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Electronic Ignition (EI)

WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

The Electronic Ignition (EI) system consists of the PCM, a Crankshaft Position (CKP) sensor and ignition coils. The CKP sensor sends a crankshaft position signal to the PCM. The PCM then sends the appropriate ignition signal to the ignition coils. The PCM also uses this signal as well as Wide Open Throttle (WOT) shift control, TCC control and electronic pressure control.

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