Question about 1995 Ford F250

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Throttle position sensor

Gas pedal not working why

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Posted on Jan 02, 2017

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SOURCE: 2000 Taurus. Will not idle. No check engine light.

check on the rear of the engine below the throttlebody area there is a vacuum line that collapses or splits and cause this

Posted on Jun 05, 2009

  • 449 Answers

SOURCE: Some times when I press on the throttle, nothing

You're on the right track check for and loose conection to the tps. Is there any check engine light?

Posted on Oct 20, 2009

Testimonial: "yes, engine light is on"

  • 1 Answer

SOURCE: 95 f250 7.3 is throttle position sensor on the pedal

i have a f350 ps and it starts and idles but i have no throttle nothing happens when i push the pedal and the check engine light comes on

Posted on Sep 30, 2010

  • 5763 Answers

SOURCE: 2002 f 250 SD 7.3

the only way would be with a scan tool. the tool would read the readings of the pedal sensor and also have you scanned the computer for any stoored codes, even if the check engine light is not on. another problem may be the throtlebody itself, the pedal sensor and the two throtlebody sensors all work together to accel, i would have it tested before buying it, its costly and i would hate to see you spend the money for a part you dont need,good day

Posted on Sep 03, 2011

  • 946 Answers

SOURCE: 1990 f150 truck cranks up but got to press gas

Have you checked for a vacuum leak? Be suspicious of the solenoids you see with vacuum lines going to them. I think it has 3 or 4 of them. don-ohio

Posted on Oct 09, 2011

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1 Answer

On my 2010 Cadillac Escalade will not start and it says Reduced Engine Power

Reduced Engine Power Has to do with the electronic throttle control . Have it check for DTC'S - diagnostic trouble codes . The gas pedal is electric , has sensors the PCM uses so it knows how much to open the throttle blade . Electric DC motor on the throttle body to open an close the throttle blade . Video's on youtube that show how it works . Could have bad sensors at the gas pedal or throttle position sensors on the throttle body .

Feb 25, 2017 | Cadillac Cars & Trucks

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Replaced Throttle body throttle position sensors

There is another sensor mounted to the gas pedal. It has to communicate with the throttle body assembly. If the correlation is not correct between the two, the problem will persist. The throttle body assembly is usually the most common of the two, however the accelerator position sensor still gives problems.

May 11, 2015 | 2004 Nissan Quest

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What does a throttle positioning censor for an 05 ford focus look like

I suggest you google 05 ford focus throttle positioning sensor. This sensor keeps you air intake throttle at the proper position when the engine is cold and changes position when the engine has warmed up. to locate the sensor, remove the hose that comes from the air filter housing to the engine. the hose you removed was connected to the air throttle. you can manipulate the position of this throttle by having someone push the gas pedal down slowly while you watch the throttle move. notice that the gas pedal cable is connected to the mechanism that opens and closes the air throttloe. also notice that beside this mechanism, you have an electric throttle positioning sensor. Pay close attention to the existing throttle positioning sensor before you remove it if you are planning on replacing this sensor. because if you do not install the new sensor in the same degree that the old one was in, you will throw the calibration off. word of advice. buy some throttle cleaner from your local auto parts. turn the car on with the air filter to throttle body hose off and have someone push the gas pedal down slightly to keep the engine from turning off. spray the throttle body cleaner til all the black crud comes off the inside of the throttle body. this dirty crud is what was making your throttle stick and not working properly.

May 01, 2014 | 2005 Ford Focus

3 Answers

Accelerator pedal position sensors

I have a 2006 Honda Accord and I put it on the dealers diagnostic system and it gave the following reading: Acclerator pedal position interrelationship. Does this mean that the throttle body cencor and the accelerator pedal position cencor needs to be syncronized to find each other? Please help

Oct 09, 2013 | Honda Accord Cars & Trucks

1 Answer

Throttle pedal position sensor "A" circuit low input

Sounds like the Throttle Plate is sticking

You were fooled into changing the TPS because of the code

Not the way you diagnose vehicle issues

You find out why a sensor--- good or bad set the code

Get some CRC Throttle Body Cleaner & follow the instructions

Don't need much sprayed around the throttle plate

Then have someone step on gas pedal to confirm success

May need the key on

Your low input is the throttle not returning to home position

Almost like the sensor was telling you what was wrong

Fun stuff isn't it & not easy to understand

Feb 03, 2013 | 2001 Ford Taurus

2 Answers

2007 chevy tahoe loses power

No messaage of reduced engine power ? Your vehicle has electronic throttle control . Has four position sensors , two are located in the gas pedal ,an two in the throttle body . The PCM uses these sensor to know how much to open the throttle plate ,allowing more air into the engine . How did you read this code an where did you read it's definition at ? This is not a code for your vehicle . Some time cheap code readers get them wrong .
DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

DTC P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P2101: Throttle Actuator Position Performance
DTC P2119: Throttle Closed Position Performance
DTC P2176: Minimum Throttle Position Not Learned

If one of this position sensors is bad it will throw the PCM into a
Reduced Engine Power Mode
When the ECM detects a condition with the TAC system, the ECM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The ECM will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.
• Limited throttle mode--The ECM will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.
• Throttle default mode--The ECM will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The ECM will perform the following actions:
- Limit engine speed to idle by positioning the throttle position, or by controlling the fuel and spark if the throttle is turned off.
- Ignore the accelerator pedal input.
• Engine shutdown mode--The ECM will disable fuel and de-energize the throttle actuator.

017 Accelerator Pedal Position Sensors
Drive by Wire Function and diagnostics by Wells

Jan 01, 2018 | 2002 Oldsmobile Silhouette

1 Answer


The throttle position sensor responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the throttle position into output voltage and emits the voltage signal to the ECM. In addition, the sensor detects the opening and closing speed of the throttle valve and feeds the voltage signal to the ECM. Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This one controls engine operation such as fuel cut, etc. The throttle position sensor unit has a built-in “wide open and closed throttle position switch,” which is not used to control the engine. For the G35, the throttle position sensor is part of the throttle control actuator.

Jun 08, 2010 | 2004 Infiniti G35 Sport Coupe

1 Answer

I have a 2006 BMW 750li, removal of gas pedal


May 16, 2010 | 2006 BMW 750Li

1 Answer

My Toyota 1995 22re ides but stalls when pushing on the gas pedal

I would check out the Mass Air Flow sensor and the Throttle Position Sensor.
The Throttle Position Sensor tells the computer what position your have on the throttle while your are pushing on the gas pedal.
The Mass Air Flow sensor tell the computer how much air is going into the engine at different RPMs.

A repair manual will show you how to check the sensors if they are bad. Auto-parts store will carry these books. It's about $20.

Nov 09, 2009 | Toyota Pickup Cars & Trucks

1 Answer

The electricsal gas pedal

The pedal itself is the sensor. It is all one assembly called the accelerator pedal position sensor. If you are getting a code for this or the throttle position sensor don't assume either are at fault. There are many problems with wiring and the throttle body assembly which contains the throttle position sensor so a thorough diagnosis is needed before any parts should be put on.

Nov 15, 2008 | 2003 Saturn VUE

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