Category: OBDii Powertrain Codes

P0309 Cylinder 9 Misfire Condition Possible causes – Faulty spark plug 9– Clogged or faulty fuel injector 9– Faulty ignition coil 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection– Ignition coil 9 harness is open or shorted– Ignition coil 9 circuit poor electrical connection– Insufficient cylinder 9…

P0310 Cylinder 10 Misfire Condition Possible causes – Faulty spark plug 10– Clogged or faulty fuel injector 10– Faulty ignition coil 10– Fuel injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection– Ignition coil 10 harness is open or shorted– Ignition coil 10 circuit poor electrical connection– Insufficient cylinder 10…

P0311 Cylinder 11 Misfire Condition Possible causes – Faulty spark plug 11– Clogged or faulty fuel injector 11– Faulty ignition coil 11– Fuel injector 11 harness is open or shorted– Fuel injector 11 circuit poor electrical connection– Ignition coil 11 harness is open or shorted– Ignition coil 11 circuit poor electrical connection– Insufficient cylinder 11…

P0296 Cylinder 12 Contribution Balance Possible causes – Dirty Fuel Injector 12– Faulty Fuel Injector 12– Plugged Fuel Injector 12– Fuel injector 12 harness is open or shorted– Fuel injector 12 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing…

P0297 Vehicle Over Speed Condition Possible causes – Vehicle driven at a high rate of speed. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0297 Description Indicates the vehicle has been operated in a manner which caused the vehicle speed to exceed a calibration limit. The vehicle speed is continuously monitored and…

P0298 Engine Oil Over Temperature Condition Possible causes – Low or dirty motor oil condition– Faulty Oil Pressure Switch– Faulty Engine Oil Temperature (EOT) sensor– Engine overheating condition– Very high engine RPM for an extended period of time Tech description On engines which are equipped with an oil temperature sensor, the Engine Control Module (ECM)…

P0299 Boost In Range Low Possible causes – Check other service codes first– Blocked or leaking air intake system– Damaged turbo charger– Faulty Boost Pressure Sensor What about the obd code? The Engine Control Module (ECM) has detected that the boost pressure is lower than the expected boost pressure Symptoms – Engine Light ON (or…

P0300 Random Cylinder Misfire Condition Possible causes – Faulty spark plug (s) – Faulty ignition coil (s) – Clogged or faulty fuel injector (s)– Intake air leak– Fuel injectors harness is open or shorted– Fuel Injectors circuit poor electrical connection– Ignition coils harness is open or shorted– Ignition coils circuit poor electrical connection– Insufficient cylinders…

P0301 Number 1 Cylinder Misfire Detected Possible causes – Faulty spark plug 1– Clogged or faulty fuel injector 1– Faulty ignition coil 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection– Ignition coil 1 harness is open or shorted– Ignition coil 1 circuit poor electrical connection– Insufficient cylinder…

P0302 Number 2 Cylinder Misfire Detected 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…

P0303 Number 3 Cylinder Misfire Detected Possible causes – Faulty spark plug 3– Clogged or faulty fuel injector 3– Faulty ignition coil 3– Fuel injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection– Ignition coil 3 harness is open or shorted– Ignition coil 3 circuit poor electrical connection– Insufficient cylinder…

P0304 Cylinder 4 Misfire Detected Possible causes – Faulty spark plug 4– Clogged or faulty fuel injector 4– Faulty ignition coil 4– Fuel injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection– Ignition coil 4 harness is open or shorted– Ignition coil 4 circuit poor electrical connection– Insufficient cylinder 4…

P0305 Cylinder Number 5 Misfire Detected Possible causes – Faulty spark plug 5– Clogged or faulty fuel injector 5– Faulty ignition coil 5– Fuel injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection– Ignition coil 5 harness is open or shorted– Ignition coil 5 circuit poor electrical connection– Insufficient cylinder…

P0286 Cylinder 9 Injector Circuit High Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…

P0287 Cylinder 9 Contribution Balance Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing…

P0288 Cylinder 10 Injector Circuit Low Possible causes – Dirty Fuel Injector 10– Faulty Fuel Injector 10– Plugged Fuel Injector 10– Fuel injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…

P0289 Cylinder 10 Injector Circuit High Possible causes – Dirty Fuel Injector 10– Faulty Fuel Injector 10– Plugged Fuel Injector 10– Fuel injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…

P0290 Cylinder 10 Contribution Balance Possible causes – Dirty Fuel Injector 10– Faulty Fuel Injector 10– Plugged Fuel Injector 10– Fuel injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing…

P0291 Cylinder 11 Injector Circuit Low Possible causes – Dirty Fuel Injector 11– Faulty Fuel Injector 11– Plugged Fuel Injector 11– Fuel injector 11 harness is open or shorted– Fuel injector 11 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…

P0292 Cylinder 11 Injector Circuit High Possible causes – Dirty Fuel Injector 11– Faulty Fuel Injector 11– Plugged Fuel Injector 11– Fuel injector 11 harness is open or shorted– Fuel injector 11 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…