Question about 2003 Chevrolet Impala

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Hi i have a 03 impala it started missing I took it and had the code read. The check engine lite was flashing not just on . It showed #5 cyclinder miss fireing so I changs the plugs and wires.The auto parts gave me ac delco #41-101 plugs. It didnt fix the problem.So I replaced the coils all three. The car does have 120,000 miles on it. Now it feels like I have a wire crossed but when I changed the coils I didnt mark witch wire goes to what coil. Could you tell me which wire goes to which coil ITs a 3400 thanks

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With out a diagram to show you this will be difficult to explain so bear with my explaination. Starting from the passenger side of the car reading to the drivers it is 6,3 2,5 4,1. Now for where the wires go. The spark plugs you can see( front) are 2, 4, 6 reading the same same way passenger to drivers side. The other side 1, 3, 5 reading from passenger side to drivers side. I hope this helps. You probably need a fuel injector to correct the original problem.

Posted on Feb 08, 2010

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