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5.0PiMpin · 11-20-2001, 05:17 PM

hey guys , i put on an off road h-pipe and since then the check engine light has been appearing on my dash , i have an 89 gt with about 150,000 miles on it. about 2000 miles ago i gave it a complete tune up , cap rotor , wires plugs and timing. i didnt use the best quality parts when i tuned her up. why do you think the engine light is coming on? any help is aprecitated.

11-20-2001, 05:17 PM	#1
5.0PiMpin Registered Member Join Date: Nov 2001 Location: Daly City CA USA baby Posts: 42	Check Engine light? hey guys , i put on an off road h-pipe and since then the check engine light has been appearing on my dash , i have an 89 gt with about 150,000 miles on it. about 2000 miles ago i gave it a complete tune up , cap rotor , wires plugs and timing. i didnt use the best quality parts when i tuned her up. why do you think the engine light is coming on? any help is aprecitated.