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

Possible causes – Faulty Vacuum Solenoid– Vacuum Solenoid harness is open or short– Vacuum Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Cruise control system inoperative

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 code detected? The almost 0 km/h (0 MPH)

Possible causes – Fuel Injector harness is open or shorted– Fuel injector circuit poor electrical connection– Faulty fuel injector– Faulty Engine Control Module (ECM) When is the code detected? The P0200 is set if the Engine Control Module (ECM) is

Possible causes – Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid electrical circuit poor connection– Faulty Fuel Quantity Solenoid When is the code detected? The Engine Control Module (ECM) has determined that the actual fuel pressure is

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 code detected? An improper voltage signal from the

Possible causes – Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen

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 notes

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 notes

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 notes

Possible causes – Intermittent gear ratio problems– Internal transmission problems When is the code detected? The P0792 code is detected if there is an excessive change in the output rpm in any gear. Symptoms – Engine Light ON (or Service

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 notes

Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech notes Start by recharging or replacing the battery. When is the code detected? System voltage falls below

Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech notes Start by recharging or replacing the battery. When is the code detected? The electrical system voltage

Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech notes Start by recharging or replacing the battery. When is the code detected? The P0560 code is

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 code

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 code

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 code

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 code

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