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help!! check engine light. cant clear codes
Posted: Sat Oct 04, 2014 10:08 pm
by robert.miller
just finished 5 speed swap on my 94 tleg and my check engine light is on I ran the codes and im getting 22(knock sensor) and 51(neutral switch) I replaced the knock sensor and redid the wiring and im still in limp mode I have tried a number of thing to clear my codes nothing is working. any ideas on what it could be?
Re: help!! check engine light. cant clear codes
Posted: Sun Oct 05, 2014 8:59 am
by oldscoobyturbo
bad ecu? both of those circuits are directly wired to the ecu.
I would swap in a known working ecu
Re: help!! check engine light. cant clear codes
Posted: Mon Oct 06, 2014 3:32 am
by Legacy777
Are you sure you've verified all the wiring and the neutral switch?
Does the knock sensor code come up in the active diagnostic mode with the green connectors?