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E21, E30General discussion and technical help for 1975-1991 3 series cars.
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Your Ride: 88 325ic
88 325iC check engine light & 1251 fault
Looking for suggestions on troubleshooting 1251 fault code. Check engine light stays on with car running and a stomp test shows 1251. I have checked injector resistance - all at 14.3 ohms and replaced the 7 pin connector under throttlebody. This fault was random until I replaced intake gaskets and is now constant. Any help? Thx!