Mechanics

CHECK ENGINE SOON LIGHT

1997 Cadillac El Dorado

Engine Performance problem
1997 Cadillac El Dorado V8 Two Wheel Drive Automatic 85,000 miles

the check engine soon light just came on and the engine is running rough.
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Sugardog
June 6, 2008.



Scan your codes off and warmer on the heater controls at the same time, with your key in the on position, write them down and post them here,

first step is to change your plug wires, buy good ones not autozone, plugs is up to you, 100k is there replacement time, if you never have I would

Tiny
Buzzsaw
Jun 9, 2008.