Engine Ignition
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The electronic ignition (EI) system consists of the following:
- Crankshaft position sensor
- Ignition coil
- Spark plug wires
- Spark plugs
The crankshaft position sensor:
- Is a variable reluctance sensor.
- Is mounted on the engine front cover.
- Is triggered by a 36-minus-1 tooth trigger wheel located on the crankshaft pulley and damper.
- Provides base timing and crankshaft speed (RPM) to the powertrain control module (PCM).
For additional information, refer to ELECTRONIC ENGINE CONTROLS .
The ignition coil:
- Is controlled by the PCM.
- Fires 2 spark plugs simultaneously.
- Is mounted on the RH valve cover.
The spark plug wires:
- Carry high voltage pulses from the ignition coil to the spark plugs.
The spark plugs:
- Ignite the fuel and air mixture.
- Are platinum enhanced for long life.