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Home >> Saturn >> 2005 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Description and Operation >> Electronic Ignition (EI) System Description >> Modes of Operation
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Modes of Operation

There is only one mode of operation that is the ECM always controls spark. If the CKP pulses are lost the engine will not run. The loss of the CMP signal may result in a longer crank time since the ECM can not determine which stroke the pistons are on.

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