Category: Buick

P0301 Buick 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…

P0302 Buick 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…

P0303 Buick 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…

P0294 Buick Cylinder 12 Injector Circuit Low 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…

P0295 Buick Cylinder 12 Injector Circuit High 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…

P0296 Buick 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…

P0297 Buick 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 Buick 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…

P0298 Buick 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…

P0292 Buick 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…

P0293 Buick Cylinder 11 Contribution Balance 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…

P0289 Buick 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…

P0290 Buick 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…

P0291 Buick 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…

P0284 Buick Cylinder 8 Contribution Balance Possible causes – Dirty Fuel Injector 8– Faulty Fuel Injector 8– Plugged Fuel Injector 8– Fuel injector 8 harness is open or shorted– Fuel injector 8 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…

P0285 Buick Cylinder 9 Injector Circuit Low 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…

P0286 Buick 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…

P0287 Buick 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…

P0288 Buick 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…

P0280 Buick Cylinder 7 Injector Circuit High Possible causes – Dirty Fuel Injector 7– Faulty Fuel Injector 7– Plugged Fuel Injector 7– Fuel injector 7 harness is open or shorted– Fuel injector 7 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush…

P0281 Buick Cylinder 7 Contribution Balance Possible causes – Dirty Fuel Injector 7– Faulty Fuel Injector 7– Plugged Fuel Injector 7– Fuel injector 7 harness is open or shorted– Fuel injector 7 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before…