the Jerking that started around 110k miles. Jerking and hesitating only during take offs from stop light or signs. I noticed it a little sluggish in reverse leaving driveway slightly uphill as if vehicle doesn’t had the power.

What causes transmission slippage in a Chevy Impala?

If I dont come to a complete stop and accelerated the gear takes a second to engage and causes the car to lurch forward suddenly with a slam making it feel like i was hit from behind. transmission slippage in first gear. also, car struggles to get up to spead in first gear.

How much does it cost to fix a Chevy Impala transmission?

The transmission issue of shifting erratically just started but only when the car has been on the road for more then 30 minutest or so. Was checked out through a Chevrolet dealer and told it would cost $1000.00 to fix the solinoid issue.

Why does my Jeep Compass hesitate to accelerate?

An engine that is hesitating to accelerate is most likely dealing with a fuel/air mixture that is too lean. Engine’s that are running inefficiently will begin to show signs like hesitation which will only become worse over time. If you notice some symptoms like hesitation, you should have your vehicle inspected immediately.

What causes car engine to hesitate when accelerating?

The exhaust gas recirculation valve, or EGR valve, may be damaged and causing a leak. This is known to cause engine hesitation problems, so it should be addressed. If you are using bad fuel which is has been sitting in your tank for too long or is too low of an octane for your engine, it can cause many different problems.

Why does my Impala not go when I press the pedal?

If your Impala seems sluggish or does not want to go when you press the pedal, your best bet for diagnosing the precise problem is to take it to a mechanic. If the oxygen sensor or mass airflow sensor on your vehicle goes out or malfunctions, it will affect the fuel-to-air mixture in your engine.

What causes a car to hesitate when accelerating?

A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. Throttle position sensor: A throttle position sensor tells the vehicle’s computer how far the throttle is open and how hard the accelerator is being pressed.

Why does my Buick Enclave hesitate when accelerating?

Fuel injectors may become dirty over time and not be able to provide as much fuel to the cylinder as is needed. Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating.

Are there any recalls on the 2009 Chevy Impala?

2009 Chevrolet Impala Recalls. There are currently 6 recalls for your vehicle. NHTSA Vehicle Safety Recalls. General Motors (GM) is recalling certain model year 2008-2012 Chevrolet Impala police vehicles because the front lower control arms may fracture.

Why do I have a trouble code on my throttle?

Most often the cause of this code is either the TPS (Throttle Position Sensor) which is an integral part of the throttle body or the TPPS (Throttle Pedal Position Sensor) which is part of the throttle pedal assembly at your feet.

What happens if the throttle valve is not moving?

A common mistake made is the failure to check if the throttle valve is actually moving. Internal components in the throttle body can break. If this occurs, it is possible the TPS will indicate the throttle valve is moving, but the valve won’t actually be moving. Electrical connector issues are common on all vehicles and all systems.

How long does the average Chevy Impala last?

In those years, it has gained popularity among the American populace for offering good value for money. If you want a cheap sedan that lasts long, the Chevy Impala is one of your best bet. Treated well, the average Chevrolet Impala can last 150,000 miles easily.

Which is the worst year of the Chevy Impala?

To find the worst model year for the Chevrolet Impala, we dug through various records, especially owner complaints. After our research, the 2005 Chevrolet Impala emerged the sole contender for the worst model year. Saying the 2005 Chevy Impalas had “some issues” would be sugarcoating it; these models were downright problematic.

When did the Chevy Impala come out in the US?

Released in 1958, the Chevrolet Impala is one of the longest-running models in the United States. A go-to choice for families, the Chevy Impala boasts a luxurious cabin, smooth handling and an expansive cargo hold. Let’s find out how long the vehicle can last in this article. How Many Miles Can You Expect from A Chevrolet Impala?

What is the look of a 2014 Chevy Impala?

While it’s similar to the 2014 Chevrolet Traverse’s grille, its vertical orientation and width gives the Impala a Camaro-esque appearance. The look is subtly aggressive with a hint of menace, and when paired with the optional LED daytime running headlights, the car really stands out. The visual interest continues beyond the front.

What are the safety features of a Chevrolet Impala?

The Impala offers a number of electronic safety features designed to enhance the driver’s sense of what’s happening around the car, including a blind spot warning system and a backup camera, but there’s something about an airy cabin with unobstructed views that technology can’t replace. The V6 sedan accelerates swiftly up to cruising speeds.

Is the Chevy Impala a full size car?

Despite its position atop Chevrolet’s sedan lineup, the full-size Impala hasn’t been much of a flagship for the brand in recent years. Instead, the aging car has become synonymous with rental cars — or precisely the opposite of what a flagship is supposed to conjure.

What is the EGR code for an Impala 3?

Related EGR codes: P0400, P0401, P0402, P0403, P0405, P0406, P0407, P0408, P0409 Hello, 2002 impala 3 4l v6, I just replaced the egr valve as I was getting check engine code p0404.

