P0463 ISUZU Fuel Level Sensor Circuit High Voltage

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the obd code mean? An excessively high voltage is sent from the sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…

P0464 ISUZU Fuel Level Sensor Circuit Intermittent

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the obd code mean? An intermittent low voltage is sent from the sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…

P0461 ISUZU Fuel Level Sensor Performance

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the obd code mean? The output signal of the fuel level sensor does not change within the specified range even though the vehicle has been driven a long distance. Symptoms –…

P0091 ISUZU Fuel Pressure Regulator Solenoid 1 Control Circit Low Voltage

Possible causes – Faulty fuel pressure regulator– Fuel pressure regulator harness is open or shorted– Fuel pressure regulator electrical circuit poor connection When is the obd code mean? Fuel Pressure Regulator (FRP) feedback current less than 400mA Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0092 ISUZU Fuel Pressure Regulator Solenoid 1 Control Circit High Voltage

Possible causes – Faulty fuel pressure regulator– Fuel pressure regulator harness is open or shorted– Fuel pressure regulator electrical circuit poor connection When is the obd code mean? Fuel Pressure Regulator (FRP) feedback current more than 2700mA Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0089 ISUZU Fuel Rail Pressure Performance

Possible causes – Faulty fuel pressure regulator– Fuel pressure regulator harness is open or shorted– Fuel pressure regulator electrical circuit poor connection– Faulty fuel pressure sensor When is the obd code mean? Fuel rail pressure greater than 1450psi over desired rate Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0089 ISUZU OBD…

P1085 ISUZU High Pressure Fuel Pump Performance

Possible causes – Faulty Fuel Pressure Sensor– Fuel Pressure Sensor harness is open or shorted– Fuel Pressure Sensor circuit poor electrical connection– Fuel system leak– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0452 ISUZU Fuel Tank Pressure Sensor Circuit Low Voltage

Possible causes – Faulty Fuel Tank Pressure Sensor– Fuel Tank Pressure Sensor harness is open or shorted– Fuel Tank Pressure Sensor circuit poor electrical connection When is the obd code mean? A low voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service…

P0453 ISUZU Fuel Tank Pressure Sensor Circuit High Voltage

Possible causes – Faulty 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 high voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM). Symptoms –…

P0381 ISUZU Glow Plug/Heater Indicator Circuit Malfunction

Possible causes – Faulty Glow Plug– Glow Plug harness is open or shorted– Glow Plug circuit poor electrical connection When is the obd code mean? – The glow plugs are commanded OFF and the glow plug feedback is more than 2 volts. or– The glow plugs are commanded on and the glow plug feedback is…