help!! check engine light. cant clear codes

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robert.miller
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help!! check engine light. cant clear codes

Post 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?
oldscoobyturbo
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Re: help!! check engine light. cant clear codes

Post by oldscoobyturbo »

bad ecu? both of those circuits are directly wired to the ecu.
I would swap in a known working ecu
Silver 99 Legacy GT Wagon
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Legacy777
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Re: help!! check engine light. cant clear codes

Post 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?
Josh

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