Skip the auto shop - Our mechanics make house calls

Q: Engine running rough

asked by on

My engine is running rough and won't idle.

The vehicle requires a diagnostic to examine multiple things. Fuel quality, fuel pressure, vacuum leaks, basic ignition and timing tests would be a good start. A qualified technician, such as one from YourMechanic can assist you in diagnosis and repair.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: Sunroof switch malfunctions

The switch may be intermittent, but the sunroof motor is more likely the issue; the motor may have a dead spot that causes it to not work in a particular spot in its rotation, but work in any other position....

Q: How do I replace a remote keyless entry (RKE) transmitter?

If you want a new remote keyless entry (RKE) transmitter, you will need to purchase one at a dealership. If the new RKE transmitter is replacing a lost transmitter, the entire RKE system will need to be reprogrammed for all...

Q: Torque converter goes in/out of lock up at cruising speed

Thanks for writing in about your 1999 Chevrolet Suburban. There are DTCs (diagnostic trouble codes) that will indicate faults with TCC solenoid and brake pedal switch circuits. A scan tool can be used to observe brake pedal switch position while...

Related articles

What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.