P0280 Mercedes-Benz 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
– 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
P0280 Mercedes-Benz Description
Code P0280 Mercedes-Benz is triggered when the Engine Control Module (ECM) detects a high voltage in the Fuel Injector 7 Circuit. During normal conditions the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.
Mercedes-Benz Vehicle:Mercedes-Benz C-Class,Mercedes-Benz CL-Class,Mercedes-Benz CLK-Class,Mercedes-Benz CLS-Class,Mercedes-Benz E-Class,Mercedes-Benz G-Class,Mercedes-Benz GL-Class,Mercedes-Benz GLK-Class,Mercedes-Benz M-Class,Mercedes-Benz R-Class,Mercedes-Benz S-Class,Mercedes-Benz SL-Class,Mercedes-Benz SLK-Class,Mercedes-Benz SLS-Class,Mercedes-Benz Sprinter 2500,Mercedes-Benz Sprinter 3500,