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DSMlink throwing code for random misfire( Cyl. 2), trace problem down to electrical..

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2GEEZEY

10+ Year Contributor
777
1
Aug 6, 2009
Elgin, Illinois
Okay so i just installed DSMlink v3 lite, and starting to get this thing tuned, aswell as pass emissions.

Got all the base settings dialed in and so forth, started to drive the car and tune it, when we ran into a mis fire once the car reaches about 4k- 4500k and 5-6 psi, it studders and misfires.

Put a noid light on the cylinder 2 injector and it flicks like it should, although there are times with it stops and thats when it misfires. So this is a electrical problem in the harness...now before i rip apart the harness is there anything else i can check or try to fix this problem?

can a dsm guru please chime in? i need to fix this so i can tune the car
 
RESOLVED
mod close this thread problem has been resolved


I did a bunch of tests on the injectors to make sure they were peforming properlly in WOT, Idle, as well as cruise. Turns out it was my coil pack.
 
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