Possible causes – Fuel Tank Pressure Sensor– Fuel Tank Pressure sensor harness is open or shorted– Fuel Tank Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An improper voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM). Symptoms – Engine…
Tag: ISUZU
P0191 ISUZU Fuel Rail Pressure Sensor Performance
Possible causes – High fuel pressure– Low fuel pressure– Damaged FRP sensor– Excessive resistance in the circuit– Low or no fuel– Wiring harness connector of the fuel pressure sensor– Fuel Rail Pressure Sensor– Vacuum leaks– Fuel Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine will not start P0191 ISUZU OBD Code…
P1631 ISUZU Immobilizer Wrong Signal
Possible causes – Immobilizer control unit failure-ECM failure– Poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0299 ISUZU Turbocharger Engine Underboost
Possible causes – Induction air leakage– Sticking turbocharger nozzle control solenoid– Low fuel pressure condition– Faulty boost pressure sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0171 ISUZU Fuel Trim System Lean Bank 1
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
P0717 ISUZU Speed Sensor Circuit Fault
Possible causes – Faulty Transmission Speed Sensor– Transmission Speed Sensor harness is open or shorted– Transmission Speed Sensor circuit poor electrical connection When is the obd code mean? Diagnostic Trouble Code (DTC) P0717 is detected when TCM or ECM receives no signal from the sensor. Symptoms – Engine Light ON (or Service Engine Soon Warning…
P0045 ISUZU Turbocharger Boost Control Solenoid Control Circuit
Possible causes – Faulty turbocharger nozzle control actuator– Turbocharger boost control solenoid control harness is open or shorted– Turbocharger boost control solenoid control circuit poor electrical connection– Charging system malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) ISUZU Related P0045 code 2007 ISUZU N-SERIES 061120 Engine And Engine Cooling:engine:gasoline:turbo-charger 2008 ISUZU…
P0411 ISUZU Secondary Air Injection System Incorrect Flow Detected
Possible causes – Faulty Vacuum hoses damaged– Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection– Air bypass solenoid leaking/blocked or stuck open/closed– Air diverter valve leaking/blocked or stuck open/closed When is the obd code mean? The secondary air injection system does not detect the…
P0123 ISUZU Throttle Position Sensor 1 High Voltage
Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection When is the obd code mean? An excessively high voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon Warning…
P1121 ISUZU Throttle Position Sensor Circuit Lower Than Expected
Possible causes – Faulty Throttle Position Sensor– Throttle Position Sensor harness is open or shorted– Throttle Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)