P0281 Chevrolet Cylinder 7 Contribution Balance

P0281 Chevrolet 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 replacing the injector.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine Misfire
– Engine Run Rough
– Low MPG
P0281 Chevrolet Description

Code P0281 Chevrolet 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.