Question about 2004 Ford F150
Hi ! I have a 2005 F150 with a 5.4L engine and if you apply full throttle the engine cuts out severly. If you don't go to the floor with the pedal and stay just off of 100% the engine will rev right up to 5000 rpm with out a single miss or any problem what so ever. So I have ruled out it to be a fuel delivery problem or ignition problem. But i am wondering if that would be a tps or throttle positioner. Anyone run into similiar problem before. Cool thanks for you time !!
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Posted on Jan 02, 2017
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Release the throttle when fuel cut-off occurs.
Observe the fuel cut-off specifications for the applicable engine.
The engine should not accelerate beyond the calibrated RPM value.
Release the throttle immediately if the value is exceeded.
Block the drive wheels.
Set the parking brake.
DO NOT apply the brake pedal.
Cycle the ignition from OFF to ON.
Apply and hold the brake pedal.
Start and idle the engine.
Turn the A/C OFF.
The vehicle must remain in Park or Neutral.
The scan tool monitors certain component signals to determine if all the conditions are met to continue with the procedure. The scan tool only displays the condition that inhibits the procedure. The scan tool monitors the following components:
Crankshaft position (CKP) sensors activity--If there is a CKP sensor condition, refer to the applicable DTC.
Camshaft position (CMP) signal activity--If there is a CMP signal condition, refer to the applicable DTC.
Engine coolant temperature (ECT)--If the engine coolant temperature is not warm enough, idle the engine until the engine coolant temperature reaches the correct temperature.
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