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
– 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 replacing the injector.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine Misfire
– Engine Run Rough
– Low MPG
– Engine Misfire
– Engine Run Rough
– Low MPG
P0281 Buick Description
Code P0281 Buick is triggered when the Engine Control Module (ECM) detects that the acceleration rate of the crankshaft for Cylinder 7 was less than a calibrated amount. During normal conditions the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.
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 – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera