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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 (EL)
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:
Idle Speed High
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0506, P0507, or P050A for the 2.8L, 3.0L, 3.2L, or 3.6L engine
Circuit / System Description
The throttle actuator control (TAC) motor is a DC motor that is part of the throttle body assembly. The TAC motor drives the throttle valve. The engine control module (ECM) controls the TAC motor based on throttle position sensor input. The idle speed is controlled by the ECM based on various inputs. The ECM commands the TAC motor to open or close the throttle valve in order to maintain the desired idle speed. If the ECM detects the actual idle speed is not within a predetermined range of the desired idle speed, this DTC sets.
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