P0116 ISUZU Engine Coolant Temperature Sensor Performance

Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection When is the obd code mean? Coolant temperature signal sent to the ngine Control Module (ECM) is not within…

P0118 ISUZU Engine Coolant Temperature Sensor 1 Circuit High Voltage

Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the obd code mean? An excessively high voltage from the sensor is sent to ECM. Symptoms –…

P0126 ISUZU Insufficient Coolant Temperature for Stable Operation

Possible causes – Low engine coolant level– Leaking or stuck open thermostat– Faulty Engine Coolant Temperature (ECT) sensor– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the obd code mean? The voltage sent to Engine Control Module (ECM) from the sensor is…

P1259 ISUZU VTEC System Malfunction

Possible causes – Low engine oil pressure or level– Open or short circuit condition– Faulty VTEC oil pressure switch– Faulty VTEC solenoid When is the obd code mean? The P1259 is set when there is a problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit Symptoms – Engine Light ON (or…

P0193 ISUZU Fuel Rail Pressure Sensor Circuit High Voltage

Possible causes – Low or no fuel– Faulty Fuel Rail Pressure Sensor– Fuel Rail Pressure Sensor harness is open or shorted– Fuel Rail Pressure Sensor circuit poor electrical connection– Faulty Fuel Pump Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine will not start P0193 ISUZU OBD Code Description The Fuel Rail…

P2440 ISUZU Secondary Air Injection System Switching Valve Stuck Open

Possible causes – Faulty Vacuum Switching Valve (VSV)– Vacuum Switching Valve (VSV) harness is open or shorted– Vacuum Switching Valve (VSV) circuit poor electrical connection– Faulty Pressure Sensor– Faulty Air Switching Valve When is the obd code mean? If the Engine Control Module (ECM) receives the pulsation signal from the sensor despite the ECM ordering…

P0608 ISUZU Vehicle Speed Output Circuit

Possible causes – Faulty Vehicle Speed Sensor– Vehicle Speed Sensor harness is open or shorted– Vehicle Speed Sensor circuit poor electrical connection When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status changes causing the P0608 to set. Symptoms – Engine Light…

P0500 ISUZU Vehicle Speed Sensor Circuit

Possible causes – Faulty Vehicle Speed Sensor– Vehicle speed sensor harness or connectors is open or shorted– Vehicle speed sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? The almost 0 km/h (0 MPH) signal from vehicle speed sensor is sent to ECM even when vehicle is being…

P1093 ISUZU Fuel Rail Pressure Too Low

Possible causes – Fuel system leakage– Faulty fuel injector– Faulty Fuel Rail Pressure (FRP) sensor– Fualty Fuel Pump Symptoms – Engine Light ON (or Service Engine Soon Warning Light) ISUZU Related P1093 code 2004 ISUZU HTR Engine And Engine Cooling:engine:diesel 2004 ISUZU HVR Engine And Engine Cooling:engine:diesel 2004 ISUZU HXR Engine And Engine Cooling:engine:diesel 2005…

P0454 ISUZU Fuel Tank Pressure Sensor Circuit Intermittent

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? A intermittent voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM). Symptoms – Engine…