Bogging, hesitation or stalling may be experienced during moderate to heavy acceleration. This can be caused by a failing of many sensors or modules in the fuel injection system. It is recommended to have an experienced shop perform diagnosis to find the root of the problem.
The Ford Ranger V6 is known for a rough idle, engine stalling, loss of power, and misfires, accompanied by the check engine light .
The intake manifold O-ring gaskets commonly leak, which creates a large vacuum leak. This vacuum leak causes unmetered air to enter the engine, and the fuel system becomes insufficient to compensate for the large amount of air reaching the engine.
Replacing the intake manifold gaskets corrects this concern.
Many customers state that whule driving their vehicle, the engine will hesitate, stumble, or lose power. In more severe cases, the EGR valve can be physically damaged. In all cases, the check engine light will be illuminated, and diagnostic trouble codes will be stored in the PCM.
Diagnosis of the issue has concluded the differential pressure feedback EGR sensor (DPFE) is at fault many times, and incorrectly measures exhaust gas re-circulation (EGR) pressure.
Correction of the issue requires a diagnostic scan, identification of the faulty sensor, and, ultimately, the sensor and EGR valve may require replacement. In some models, the DPFE sensor is integrated into the EGR valve, and must be replaced together.
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