jholman

I just swapped in a built motor and am now having a weird idle problem.

when first started in idles fine, maybe a little high but idles and than just dies...like you turned the car off kinda dies...start it back it might try to idle and than either instantly dies or chokes out. Dies at red lights and everything making a real pain to drive...

another possibly related problem is the alternator charges but produces 15= volts and the battery light and brake light are on. if you unhook the alternator plug both lights go out but whether connected or not doesn't really affect the idle at all.

its a built s13 Sr in an S14 with a jwt ecu tuned for 72s and z32 maf. idled and ran great on the motor I pulled out. all accessories were swapped such as throttle body, IACV, and such so they were good unless died during swap like the alternator...lol


think maybe possible wiring was damaged in the swap or any other suggestions... Thanks

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