Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector Tech description There is a factory service bulletin for the P0087 Code. The bulletin suggest for replacing the injectors to repair the problem. The…
Tag: GMC
P0202 GMC Injector 2 Control Circuit
Possible causes – Faulty fuel injector 2– Fuel Injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #2, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0203 GMC Injector 3 Control Circuit
Possible causes – Faulty fuel injector 3– Fuel Injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #3, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0204 GMC Injector 4 Control Circuit
Possible causes – Faulty fuel injector 4– Fuel Injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #4, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0205 GMC Injector 5 Control Circuit
Possible causes – Faulty fuel injector 5– Fuel Injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #5, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0206 GMC Injector 6 Control Circuit
Possible causes – Faulty fuel injector 6– Fuel Injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection When is the obd code mean? If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #6, the ignition feed driver signals the Powertrain Control Module (PCM) to set the…
P0175 GMC Fuel Trim System Rich Bank 2
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.) Symptoms…
C0238 GMC Wheel Speed Mismatch
Possible causes – Faulty Front or Rear Speed Sensor– Front or Rear Speed Sensor harness is open or shorted– Front or Rear Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0238 GMC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal….
P1132 GMC HO2S Circuit Low Variance Bank 2 Sensor 1
Possible causes – Faulty Front Oxygen Sensor– Front Oxygen Sensor harness is open or shorted– Front Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1132 GMC OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to…
C0229 GMC Simultaneous Dropout Of Front Wheel Speed Sensors
Possible causes – Faulty Front Speed Sensor– Front Speed Sensor harness is open or shorted– Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0229 GMC OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake Control Module (EBCM)…