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Re: no spark from coil.....
Your Ignition system consists of two signals that go to the ECM. The ECM controls the spark/coil.
1. The crankshaft position sensor (CPS) is used to to find TDC of number 1 cylinder. If no signal, out of time - no spark. Located on front end of motor by crankshaft. This is the most common reason for no spark.
2. The distributor has six magnets on the rotating shaft and a one magnetic pickup on the housing for sending a signal. Possible causes are bad pickup in the distributor or a broken wire.
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