Questions & Answers for: GMC Sierra failsafe engine mode

...engine, Replaced air filter 3 weeks ago, fuel filter and tune-up maybe 2 years ago, regular oil changes, and new fuel pump about 16 months ago, also fuel pump was always loud but seems to be louder ...

...engine. Fuel Cutoff Mode The PCM cuts OFF fuel from the fuel injectors when the following conditions are met in order to protect the powertrain from damage and improve driveability: The ignition is ...

...mode and I cannot change to any other setting. Any Advise? Thanks Unhook the battery for a few minutes. Now hook it back up, and turn the key on, but dont start the engine, let it set for 2 minutes, ...

...mode.Any info would be greatly appreciated. You need to have the codes checked. The injectors in your engine have an issue where they either bypass fuel back to the tank or crack the body and fuel ...

...mode and wont fire the injectors. Engine will start then and run very rich. The coolant sensor has two wires on it and sometimes you need to replace the wiring pigtail going to it as the sensor can ...

...and gear indicator ligght are not working,and my tranny is in failsafe mode Ceheck all fuses in cab and engine compartment and make sure all harnesses on tranni are not corroided and plugged in

...mode" and means one of the sensors ahs detected a problem and limits the engine to avoid any further damage, take the car to a garage where is can be plugged into a diagnostic machine which will bea ...

...a direction to your problem. When you place the accelerator to the floor you put the system in the clear flood mode which is allowing you to start but then the problem takes over and kills the

...engine.)8. Turn the ignition to the OFF position. 9. Release the power UNLOCK button on the door panel. The vehicle should respond by door locks locking and unlocking automatically. (If locks do not ...

mode. Would instruct that electrical ignition repairs or diagnostics begin at the engine control module, vis a vis, the connections that go into the controller. All connections are color coded and are