Question about 2004 Ford F150

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Throttle position sensor

What will the throttle position sensor cause the truck to do if it's going bad?  Right now the truck is idling a little weird, and i was told that it was the throttle sensor going bad.   Also I'm seeing this part for sale on the internet but it looks sightly different, is this a universal type part, would i be safe getting the one i see on (2004 f-150 4.6)

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I am haveing the same problem the part looks different because it isthe part you are looking for is for a 5.4l i dont know why they did it but it is the right part

Posted on Jan 29, 2009

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Yep it sounds like its going bad. I cross referenced the web site you gave to a Ford Parts Catalog and this is your part:


Posted on Jan 20, 2009

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Start and dies, codes p061f, p2106,p2104,p2111

code p2106 refers to throttle actuator control (TAC) system--limited power mode===causes ---wiring---TAC motor---APP sensor---ECM

code o2104 refers to TAQC systems ---forced idle mode===causes wiring---TAC motor--APP sensor--ECM

code p2111 refers to TAC system --actuator stuck open ==causes ---throttle body--throttle valve tight/ sticking

code p2111 also refers to TAC system --circuit malfunction==causes wiring---short to positive--short to ground---TP sensor---ECM

code p2111 also has a 3rd section---brake vacuum---implausible signal===causes---wiring---vacuum sensor--mechanical fault

Dec 21, 2013 | 2005 Ford Crown Victoria

1 Answer

High idle shifts hard but idle will go back down but shifts hard

You'd probably have to take it in to get it diagnosed, but I'm going to guess that it's the electronic throttle body.
The throttle body and throttle position sensor are in the same unit and if one goes bad, you have to replaced the whole thing.

This will cause high idle, stalling, hard shifts and irratic throttle.

Oct 20, 2013 | 2003 Chevrolet TrailBlazer

1 Answer

Idling shakes


Older systems used an Idle Air control sloenoid, to control slight changes in air flow for idle and loads......also the throttle plate is controlled by a cable....

TAC systems(Throttle Actuator Control) have a motor in place of a cable, controlling throttle plate opening......and don't use an IAC valve......

TAC system......clean throttle plate and mating bore as best as possible......then with key out of ignition, disconnect the neg bat cable, and then the positive one....hold cables together for a minute.....this resets all modules......also makes sure the tube that goes from snorkle to the rear valve cover is intact.....

For cable throttle bodies, once again clean the throttle plate AND the mating bore.....also remove the IAC valve, clean the pintle and the mating passage......

Check for any possible vac leaks.....once again check the fresh air tube to make sure it is attached to the rear valve cover....

Sep 06, 2012 | 2005 Chevrolet Equinox

1 Answer

Service engine soon light on and engine idles fast.

Look for vacuum leaks anywhere between the throttle plate/s and cylinder heads. Throttle body gasket or intake manifold gaskets could be bad. A vacuum hose could be bad. Also, try pinching the hose to the brake booster and seeing if the idle returns to normal. You can use aerosol carb cleaner to help find the leak. Spray a little around and listen for the engine speed to increase. When it does, you've found your leak.

You may also have a bad throttle position sensor and/or a bad coolant temperature sensor. Find a buddy with a scan tool and have them tell you what codes are stored. That should get you pointed in the right direction.

Sep 12, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

My Tiberon idles very roughly, but runs great on the road. I pulled the idle air solenoid today and cleaned it out,I made it run worse. do these go bad?

No mention of any diagnostic trouble codes so I would remove large rubber intake tube from air
filter box to throttle body. Only remove from throttle body end lay out of the way. You willneed a can of carburetor cleaner and an old tooothbrush (not a little wire brush). Look inside throttle body and you will see the throttle plate. Reach and pull on throttle cable to open throttle plate fully. When open coat throttle plate good with carburetor cleaner, take toothbrush and scrub carbon deposits from throttle plate paying special attention to both sides. Carbon build-up in and around where throttle position sensor comes through inside of throttle body and connects to throttle plate causes throttle plate not to close completely when accelerator pedal released at idle. This can allow too much air into intake causing rough idle and also can cause Idle Air Control Motor not to be activated due to throttle plate not closing far enough for TPS to recognize throttle cable has been released. The IAC picks up and maintains engine idle until accelerator is depressed and TPS resumes engine rpm control depending on accelerator pedal pressure.
It is also possible that IAC stepper motor is going bad. Normally if this occurs check engine light will illuminate with a diagnostic trouble code for IAC P0505, P0506, or P0510.
Sorry it is so lengthy but pretty simple procedure. Hope it helps.
***Note*** Some throttle bodies have a wax pellet in bottom side of chamber so careful not to let
carburetor cleaner puddle in bottom when sprayed.If cleaner is allowed to puddle and eat up the pellet you have to get another throttlebody. Pellet cannot be bought seperately. When you pull throttle cable you can stick a small rag down in there to catch excess cleaner.

