Questions & Answers for: check engine light 2002 chevy

...check engine light" does not come on when the key is in "ACC" position. ABS light comes on only. Fuel gauge has been acting up also. Just put in 15 gallons of fuel, so I know I have fuel. Will not ...

...engine won't crank. on the insturement pannel the picture of the lock and the yellow picture next to it are both light up. we arked across the battery and it started. drove home, shut it off. wont ...

...check engine light on my 2002 chevy avalanche and the code reads P0327 please help That code is for your knock sensor which is located under your intake manifold. There are two under the intake. I ...

...year including both cats. Check engine light goes on then clears then goes back on..Any suggestions? driving me crazy. sounds like a sensor is loose maybe not have good contacts? Junks I know mine ...

...check engine light comes on only when its cold & runs rough at idle. When warmer weather light goes off & runs fine. Have replaced mass air flow sensor. Mine did the same thing...at 42F ...

2002 Chevy avalanche idles at or below 500rpm runs lean and spark plugs driver side are black I changed wires an plugs but still on driver side all plugs are black an I changed the fuel regulator too?

...check engine light starts blinking when accelerating the engine is slugish and check engine starts flashing THE BLINKING MEANS THERE IS A MULTIPLE CYLINDER MISFIRE CAUSING CONVERTER DAMAGE. NOT SURE ...

...check engine light ,light when the key is turned to the run position ? Do you have a professional type scan tool ? Do diagnostic's ,not guessing an just replacing part's . 056 Engine Hard to Start or ...

...check the transmission oil level. (Engine running in the park or neutral. ) 2- Retrieve transmission trouble code with a scanner. 3- Depends on what code you have 4- Find out if your problem is ...

...check engine light is now on. Any idea what this could be Does the vehicle start an run ? Check engine light on , codes are stored , hook up scan tool an check codes . GM had issues with instrument ...