Skip the auto shop - Our mechanics make house calls

Q: Check engine light is flashing and reduces the power of the engine.

asked by on

Check engine light is flashing and reduces the power of the engine. I have changed the ignition coils, but the problem is still there.

I need help.

My car has 80000 miles.
My car has an automatic transmission.

A: If the light is flashing then the computer ...

If the light is flashing then the computer system should have stored codes as to why the problem is happening. I recommend having the computer scanned by a certified technician, such as one from YourMechanic, to retrieve the codes and have them diagnosed. If there is a misfire code then that cylinder should be checked for problems with fuel, spark, or compression issues by the mechanic testing the vehicle for you.

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: I am advised to change brake pads. Do I also need to get rotors turned?

Hey there. You should have the rotors resurfaced or replaced if cutting them takes the surface below the minimum thickness. If you would like to have the brake pads and rotors repaired for you, a certified technician from YourMechanic can...

Q: Steering wheel squeaking, after a sudden thudding sound

Without inspecting the vehicle firsthand, I can only guess as to what might be wrong with your vehicle. The issue would be in the column, steering gear, or even the power steering system. Regardless, the vehicle doesn't sound like it's...

Q: Car stalls out of nowhere

Hello - what a frustrating problem to solve! You may have provided a key clue to the solution, given that it requires another vehicle to jump start it to get it going again. This MAY mean that the increased starting...

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...