Skip the auto shop - Our mechanics make house calls

Q: Performance not the same anymore

asked by on

Engine light started blinking. Car stated shaking and engine light goes off in about 5 minutes. 6 spark plugs and 1 ignition coil changed. The car is still not performing as it used to.

My car has 91000 miles.
My car has an automatic transmission.

A: Hi, thanks for writing in. This may be rela...

Hi, thanks for writing in. This may be related to many things. I would start with having the engine codes downloaded (these register when the check engine light coms on). If you would like help, consider having an expert automotive technician from YourMechanic come to your home or office to inspect and scan your check engine light for you, and make or suggest any repairs as needed.

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: After recent repair van is giving me problems.

Hi there. From the description you have provided, it would appear once again, you need to return to the repair facility. My thought is, something related to the evaporative emissions system (ie; purge control solenoid) may be disconnected. This would...

Q: Whining noise and dripping fluid under the drivers side

If the whining noise happens in park or neutral, I would check your power steering fluid. The power steering pump makes a whining noise when it is low on fluid. You will need to find the source of the leak...

Q: What can possibly be the problem and how much am I looking at?

It's always best to use OEM parts, in this case an AC Delco or GM fuel pump. Aftermarket parts introduce uncertainties, and often outright problems, in terms of fit and service life. If the fuel pump is getting full battery...

Related articles

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...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
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.