What’s the average price of a Chevy Impala?

Chevrolet Impala Engine hesitates during acceleration Inspection costs $85 on average. It can be frustrating for any driver to expect certain acceleration from their vehicle only to find that the vehicle seems to be hesitant while speeding up.

Which is better Chevy Impala EGR or F-body?

The f-body EGR is only better if you’re running an aftermarket exhaust. They tend to last longer and are the same price anyway. So buy it. Go ahead and get the solenoid as well, they’re not that much and it’s good to replace it while you’re back there.

When does my Chevy Impala jolt while driving?

Doesn’t do it all the time. When i accelerate from idle it jerks or jolts and also does that when I’m driving faster than 20mph. Jerk after sitting at caution light or several stop and goes. Car jolts in drive while drivingand when you try to excellerate.

He said the Impala has had problems with the pressure control module. He also said without a check engine light and no symptoms he would not recommend doing anything. Did you get a check engine light?

What are the problems with the Buick 3800 engine?

Common Problems with the 3800 Engine: An intermittent chuggle or hesitation that can be felt during light acceleration or while cruising at highway speeds with no Check Engine light or no fault codes set may be caused by intermittent operation of the automatic transmission torque converter clutch (TCC).

When does vibration start in Chevy Impala transmission?

The vibration starts at 55 and is at its worst at 65. Its really bad if I am going 65 or 70 on the highway and suddenly take my foot off the gas without hitting the brake. You can actually look at the steering wheel and see it vibrating.

What causes an Impala to not drive well?

If your engine overheats, it can cause damage and problems, such as a blown intake manifold gasket. This will make your vehicle overheat and not drive well. You will lose power in your engine and your Impala will not have its usual responsiveness when you press the accelerator.

When to take your Impala to the mechanic?

The newer your vehicle is, the more components it contains that have to work together to provide ideal performance levels. If your Impala seems sluggish or does not want to go when you press the pedal, your best bet for diagnosing the precise problem is to take it to a mechanic.

Can a 2002 Impala 3.8L Rev past 4000 rpm?

2002 Impala 3.8L with 130K. Recently, car has reduced power. I tried running it in Park to above 4000 RPM. The car will rev to that, but then engine starts missing, sputtering, and shaking, making angry chuffing and puffing noises and just hangs out at 4000 RPM.

Why does my Impala not Rev past 4K?

Unless you had it tuned out, the rev limiter won’t let you past 4k in park or neutral anyway, to keep people from blowing up their engines by uselessly revving them. Are you sure its not the limiter? It’s possible that it’s just hitting the rev limiter in Park.

What to do when your car whines when you accelerate?

You could check whether the problem is in the transmission in the following way. Accelerate the car to speeds at which the whining noise is the loudest, switch to neutral gear and kill the engine. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission.

Why does my car hesitate when I go up a hill?

When a mass airflow sensor begins to fail, it will typically generate an error code or “Check Engine light.” This warning may be accompanied by hesitation while accelerating, or while driving up a hill.

Can a bad throttle position sensor cause spontaneous acceleration?

Your engine may start up but it will have little to no power and it causes it to shut off. On the other hand, it can also cause your car to have spontaneous accelerations even if you didn’t step on the gas. Unstable Engine Idle: Faulty position sensors can cause sporadic idle conditions due to fluctuating airflow.

How is the throttle position sensor similar to the human brain?

A throttle position sensor is similar to the motor cortex in the human brain, it controls one of the most important components of the car that keeps your engine running like a throttle body.

How can I Reset my throttle position sensor?

Reprogramming or resetting your sensor can sometimes solve these issues. This step can also be necessary when you install a new sensor. The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.

What does reduced engine power mean on a Chevy Impala?

The reduced power displays on the console, the car slows to a crawl and the Check Engine light comes on. I travel 40+ miles each way to work in Atlanta traffic with speeds around 65-80 (big trucks).

Can a bad throttle position sensor cause stalling?

Similarly, if your engine struggles to idle efficiently, it could also be a result of a damaged throttle position sensor. Stalling, surging, or hesitating while idling all can be caused by this unassuming sensor. The best way to determine if these issues are caused by your throttle position sensor is to go to the source.

How to install a new throttle position sensor?

Install your new sensor by working backward through the removal steps. Start by installing the sensor using the mounting screws. Next, connect your sensor to your vehicle’s electrical system using a convenient electrical connector. You should be able to easily push it together and hear a distinct click. Check to ensure a firm connection.

What is the traction control code on a Chevy Impala?

The P 2138 is accelerator pdal position sensor plsu it also showed in history the c0242 Traction control code. I had my code reader with me and cleared the code as I was out of town 60 miles and then 3 hours later it happened again.

Why does my Chevy Impala have a shudder?

