Q: Car sputtering at 55 MPH while accelerating.

asked by on December 28, 2015

While accelerating, at about 55 mph the car sputters. If I take my foot off of the accelerator, the sputtering goes away.

Engine is misfiring Inspection $94.99 - $114.99 Get a Quote

I believe what you are experiencing is a misfire condition. Basically this is when one or more cylinders in your engine stop producing power due to a lack of fuel spark, or oxygen that is necessary for combustion. Generally your concern is related to the ignition system, or spark, of your engine. If you ask for help from a qualified technician he will be able to inspect your engine’s misfire so you can get your car back on the road again.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

How do I use cruise control?
Cruise control allows you to set your car at a specific speed and then have the computer maintain it. You can take your foot off the pedal and ease your tired muscles. You can also adjust the speed up or...
ABS light and brake lights are on all the time
This indicates there is a problem in the Anti-Lock Braking System (ABS). In this system, the VSA modulator control unit monitors wheel speed via sensors. If from the sensor signals the module determines wheel lockup is about to take place,...
Car ran hot pull over turned it off and it won't start please help
If you ran your car hot then you may have blown a head gasket and lost compression in some of the cylinders of the engine. You will need to have a compression test done to pinpoint the issue. A cooling...
Car keeps stalling when I press on the brakes
Your car has a unit in the fuel injection system called an idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine. This valve...
Why is my transaxle light flashing on and off?
In general, if your dash warning lights (https://www.yourmechanic.com/article/what-does-it-mean-when-the-dashboard-warning-lights-blink) flash briefly right after cranking your engine and then turn off, this is normal. Each system is performing a self-check. The lights turn off after verifying that the systems are operating. If...
Why does my car takes about 10 minutes to warn up everytime it sets for a couple of hours
The thermostat may be stuck partly open if it takes longer to warm up than it used to as long and the outside air temperature is not below freezing. If outside air is very cold than the engine would cool...
White smoke from engine bay
Hi Paul. Any smoke coming from the engine bay area is not a good sign. However, the positive is that you seem to have noticed it before it becomes a potential breakdown. White smoke is generally categorized as coolant being...
So it hasn't been 3 months/3000 kilometer since I changed oil in my car and it is asking me to change it soon. Do I keep driving or change oil?
Unless you are using full synthetic engine oil with high mileage ratings, I recommend replacing the engine oil. Standard engine oil will burn up all of the additives (cleaning agents) between 2,500 to 3,000 miles or 120 hour of use....
Hello my 2012 Buick lacrose service battery charging system light is coming on
If an engine fault causes enough loss in RPM at idle, the charging system warning light could come on. Another possibility is the charging system and/or battery are faulty and thus there is inadequate power to run the ignition system,...

Related articles

2012 Ford Escape vs. 2012 Honda CR-V: Which One Should I Buy?
SUVs represent one out of every three vehicles sold in 2012, making them one of the most-purchased types of vehicles in the country during that time period. Compact SUVs are a sub-class that are slightly smaller and offer the most...
How to Replace a Car Throttle Cable
Throttle cables link the accelerator pedal to the throttle plate. This cable opens the throttle and lets air into the engine for acceleration.
The 5 Safest Used Cars You Can Buy For Under $20,000
The Subaru Legacy, Honda Accord, Ford Fusion, Chevy Volt, and the Volvo XC60 are five of the overall safest used cars you can buy for under $20,000.