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karaoke_carlos
10-08-2008, 11:29 AM
I ran a cylinder balance test, trying to identifya miss, and got a code 20 (cylinder #2 not firing properly) code.

I have installed new spark plugs, new wires and checked compression. Compression reads 180 on that cylinder (compression in other cylinders ranged from 165 to 180).

Any suggestions?

Bob Ayers
10-08-2008, 11:38 AM
Coilpack, injector, or injector wiring.

You can check the coilpack by swapping the plug wires for cyl. #2, and cyl. #5. If you still get a misfire code on cyl. #2, then the coilpack is ok. If the
misfire code moves to cyl. #5, then the coilpack is the problem.

Giant squid
10-12-2008, 03:39 AM
Compression between the highest and lowest cylinders should not range, Healthy engines give a difference of less then 15lbs