Question about 1994 Chevrolet C2500

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I have the Chevy 2500 5.7 litre, and its running really rough at startup, then it evens out and the check engine light comes on. I have replaced the fuel filter air filter sparkplugs and wires fuel injectors and had the timing done, any ideas on what it could be??

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How about the deposits on the old plugs? did they all look the same or were any a light tan color?? if so suspect an intake or head problem, if not do a comoression check and have a real time scanner check done for sensor and actuator analysis

Posted on Aug 26, 2010

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