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During the crank-start period the PCM advances ignition timing a set amount. During engine opera- • knock sensor (Turbo III) • engine RPM • available manifold vacuum The PCM also regulates the fuel injection system. Refer to the Fuel Injection sections of Group 14. SPARK PLUG CABLES Spark Plug cables are sometimes referred to as sec- ondary ignition wires. The wires transfer electrical Fig. 1 Camshaft Sprocket—2.2L Turbo III Engine Fig. 2 Camshaft Sprocket—3.3L and 3.8L Engines Fig. 3 Driveplate—2.2L Turbo III Engine Fig. 4 Driveplate—3.3L and 3.8L Engines Fig. 5 Spark Plug Wire Routing—Turbo III Engine Ä IGNITION SYSTEMS 8D - 25 |