Possible causes – Faulty spark plug 2– Clogged or faulty fuel injector 2– Faulty ignition coil 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection– Ignition coil 2 harness is open or shorted– Ignition coil 2 circuit poor electrical connection– Insufficient cylinder 2 compression– Incorrect fuel pressure– Intake…
Tag: JEEP
P0138 JEEP O2 sensor 1/2 Circuit high
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes…
P2271 JEEP O2 Sensor 1/2 Signal Biased Rich
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors When is the obd code mean? The Powertrain Control Module (PCM) detects…
P0161 JEEP O2 Sensor 2/2 Heater Performance
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure – Faulty fuel injectors– Intake air leaks– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank 2 usually…
P0158 JEEP O2 Sensor 2/2 Circuit High
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure – Faulty fuel injectors– Intake air leaks– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank 2 usually…
P0159 JEEP O2 Sensor 2/2 Slow Response
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 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 2 usually takes…
P0157 JEEP O2 Sensor 2/2 Circuit Low
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…
P0812 JEEP Reverse Input Circuit
Possible causes – Faulty Reverse Input Switch– Reverse Input Switch harness is open or shorted– Reverse Input Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0813 JEEP Reverse Output Circuit
Possible causes – Faulty Reverse Input Switch– Reverse Input Switch harness is open or shorted– Reverse Input Switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1004 JEEP Short Runner Valve Control Performance
Possible causes – Faulty short runner valve assembly– Short runner valve harness is open or shorted– Short runner valve circuit poor electrical connection– Faulty Powertrain Control Module (PCM) When is the obd code mean? The P1004 code is detected when the value is determined to be out of the calibrated range in either the de-energized,…