Hello,
The problem you are describing is indicative of a bad coil (CoilOverPlug) or COP. If a check engine light is being generated then the OBD Code should reveal which one is failing. This is also a good time to replace all of your spark plugs if you haven't recently. Joe C.
Thats a tough one only because it could be many things. The 2 most common situation that would cause that behavior are: Coil pack/spark plug issue or fuel injectors. The easiest and less invassive would be to add a bottle of Seafoam or equivelent to your fuel tank with only 1/4 fuel remaining. Once empty, run another in a 1/2 tank, and then a third in a full tank. This should clean the fuel injectors. The more invassive option is to check your spark plugs and wire ends. Look for scortching on the spark plug which would support moisture in the spark plug wells or a cracked spark plug. However, if your issue is mainly under light load, I would think the a clogged or partially clogged fuel injector or injectors.
Sounds like it would be spark or fuel. Most likely is the a clogged or partially clogged fuel injector or injectors specifically because it occurs mainly under light load. Try Seafoam or an equivelent and put the bottle into 1/4 full fuel tank. Run as empty as possible. Put a 2nd bottle into 1/2 tank. Run as empty as possible. Use a 3rd to a full tank. That should clean your fuel and injector systems. The other possiblity is spark plug and coil pack. I would look at your coil boots for tears and spark plugs for scortching which would support moisture intrusion or cracks on the plugs.
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SOURCE: 1995 ford bronco 5.8l surges while going uphill
check vacume lines, knock sensor, and air intake sensor
SOURCE: hi my 2006 F150 king ranch has shut off twice
i have the same unit 2006 4x4 f150 lariat 5.4 when down 1 liter of oil it will sometimes shut off when restarted it will go into fail safe mode,restat again and it will move.very supprising when it shuts off
SOURCE: my door ajar light stays on in my ford f150 king
Have you tried WD-40 in the door latch ? Some times the contacts in the door latch get gummed up, and the door switch stops working. A good soaking on the door latch, and close / open a few times and another soaking of WD-40 usually does the trick with the door latch switch.
SOURCE: Rear power window, power pedals, driver power seat
Check for a bad splice in the driver's side door sill.
The SuperCrew the splice is generally a purple wire back by the C-pillar, and looks to be wrapped in a tape that looks like hockey tape. Should have signs of water damage.
If you did not have the rear slider issue, I would have thought VSM ( Vehicle Security Module ) ground missing. The VSM is mounted behind the rear seat back ( need to remove the seat to get to it to check ).
SOURCE: cruise control won.t work on 2002 King Ranch F150
Did you have the recall done ?
recall 05S28. Description: Speed Control Deactivation Switch.
Is this the fuse you are talking about ( the recall harness has an inline fuse in it ) ?
- If it is, how did you test this ?
Did you run the CC self test ?
Self-Test Diagnostics
WARNING:
This test is a key on engine off (KOEO) test only that is conducted in park only with emergency brake fully engaged.
1. Enter self-test diagnostics by depressing the speed control OFF switch while turning the ignition key ON, making sure the engine does not start and is not running. The speed control indicator on the instrument panel will flash once to indicate that speed control module entered the diagnostic mode. Five additional flashes at this point indicate a defective speed control servo. Release the OFF switch.
2. Press the remaining switches in this sequence: ON, RESUME, COAST and SET/ACCEL.
If the ON switch is not depressed within five seconds after entering the diagnostics mode, the module times out and the procedure must be started over.
The speed control indicator lamp will flash as each switch is depressed. Press each switch in the sequence immediately after the indicator light goes out for the previous switch.
Note:
There will be a slight delay when the last button is pressed and the lamp flashes.
3. A lamp flash with the last button (SET/ACCEL) indicates that the static test passed. If the lamp does not flash with the last button and there are no additional flashes of the lamp, the switch is defective.
If the lamp does not flash with the last button, and additional flashes occur, follow the chart below for trouble codes:
- 2 flashes - BPP defective, circuit is defective, brake applied, CPP switch or jumper (if equipped).
- 3 flashes - deactivator switch is open or circuit defective.
- 4 flashes - vehicle speed signal is out of range or circuit is defective
4. Immediately (.25 second delay) after the static test, the speed control servo does a dynamic test by automatically actuating the throttle lever from 8 mm (0.315 in) to 12 mm (0.472 in) of travel from the idle position. During the dynamic throttle pull, observe throttle movement to witness any binding or sticking of the speed control cable and correct connection of speed control cable to throttle lever. Make sure the throttle returns to the idle position.
5. Return the ignition switch to the OFF position and proceed to the Symptom Chart.
Please post back the answers as a comment to this problem.
Thanks
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