Category: Buick

P0319 Buick Rough Road Sensor B Signal Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine Misfire– Engine Run Rough Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick…

P0320 Buick Ignition/Distributor Engine Speed Input Circuit Possible causes – Faulty Ignition/Distributor engine speed sensor– Faulty Crankshaft Position sensor– Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0320 Buick code is triggered…

P0321 Buick Crankshaft Sensor Circuit Malfunction Possible causes – Faulty Ignition/Distributor engine speed sensor– Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Faulty Crankshaft Position sensor– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0321 Buick code is triggered when…

P0322 Buick Ignition/Distributor Engine Speed Input Circuit No Signal Possible causes – Faulty Ignition/Distributor engine speed sensor– Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Faulty Crankshaft Position sensor– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0322 Buick code…

P0314 Buick Single Cylinder Misfire Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave –…

P0315 Buick No Crank Sensor Learned Possible causes – Faulty Crankshaft Position (CKP)– Crankshaft Position (CKP) sensor harness is open or shorted– Crankshaft Position (CKP) sensor circuit poor electrical connection– Damaged crankshaft pulse wheel teeth Tech description Visual inspection of the Crankshaft Position (CKP) sensor and crankshaft pulse wheel teeth for damage. If crankshaft teethes…

P0316 Buick Misfire Detected In First 1000 Revolution Window Possible causes – Faulty Crankshaft Position (CKP)– Crankshaft Position (CKP) sensor harness is open or shorted– Crankshaft Position (CKP) sensor circuit poor electrical connection– Ignition System– Fuel Injectors– Running out of fuel – Fuel Quality– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or…

P0317 Buick Rough Road Hardware Not Present Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine Misfire– Engine Run Rough Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal…

P0313 Buick Misfire Detected With Low Fuel Possible causes – Not enough fuel in tank– Faulty spark plugs plug wires– Faulty injectors– Vacuum leaks– Faulty Fuel Sender Unit– Fuel Sender Unit harness open or shorted– Fuel Sender Unit poor electrical connection What about the obd code? Misfire detected with low fuel Symptoms – Engine Light…

P0308 Buick Cylinder 8 Misfire Condition Possible causes – Faulty spark plug 8– Clogged or faulty fuel injector 8– Faulty ignition coil 8– Fuel injector 8 harness is open or shorted– Fuel injector 8 circuit poor electrical connection– Ignition coil 8 harness is open or shorted– Ignition coil 8 circuit poor electrical connection– Insufficient cylinder…

P0309 Buick 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…

P0310 Buick 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…

P0311 Buick 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…

P0312 Buick Cylinder 12 Misfire Condition Possible causes – Faulty spark plug 12– Clogged or faulty fuel injector 12– Faulty ignition coil 12– Fuel injector 12 harness is open or shorted– Fuel injector 12 circuit poor electrical connection– Ignition coil 12 harness is open or shorted– Ignition coil 12 circuit poor electrical connection– Insufficient cylinder…

P0304 Buick 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…

P0305 Buick 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…

P0306 Buick Cylinder 6 Misfire Fault Detected Possible causes – Faulty spark plug 6– Clogged or faulty fuel injector 6– Faulty ignition coil 6– Fuel injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection– Ignition coil 6 harness is open or shorted– Ignition coil 6 circuit poor electrical connection– Insufficient…

P0307 Buick Cylinder 7 Misfire Condition Possible causes – Faulty spark plug 7– Clogged or faulty fuel injector 7– Faulty ignition coil 7– Fuel injector 7 harness is open or shorted– Fuel injector 7 circuit poor electrical connection– Ignition coil 7 harness is open or shorted– Ignition coil 7 circuit poor electrical connection– Insufficient cylinder…

P0299 Buick 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…

P0300 Buick 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…