What is needed to repair when the "Service engine light comes on and stays on?
on 1995 Chevrolet Suburban 2500

I have replaced the plugs, wires, cap, rotor, and air filter. The Service Engine light is still on. The engine is running rough and the smell of fuel is present.

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1 answer
The best is to retrieve the diagnostic trouble codes (DTC) stored in the engine control module. That smell is a strong indicative of a fuel leak and it could be dangerous, take the vehicle to a shop as soon as possible.

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