Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2009RANGER 2D PICKUP, 2.3 D, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE IGNITION SYSTEM - 2.3LDESCRIPTION AND OPERATIONENGINE IGNITIONNOTES
2009 Ford Ranger 2D Pickup, 2.3 D, Automatic
Engine Ignition: Notes
2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION Notes
The Electronic Ignition (EI) system for the 2.3L engine contains the:
- ignition coil.
- spark plugs.
- spark plug wires.
- Crankshaft Position (CKP) sensor.
The CKP 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 ignition timing and crankshaft speed (RPM) to the PCM.
Refer to ELECTRONIC ENGINE CONTROLS for removal and installation of the CKP sensor.
The ignition coil:
- is controlled by the PCM.
- fires 2 spark plugs simultaneously.
The spark plug:
- ignites the fuel and air mixture.
The spark plug wire:
- carries high voltage pulses from the ignition coil to the spark plugs.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.