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Diagnostic Trouble Code: B0158
Diagnostic Trouble Code Name: Outside Air Temperature Sensor Circuit
Vehicle Make: Vauxhall
Vehicle Model: VXR8 (VE)
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:
Fuel Pressure Regulator Control Circuit High Voltage
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0090, P0091, or P0092 for the 2.8L, 3.0L, 3.2L, or 3.6L engine (with LLT)
Circuit / System Description
High pressure fuel is regulated by the high pressure fuel pump actuator, which is a part of the high pressure fuel pump. The high pressure fuel pump actuator is a solenoid valve. The ECM provides battery voltage on the actuator high control circuit and ground on the actuator low control circuit. Both circuits are controlled through output drivers within the ECM. When deactivated, both drivers are disabled. When activated, the high control circuit driver energizes the high pressure fuel pump actuator and the low control circuit driver pulse-width modulates (PWM) the low control circuit to ground.
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