P0486 Chevrolet Exhaust Gas Recirculation Sensor B Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0486 Chevrolet Description Exhaust Gas Recirculation (EGR)
Category: Chevrolet
P0487 Chevrolet Exhaust Gas Recirculation Throttle Control Circuit A Open
P0487 Chevrolet Exhaust Gas Recirculation Throttle Control Circuit A Open Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0487 Chevrolet Description Exhaust Gas Recirculation (EGR)
P0488 Chevrolet Exhaust Gas Recirculation Throttle Control Circuit A Range/Performance
P0488 Chevrolet Exhaust Gas Recirculation Throttle Control Circuit A Range/Performance Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0488 Chevrolet Description Exhaust Gas Recirculation (EGR)
P0481 Chevrolet Cooling Fan 2 Control Circuit
P0481 Chevrolet Cooling Fan 2 Control Circuit Possible causes – Faulty fan control relay– Faulty cooling fan 2– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection What about the obd code? The P0481…
P0483 Chevrolet Cooling Fan Rationality Check Malfunction
P0483 Chevrolet Cooling Fan Rationality Check Malfunction Possible causes – Faulty fan control relay– Faulty cooling fan– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection What about the obd code? The P0483 Chevrolet…
P047D Chevrolet Exhaust Pressure (Sensor B) Circuit High
P047D Chevrolet Exhaust Pressure (Sensor B) Circuit High OBD Code: System: Subsystem: P047D Chevrolet – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit High Location: Analysis: Possible Causes: Sensor B End of Range – Circuit Higher Than Expected Tech description:
P047E Chevrolet Exhaust Pressure (Sensor B) Circuit Intermittent / Erratic
P047E Chevrolet Exhaust Pressure (Sensor B) Circuit Intermittent / Erratic OBD Code: System: Subsystem: P047E Chevrolet – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Sensor B Periodically Unstable Circuit Tech description:
P0480 Chevrolet Cooling Fan 1 Control Circuit Malfunction
P0480 Chevrolet Cooling Fan 1 Control Circuit Malfunction Possible causes – Faulty fan control relay– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Faulty cooling fan 1– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection What about the obd code? The…
P0478 Chevrolet Exhaust Pressure Control Valve High
P0478 Chevrolet Exhaust Pressure Control Valve High Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Tech description Check the Exhaust Back Pressure Valve (EBPV) butterfly valve is opening and closing freely and not sticking. If it seems to…
P0479 Chevrolet Exhaust Pressure Control Valve Intermittent
P0479 Chevrolet Exhaust Pressure Control Valve Intermittent Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Tech description Check the Exhaust Back Pressure Valve (EBPV) butterfly valve is opening and closing freely and not sticking. If it seems to…
P047A Chevrolet Exhaust Pressure (Sensor B) Circuit
P047A Chevrolet Exhaust Pressure (Sensor B) Circuit OBD Code: System: Subsystem: P047A Chevrolet – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Location: Analysis: Possible Causes: Sensor B Circuit Issue Tech description:
P047B Chevrolet Exhaust Pressure (Sensor B) Circuit Range / Performance
P047B Chevrolet Exhaust Pressure (Sensor B) Circuit Range / Performance OBD Code: System: Subsystem: P047B Chevrolet – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Range / Performance Location: Analysis: Possible Causes: Sensor B Out of Expected Range Tech description:
P047C Chevrolet Exhaust Pressure (Sensor B) Circuit Low
P047C Chevrolet Exhaust Pressure (Sensor B) Circuit Low OBD Code: System: Subsystem: P047C Chevrolet – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Exhaust Pressure (Sensor B) Circuit Low Location: Analysis: Possible Causes: Sensor B End of Range – Circuit Lower Than Expected Tech description:
P0474 Chevrolet Exhaust Pressure Sensor Intermittent
P0474 Chevrolet Exhaust Pressure Sensor Intermittent Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection Tech description Replacing the exhaust back pressure usually takes care of the problem What about the obd code? An Exhaust Back Pressure (EBP) signal…
P0475 Chevrolet Exhaust Pressure Control Valve Malfunction
P0475 Chevrolet Exhaust Pressure Control Valve Malfunction Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Tech description Check the Exhaust Back Pressure Valve (EBPV) butterfly valve is opening and closing freely and not sticking. If it seems to…
P0476 Chevrolet Exhaust Pressure Control Valve Range/Performance
P0476 Chevrolet Exhaust Pressure Control Valve Range/Performance Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Tech description Check the Exhaust Back Pressure Valve (EBPV) butterfly valve is opening and closing freely and not sticking. If it seems to…
P0477 Chevrolet Exhaust Pressure Control Valve Low
P0477 Chevrolet Exhaust Pressure Control Valve Low Possible causes – Faulty Exhaust Back Pressure Valve– Exhaust Back Pressure Valve harness is open or shorted– Exhaust Back Pressure Valve circuit poor electrical connection Tech description Check the Exhaust Back Pressure Valve (EBPV) butterfly valve is opening and closing freely and not sticking. If it seems to…
P0470 Chevrolet Exhaust Pressure Sensor Malfunction
P0470 Chevrolet Exhaust Pressure Sensor Malfunction Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection Tech description Replacing the exhaust back pressure usually takes care of the problem What about the obd code? An Exhaust Back Pressure (EBP) signal…
P0471 Chevrolet Exhaust Pressure Sensor Range/Performance
P0471 Chevrolet Exhaust Pressure Sensor Range/Performance Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection What about the obd code? An Exhaust Back Pressure (EBP) signal that is detected out of range (high or low) by the Engine Control…
P0472 Chevrolet Exhaust Pressure Sensor Low
P0472 Chevrolet Exhaust Pressure Sensor Low Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection Tech description Replacing the exhaust back pressure usually takes care of the problem What about the obd code? An Exhaust Back Pressure (EBP) signal…