Skip the auto shop - Our mechanics make house calls

Q: Rough idling

asked by on

The car idles rough.

A: Hello. This could be caused by a variety of...

Hello. This could be caused by a variety of things. It could be that your spark plugs or coil packs are misfiring. This means that the coil pack is not sending the proper electricity to the spark plug. It could also mean that the spark plug is not using the electricity from the coil pack properly. Another possibility is that you may have a vacuum leak. A vacuum leak happens when air leaks from something that air shouldn’t be leaking from. This would cause the truck to run rough. You could also have a problem with the mass air flow sensor or cam sensors. These are sensors controlled by your car’s computer, and if the computer reads that these sensors are not working, the Engine Light will come on and the truck could run rough. I would recommend a diagnosis of the truck by a certified technician, like one from YourMechanic. They will be able to determine what is causing your engine to run rough and make the necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
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

Get a quote

What others are asking

Q: Car jumping and vibrating heavily

These symptoms could have numerous causes. The first step is to retrieve the diagnostic trouble code (DTC) associated with the Check Engine Light. This code provides a starting point for the diagnostic procedure. There is a technical service bulletin (TSB)...

Q: Rough idle, thermostat code

I'm guessing the codes is P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). The code and the symptoms you are experiencing may or may not be related. The powertrain control module (PCM) determines operating temperature via the signal from...

Q: Where is the starter located on a 2006 lr3 4.0 liter?

Hi there. The starter is located on the back of the engine on the driver side attached just in front of the transmission bell housing. You may have to remove the exhaust manifold to get to the starter. If you...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...