Spark Plugs

Engine Ignition (Description and Operation) The ignition coil (12029), which is mounted on the upper intake manifold, can be described as a coil pack containing three separate coil units. Each coil u ...

Engine Ignition (Description and Operation)

Engine Ignition (Description and Operation) Eight separate ignition coils (12029): are mounted directly above each spark plug (12405). are controlled by the powertrain control module (PCM) for ...

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Noise, Vibration and Harshness (NVH) (Description and Operation)
Noise, Vibration and Harshness (NVH) (Description and Operation) Noise is any undesirable sound, usually unpleasant in nature. Vibration is any motion, shaking or trembling, that can be felt or seen when an object moves back and forth or up and down. Harshne ...

Using the boot
Installing the Boot WARNING: Always secure the retaining clips and boot straps on the vehicle or the boot may come loose while driving. Note: Be sure the boot is secure on the vehicle before driving. Improper installation can result in loss or damage of ...

Crankshaft Position (CKP) Sensor - 3.8L
Electronic Engine Controls (Description and Operation) The electronic engine controls consist of the following: powertrain control module (PCM) throttle position (TP) sensor idle air control (IAC) valve engine coolant temperature (ECT) sensor ...