flashing check engine light

Asked by Brenda Mar 06, 2016 at 11:01 PM about the 1999 Chevrolet Blazer LS 2-Door 4WD

Question type: General

my 1999 Chevy Blazer check engine light
flashing changed spark wires plugs o2
sensors and is still flashing went to
Autozone they say its number 2 cylinder not
firing.I checked for spark on number 2 and it
has spark

1 Answer
4,960

Mikbek answered 8 years ago

Are u sure its #2 or checking? How did u find out firing order? Make sure it is in fact 2. Also did u just check wire or actual plug. If u just checked wiring, wat about plug fouling or needing replacement? If notsSir jus put in new one. How long since u replaced all of them? Could one them use wat they call foulers?

Mark helpful

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