CHECK ENGINE LIGHT

1989 GMC

Tiny

iceman20-4-7

November, 3, 2008 AT 4:50 PM

Engine Performance problem
1989 Other GMC Models V8 Two Wheel Drive Automatic 89000. Miles

i put a new fuel filter, knock sensor, fuel pump, egr valve, pcv valve, coil, module, tune up, every time I get down on the gas to pass the check engine light comes on thats the only time it comes on the code came back saying it was the knock sensor. What do you thing it could be that cause the light to come on? 1989 gmc suburban

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