1987 Oldsmobile Ciera 6 cyl Front Wheel Drive Automatic
1987 olds cutlass 3.8 litre. Good fuel pressure, no spark.I replaced the crankshaft and camshaft sensor, still no spark.I have a good battery voltage at the crank sensor connector(harness side).I have a good 5 volt reference at the crank sensor, also a good ground. If I take a test light and touch the 12 volt wire( harness side), the coil fires spark. If I touch the 5 volt ref. Wire with the test light the injectors fire.I plug the connector back in to crank sensor, still no spark or injector fire?
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Friday, July 17th, 2009 AT 3:39 PM