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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 127 (ENGINE IGNITION SYSTEM - 2.3L)DESCRIPTION AND OPERATIONENGINE IGNITION
2009 Ford Ranger 2D Pickup, 2.3 D, Automatic
Engine Ignition
2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION Engine Ignition
WARNING: This page is about a different car, the 2008 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
The electronic ignition (EI) system for the 2.3L engine consists of 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 article 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.