Question about 1990 Buick Riviera
Buick 1990 Riv; stalls unpredictably; cold, hot, warm, running or not running may not start; engine turns over; no spark; good crank and cam sensors, and signals; when stalls and no start condition, high speed pusher fan starts, near ICM; and 11 volt signal on the fuel injection control wire from ICM to ECM with ignition on and no start condition when it should be .08 volts and 6 volts running. Only fault code on cars' OBD, b334c loss communication ecm to bcm. Then fan will go off and it will run for a while. Cleaned ecm and bcm connectors and grounds. new ICM What is this problem?
Posted on Aug 14, 2011
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Posted on Jan 02, 2017
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