Question about 1986 Buick Riviera
You can have the module off its bracket and take it to auto zone and have it tested. If they are bad than I would find a way to retrieve the codes from the computer. You can get a manual from auto zone or orielly that shows you how to retrieve the codes since it is not obd 2. Your problem could be crank sensor, but you need to get the codes. Hope this helps.
Posted on Jun 07, 2010
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Posted on Jan 02, 2017
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