Possible causes – VVT solenoid valve disconnected– VVT solenoid valve to ECM PWM drive circuit: – Open circuit, short circuit, high resistance– VVT solenoid failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Tag: JAGUAR
P1111 JAGUAR CAT System Fault
Tech description Usually the P1111 code means that all systems are OK and that the diagnostic cycle is complete. For some Jaguar models models P1111 = OnBoard Systems Tests Completed Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1111 JAGUAR OBD Code Description Computer Assisted Technology (CAT) Suspension System Fault JAGUAR Related…
P0174 JAGUAR System Too Lean Bank 2
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…
P0171 JAGUAR System Too 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…
P0128 JAGUAR Coolant Thermostat Malfunction
Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description If cooling system is not leaking and the fluid level is OK, replacing the thermostat…
P0560 JAGUAR System Voltage Malfunction
Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. When is the obd code mean? The P0560 code is detected when the Engine Control Module (ECM) voltage out of range. Symptoms – Engine…
P0117 JAGUAR Engine Coolant Temperature Circuit Low Input
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? An excessively low voltage from the sensor is sent to ECM. Symptoms –…
P0116 JAGUAR Engine Coolant Temperature Circuit Range/Performance Problem
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 JAGUAR Engine Coolant Temperature Circuit High Input
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 –…
P0125 JAGUAR Insufficient Coolant Temperature for Closed Loop Fuel Control
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 Engine Coolant…