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HelpForCars.net- All Aobut Automotive Repairs

P0278

P0278 - Cylinder 6 Contribution/Balance Fault

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Possible causes
- Dirty Fuel Injector 6
- Faulty Fuel Injector 6
- Plugged Fuel Injector 6
- Fuel injector 6 harness is open or shorted
- Fuel injector 6 circuit poor electrical connection
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Tech notes
Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.
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Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine Misfire
- Engine Run Rough
- Low MPG
P0278 Description
Code P0278 is triggered when the Engine Control Module (ECM) detects that the acceleration rate of the crankshaft for Cylinder 6 was less than a calibrated amount. During normal conditions the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.
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