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 300 (FUEL CHARGING SYSTEM & FUEL CONTROL SYSTEM)DESCRIPTION AND OPERATIONFUEL CHARGING AND CONTROLS
2009 Ford Ranger 2D Pickup, 2.3 D, Automatic
Fuel Charging and Controls
2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION Fuel Charging and Controls
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The fuel rail:
- delivers fuel to the fuel injectors.
- receives fuel from the fuel supply tube.
CAUTION:
Do not hold the throttle plate open with any object that could scratch the bore or plate while servicing or cleaning the throttle body (TB). Refer to Throttle Body .
The throttle body (TB):
- controls air supply to the upper intake manifold by positioning the throttle plate.
- is not adjustable.
- must be removed from the vehicle to be cleaned.
The fuel injector:
- is electrically operated by the PCM.
- has an internal solenoid that opens a needle valve to inject fuel into the lower intake manifold.
- atomizes the fuel as the fuel is delivered.
- is deposit resistant.
The fuel rail pressure and temperature sensor:
- measures the pressure and temperature of the fuel in the fuel rail and sends these signals to the PCM.
- uses intake manifold vacuum as a pressure reference. For removal and installation, refer to ELECTRONIC ENGINE CONTROLS article.
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.