Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the O2 Sensor 1 usually takes…
Tag: ISUZU
P0172 ISUZU Fuel Trim System Rich Bank 1
Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure – Faulty Mass Air Flow (MAF) sensor When is the obd code mean? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is too large. (The mixture ratio is too rich.)…
P0201 ISUZU Injector 1 Control Circuit
Possible causes – Faulty fuel injector 1– Fuel Injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection When is the obd code mean? The P0201 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 1. Symptoms – Engine…
P0652 ISUZU 5 Volt Reference 2 Circuit Low Voltage
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is lower than expected
P0607 ISUZU Internal Processor Error
Possible causes – Faulty Engine Control Module (ECM)– Engine Control Module (ECM) Harness power supply circuit is open or shorted– Engine Control Module (ECM) Programming Tech description Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM….
P1114 ISUZU Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1114 ISUZU OBD Code Description The Engine Coolant…
P1115 ISUZU ECT Sensor Circuit Intermittent Voltage High
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1115 ISUZU OBD Code Description The Engine Coolant…
P0443 ISUZU Evaporative Emissions Purge Solenoid Control Circuit
Possible causes – Faulty Evaporative Emission (EVAP) Purge Solenoid Control– Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted– Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection When is the obd code mean? An improper voltage signal is sent to Engine Control Module (ECM) through the valve. Symptoms – Engine Light…
P0079 ISUZU Exhaust Valve Control Solenoid Circuit Low
Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid Circuit harness is open or shorted– Exhaust Valve Control Solenoid Circuit circuit poor electrical circuit connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0080 ISUZU Exhaust Valve Control Circuit High Voltage
Possible causes – Faulty Exhaust Valve Control Solenoid– Exhaust Valve Control Solenoid harness is open or shorted– Exhaust Valve Control Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)