Skip the auto shop - Our mechanics make house calls

Q: cylinder 1 misfire, check engine light on.

asked by on

Started vehicle , check engine light on, never came off. Had it diagnosed cylinder 1 misfire, what needs to be fixed and the cost of repair.

My car has 17000 miles.
My car has an automatic transmission.

A: Hello - this problem can be due to a failed...

Hello - this problem can be due to a failed spark plug, ignition coil or oil leaking onto the plug/coil from a leaky valve cover gasket. I would recommend having a Engine Is Misfiring Service completed by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose the problem first, and then give you an accurate assessment of damage and cost estimate for 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

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・Save up to 30%

Get a quote

What others are asking

Q: Cylinders 4 and 5 are misfiring - 2007 Mercedes-Benz S55 AMG

Hello. Most of the time if there is a misfire on those two cylinders it is not caused by the computer. Typically it is caused by either failing spark plugs or an internal problem. I usually start by doing a...

Q: Broke down on the highway and had towed to a Buick dealer. They diagnosed and replaced the catalytic converter.

It is possible that the new catalytic converter is bad. Sometimes, when the converter comes apart inside, it can get into the muffler and cause it to be clogged.

Q: When turing the car abs on & car stuck trac light blink why

The trac and abs systems rely on wheel speed sensors to detect the wheel speed at each wheel which is used by the computer to determine whether or not to engage the trac or abs systems when the car may...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
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...
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...