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JOHN aka Eauto
JOHN aka Eauto, The Car Guy
Category: Chevy
Satisfied Customers: 16039
Experience:  ase tech
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I have 2005 Chevy Aveo. The hold light flashes then the check

Customer Question

I have 2005 Chevy Aveo. The hold light flashes then the check engine light flashes, then after awhile just the check engine light is on steady. It eventually turns off. I had the plugs and wire assembly replaced and fuel cleaner put in. a week later the lights were flashing again. I had it hooked up to a diagnostic scanner. It said Miss fire on #3 cylinder. Any ideas what that means?
Submitted: 8 years ago.
Category: Chevy
Expert:  JOHN aka Eauto replied 8 years ago.
well a missfire could be a number of problem.The most common would be a bad or faulty spark plug or plug wire. It could be deeper it might be a bad injector or a "dead cylinder" which could be caused by a head problem or bad valve or loss of compression.
Customer: replied 8 years ago.
I already replaced the spark plugs and wire assembly. How do you find out if it is a bad injector or a dead cylinder? What do you estimate the cost to be?
Expert:  JOHN aka Eauto replied 8 years ago.
I would start with a compression test
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Customer: replied 8 years ago.
thank you will try that