throttle position sensor?
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Joined: Jan 2010
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throttle position sensor?
Hey guys, I have a 04 f150 xlt screw 5.4 that has 92k on it. Couple weeks ago I added to somebody’s post about their truck stalling out of the blue, where mine stalled on cruise control sometimes, at stop lights randomly, and in drive thrus. I’m noticing more and more of a problem with the way my truck is shifting and accelerating . There is a little play in the gas pedal, id say almost half an inch before the truck even responds. I’ll be at a stop light, and when it turns green I lift my foot off the brake and start to give it gas and as it engages there are two thumps, one right after another. The truck isn’t in progress of shifting or anything. These thumps feel like I’m running over a decent sized crack in the street. My truck will also hesitate to shift, doesn’t shift hard though. My gas seems to be eating up. I have a 9 mile drive to work everyday, I filled my tank last Friday and today I’m already at half a tank. I use cruise control a lot and I don’t have a lead foot. Truck is stock. I recently (4 days ago) had my truck completely serviced, differentials flushed, tranny serviced, oil change, spark plugs etc.) I was told in the thread I posted in a couple weeks ago for the stalling that it might be a TPS.
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Thanks for the help!
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Thanks for the help!
Thread Starter
Junior Member
Joined: Jan 2010
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Google just may have answered my own question. I would like a little more input from other forum members to see if anyone else has had this same issue.
Symptoms of a Bad Throttle Position Sensor
Devices malfunction and cause problems for us mere mortals. To read more about symptoms of a bad throttle position sensor, read on...
The function of the throttle position sensor, aka TPS, is to supply information to the car's computer about the position of the car's throttle. The throttle position sensors contain electro-mechanical moving parts which are prone to wear and tear, which eventually add to the cost of car repairs. Malfunctioning of a TPS can result in improper data being fed to the car's computer, which monitors engine performance, in respect to the fuel efficiency of the car. A damaged, malfunctioning TPS can cause variety of symptoms which are also known as symptoms of a bad throttle position sensor.
Symptoms of a Defective Throttle Position Sensor
Following is a list of symptoms, either of or a combination of which, a car driver may experience because of a defective throttle position sensor:
Devices malfunction and cause problems for us mere mortals. To read more about symptoms of a bad throttle position sensor, read on...
The function of the throttle position sensor, aka TPS, is to supply information to the car's computer about the position of the car's throttle. The throttle position sensors contain electro-mechanical moving parts which are prone to wear and tear, which eventually add to the cost of car repairs. Malfunctioning of a TPS can result in improper data being fed to the car's computer, which monitors engine performance, in respect to the fuel efficiency of the car. A damaged, malfunctioning TPS can cause variety of symptoms which are also known as symptoms of a bad throttle position sensor.
Symptoms of a Defective Throttle Position Sensor
Following is a list of symptoms, either of or a combination of which, a car driver may experience because of a defective throttle position sensor:
- Bucking and jerking of the car
- Idle surging
- Sudden stalling of the car engine
- Hesitation while the driver of the car is trying to accelerate
- Sudden surge in car's speed while driving on the highway
Senior Member
Joined: Nov 2009
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from the amout of times you have had problems I would think something has to be recorded in your trouble codes...................
get to a larger auto parts store ond ask them to read the computer trouble codes...
This is usually done for free and many times tells you exactly what's gone wrong.
get to a larger auto parts store ond ask them to read the computer trouble codes...
This is usually done for free and many times tells you exactly what's gone wrong.
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I actually would like too know as well. Can anyone tell me who sells the best priced ones and is this the type of part you can go aftermarket or Motorcraft and it doesnt matter?
Last edited by mdunn; Oct 26, 2010 at 11:37 AM.
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Not sure how kosher this is, but I ran into a similar problem. Don't feel like typing it all out here, so here is the link: http://www.fordf150.net/forums/viewtopic.php?t=54916
Still having intermittent issues in parking lots where it is like I am pumping the throttle just a little. Makes me look like an idiot backing out of spaces in a parking lot. vroom, vroom, vroom, vroom, etc. Again though, can't get my OBD computer on it because it is intermittent, and doesn't throw any codes. If the throttle position sensor is cheep enough I was thinking of just replacing it and seeing what kind of mileage I get out of that.
Still having intermittent issues in parking lots where it is like I am pumping the throttle just a little. Makes me look like an idiot backing out of spaces in a parking lot. vroom, vroom, vroom, vroom, etc. Again though, can't get my OBD computer on it because it is intermittent, and doesn't throw any codes. If the throttle position sensor is cheep enough I was thinking of just replacing it and seeing what kind of mileage I get out of that.
Junior Member
Joined: Aug 2017
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Not sure how kosher this is, but I ran into a similar problem. Don't feel like typing it all out here, so here is the link: http://www.fordf150.net/forums/viewtopic.php?t=54916
Still having intermittent issues in parking lots where it is like I am pumping the throttle just a little. Makes me look like an idiot backing out of spaces in a parking lot. vroom, vroom, vroom, vroom, etc. Again though, can't get my OBD computer on it because it is intermittent, and doesn't throw any codes. If the throttle position sensor is cheep enough I was thinking of just replacing it and seeing what kind of mileage I get out of that.
Still having intermittent issues in parking lots where it is like I am pumping the throttle just a little. Makes me look like an idiot backing out of spaces in a parking lot. vroom, vroom, vroom, vroom, etc. Again though, can't get my OBD computer on it because it is intermittent, and doesn't throw any codes. If the throttle position sensor is cheep enough I was thinking of just replacing it and seeing what kind of mileage I get out of that.
