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Can someone help me out. I erased my codes wich was 2106. I went for a ride. And my truck still falls into safe mode after 60 kmh wrench light comes on and I can't get a code. Truck has no power and no codes. Very frustrating. Any suggestions what it could be.
Suggest you identify what you're working on, first off.
Sorry about that. I'm working on a 5.4 2004 fx4. I changed the plugs, fuel filter, cleaned out the throttle body, and the mass air flow sensor, also cleaned my air filter it's a k&n cold air intake.