Aug 17, 2011 | 2001 Hyundai Tiburon

1 Answer

95 taurus idling too high like it is stuck wide open

Several issues can cause this problem, either singularly or in combination.. Check the throttle body for dirt and sticky carbon deposits. clean the throttle body using a spray can carburettor/choke cleaner, and with the throttle valve held open, wipe out the bore of the throttle body with a solvent soaked clean rag. Make sure the throttle valve is not sticking any where in the throttle travel between closed and open.

Next, check the idle air bypass valve that is mounted on the top of the throttle body, for dirt and carbon deposits inside that can cause the idle air bypass valve to stick in an open position. Clean the inside of the idle air bypass valve with carb cleaner.

If the ignition timing is over advanced, (Specifies timing advanced is10 degrees Before Top Dead Center, with the in-line spark out plug removed from the spout connector housing, and with the idle speed set to the idle RPM shown on the emissions sticker under the hood, with the engine fully warmed up,) use a timing light to check and set the ignition timing to specification.

The throttle position sensor must be installed on the throttle body using the required method or the idle speed will likely be excessively high. Beginning with the battery negative cable disconnected from the battery, and with the throttle position sensor removed, place the sensor in position on the throttle body with the drive tabs on the sensor placed after the drive tabs on the throttle shaft, the holding the sensor on the throttle body, rotate the sensor counter clockwise to align the mounting screw holes in the sensor and the throttle body, Insert the sensor screws into the senor screw holes, into the threaded holes in the throttle body and tighten finger tight. Carefully center the sensor on the sensor screws, then tighten the screws firmly without over tightening. Reconnect the sensor electrical harness connector.

Inspect the throttle valve idle stop screw adjustment that holds the throttle valve open slightly, to prevent the throttle valve from touching the throttle body bore surface with the throttle closed, and the accelerator pedal unpressed.

Dec 30, 2010 | 1995 Ford Taurus

2 Answers

Wont idle right.Idles at 2000 rpm then drops to 900 or less then usually will stall.If i unplug the mass air sensor while it is running nothing changes. Does this mean it is bad? Thanks,John

MAF concerns the proper mixture of fuel, not the idle speed, so it is most likely all right (if it wasn't, your car would die before it reached 2000 RPM's). Idle speed is controlled by a small motor, generally mounted around the throttle plate. This is controlled by a computer, which judges idle requirements by the input from crank or camshaft position sensors. Make sure that all of your sensors are clean, and in proper operation.

Dec 01, 2009 | 1996 Volkswagen Jetta

1 Answer

High Idle

The Throttle screw is located on the throttle (obiously) its in a clinderical shaped channel located on the throttle just oposite or obliquely opposite the the throttle body position sensor. In some mazda vehicles (IN TRINIDAD) you need to loosen the throttle body position sensor and slightle adjust it eighter to the right or left to tuen the idle (For electronic controlled axcelleration) in some cases it can be adjusted via an ODB2 diagnostic tool (only in some vehicles that has electronic controlled axcelleration)

You can tell what type your vehicle is by looking for an axcelleration cable connected to the throttle body. If the throttle body has a cable it isnt electronically controlled and has an idling screw. If there is no cable but wires to the position sensor its electronic.

Oct 31, 2008 | 1993 Mazda MX-3

1 Answer

High Idle Issue

Sounds like the idle speed control motor is stuck, this could have been caused by the cleaning.

Oct 27, 2008 | 2006 Chevrolet Cobalt

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