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Usually it is a crank/no start, with either no signal to the coils or injectors. Check your fuses/relays first. If you have access to a scan tool would speed things up. Then just do the normal fuel pump are you getting pressure, spark at the plugs, noid light to check injector driver signal. Could be a cam/crank sensor.

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Q: What are the symptoms of a bad pcm on a 1995 Buick Riviera?
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