Question about 1992 Buick Century

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1992 Buick Century won't start sometimes but has spark in the plugs.

1992 Buick Century won't start on occasion. There is spark in the plugs. Replaced computer, emission control module and coile pack. It might run for a couple of days and then not start. A couple of days later, start again.

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Faulty cam sensor maybe - it controls the injectors. To diagnose, when you get a non-start, spray a V.small squirt of easy-start(ether) and if it runs a little then you have a fuel issue. The spark timing is controlled by the crankshaft sensor so that can be faulty and cause a mistimed spark but usually you'll get a mis-fire in those cases.

Posted on Jan 06, 2009

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