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Diagnostic Trouble Code: 173
Diagnostic Trouble Code Name: Fuel System too rich Heated Exhaust Gas Oxygen Sensor HO2S(1)
Vehicle Make: Ford
Vehicle Model: Falcon (EF)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Intake Air Flow Valve Control Performance
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P02E1
Circuit / System Description
A throttle plate actuator is used to achieve high exhaust gas recirculation rates. It increases the pressure difference between exhaust and intake so that the appropriate exhaust quantity can be mixed with the intake air. The ECM transmits the desired angle as a PWM signal to the throttle plate actuator. The throttle plate actuator operates the DC motor to control the throttle plate based on the PWM signal from the ECM. The throttle plate position is monitored by an internal position sensor.
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