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#Ford diagnostic trouble codes p0202 driver#
#Ford diagnostic trouble codes p0202 code#

The severity of error P0202 is above average, caution should be exercised.

Black smoke coming out of the tailpipe.Bitching/blanking ignition at idle or under load.Floating revolutions, vehicle engine may be unstable.

#Ford diagnostic trouble codes p0202 code#

Check engine control lamp on the control panel will light up (the code will be recorded in the ECM memory as a malfunction).

The main signal that an error P0202 has occurred is the Malfunction Indicator Lamp (MIL) is also known as the CheckEngine Light. It will remain until the error is corrected or a normal reading is detected. The controller initiates a fault mode that prevents further damage. The fuel injector circuit controls the fuel injectors and determines how much fuel is needed and when to spray it.įault code P0202 is set when the ECM detects that the sensor operation is out of the acceptable range for injector circuit voltage or resistance. The code P0202 means that the engine control module has detected a fault in the fuel injector circuit.

#Ford diagnostic trouble codes p0202 driver#

Conversely, when the fuel injector receives an “on” command, it expects to see a low voltage in the driver circuit. The control module monitors each driver circuit for malfunctions.įor example, when the PCM gives a command to “turn off” a fuel injector, it expects to see high voltage in the driver circuit. The PCM communicates and commands the fuel injectors using an internal switch called a “driver. Although the specific repair steps may vary slightly depending on the model. Error P0202 is considered a generic code because it applies to all makes and models of vehicles. This diagnostic trouble code (DTC) is a generic code. Technical description and explained code P0202

This fault designation applies to all vehicles equipped with OBD-II. Fault code P0202 is called “Injector Circuit Malfunction – Cylinder 2” but in different programs it may be called differently.