Nothing changed, teh shudder was still there. About a year ago EGR code 32 started showing up intermittently. For some reason, I was sure it was rather electrical problem since the valve was clean as whistle, plunger moved smoothly and the diaphragm was intact.

What’s the 32 code on a Chevy Impala?

See, it took many years before 32 code even was set. Even a valve with shot diaphragm did not set any code. So, if you have shudder, replace that part with known good one. It is a 10 minute work on these engines. I’ll find my three-year old post about shudder and will add this comment there too.

Why does my Chevy Impala jump while driving?

Aamco does free multi-point engine and transmission inspection should you need an official diagnosis.Hope this helps someone. jerking a bit during exceleration and then every time i’m giving it gas. When stopped at a traffic light, the auto often jumps forward. It also jumps while driving when I change speed up or down.

How much does a Chevy Impala Jerks and Bucks?

Car jerks and bucks does not accelerate right away then when it does it shifts hard into gear. The average cost for a Chevrolet Impala General Diagnosis is between $88 -$111. Learn More Car jerks as I begin to accelerate.

The average cost for a Chevrolet Impala General Diagnosis is between $88 -$111. Learn More Car jerks as I begin to accelerate. Sometimes it feels like someone rearended me, it jerks so hard.

What does ALLDATA do for a GM Impala?

Alldata is an aftermarket service informstion provider. The TSBs they have are all just from GM, any GM tech can access the TSB without needing Alldata. This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 06-07-30-023D (Section 07 – Transmission/Transaxle).

How do you remove solenoid valve from impala?

Remove ONLY the Case Cover-to-Case bolts to remove the Case Cover and Valve Body from Transmission Case AS AN ASSEMBLY. To access all Case Cover-to-Case bolts, it is necessary to remove the Pressure Control Solenoid Valve Assembly (322), and 1-2 & 3-4 Shift Solenoid Valve Assemblies (315A, 315B).

What causes a Chevy Impala to stall at a stoplight?

A dirty throttle body can lead to stalling in your Impala. If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem. Here’s a great YouTube video from EricTheCarGuy. on how to clean a throttle body.

What causes a car engine to make a sputtering noise?

The car has a set of vacuum hoses that, with time, develop leaks. This will cause the engine to produce a sputtering sound when the air-fuel mixture gets too rich or too lean. 4. Dirty mass airflow sensor The combustion chamber requires the right amount of fuel and air.

Why does my car make a humming noise when I accelerate?

If your car makes a rattling noise when accelerating, it could be your engine is worn out with low oil pressure or piston slap. If your car makes a humming noise when accelerating, it could be an issue with a failing wheel hub or a drivetrain concern.

Why does my Chevy Impala not go into drive?

Its also possible (impalas and other cars with a 4t65e transmission have this issue) the pin that closes the band is broken. They were manufactured to short which means it must move to far to close thr band. This is what i know, any other info or suggestions are appreciated. 12 people found this helpful.

What to do if your Chevy Impala power window is not going up?

Set aside 5 minutes of your day – it’s 2 torx screws, you pop the clips to take the switch out, disconnect the electrical connectors, and put the new one in. If you’re not handy, a trip to the dealer might be in order.

What to do if your Chevy Silverado won’t start?

No one has added a helpful site for this 2000 Silverado problem yet. Be the first! Read reviews of repair shops in your area. Enter your zip code: NewRockies.com: How to fully bypass VATS, PassKEY and PassLock systems in GM cars.

Where is the idle control valve on a Chevy Vortec?

The idle control valve sits on the throttle body and is responsible for adjusting the amount of air that enters the engine at idle, ultimately controlling engine idle speeds. At idle, the valve blocks a small amount of air from entering the engine, keeping idle RPM’s low.

What causes a car to idle rough at idle?

A clogged fuel filter stops the engine from receiving the right amount of fuel causing the engine to be rough idle. Fuel filters are often pretty cheap, and you can easily get the fuel filter removed and replaced from a nearby mechanic or do it yourself if you have some knowledge. 6. Dirty Air Filter

What happens to the engine when left in idling position?

When the engine is left in idling position, it maintains a steady but low rate of revolution approximately 1,000 RPM. The RPM needle stays constant, and this indicates that the vehicle’s engine is receiving the correct amount of air and fuel.

Why is the exhaust gas recirculation valve on at idle?

The Exhaust Gas Recirculation Valve is a vital emission control device. It allows the exhaust gas to enter into the intake manifold, with the sole purpose of reducing emissions from the motor. However, this EGR valve isn’t supposed to operate during idle, at wide open throttle or before the engine is warmed up.

Why does my Chevy Impala have a shutter Hiccup?

A Technician told me that it was the EGR valve because the spring inside becomes weak causing poor performance, Manufacture flaw. He told me that when the LT1s were started being used in the F-Bodies they use to get Firebirds coming in with around 10,000 to 15,000 miles with hesitations and needing a new EGR valve. These are the f-body part #’s.

When does Chevy Impala engine hesitate during acceleration?