Question about 1992 Cadillac DeVille
Problem has been getting worse over about a month to where it is dangerous. Got E12 and E412 codes so replaced the distributor with little improvement. Acts like a fuel delivery problem or bad TPS but no trouble code to indecate such. Your expert diagnosis and suggestions would be most appreciated.
Had the same problem on a 1993 sedan deville, replaced $700 in parts finally found engine was not grounded replaced negative battery cable, try jumper cable from negative side of battery to engine.
Posted on Feb 24, 2009
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Posted on Jan 02, 2017
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