Question about 2002 Ford Explorer

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2002 Ford ExplorerTransmission problem going into Reverse

This probelm has been going on for a while and it keeps throwing the code for the TPS. How do I replace the TPS on this vehicle and where can I buy the part.

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  • Randy Blue
    Randy Blue Jul 11, 2009

    It is actually the TRS Transmission Range Sensor that needs to be replaced so I think ...
    The code is: P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)



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The TPS Sensor IS Located On The Trottle Body Where The Air Intake Come Into The Engine It Is mounted With Two Screws And Has Three Wires TPS Stands For (Thottle Position Sensor) If The Sensor Goes Bad it Can Cause The Trans To Go Into Whats Called Fail Safe Mode Causing It Not To Shift Right I Hope This Helps

Posted on Jul 16, 2009


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2001 ford focus keeps throwing the code for tps. i have replaced it five times an everything else on the car that i kno to replace even the computer. i still cannot figure out my problem

You have to replace the mechanic! What TPS code are you getting? There are different codes for the TPS. Get me the number of the code. It starts with 'P' followed by 4 numbers.

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This may sound odd but I've seen the TPS on these vehicles
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did the right stuff.

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Car had codes 12 24 55 changed tps but still will not shift! I can go reverse no problem! Drive gear no where 3rd no where still. Last gear can go at about 30mphs at 4rpm while I have to let go of...

After replacing the TPS, is there still a fault code? Is the TPS installed correctly? What color is the trans fluid, is it clean and no contaminated?

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What could be the problem when you go to accelerate the vehicle hesitates to go

Spark Plugs
Egr Valve
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TPS Sensor
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That should keep you testing
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Got more if their okey

Mar 08, 2011 | 2002 Ford Expedition

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When I come to a stop engine will idle down too low and die. Restarts ok. Isn't throwing any codes. I've replaced the egr valve, air filter, fuel filter, pvc valve and the plugs,

The throttle position sensor [TPS] keeps the engine running when you stop at a light.
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Nov 13, 2010 | 2004 Ford F150

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1999 toyota tacoma 2.7L check engine light came on and showed a code for a bad tps. I replaced the tp[s and the truck runs worse.

Sounds like a mass air flow sensor. Sometimes when the TPS is out the MAF throws a code, and Sometimes when the MAF is out the TPS throws a code. They correspond with eachother and its tricky to tell. What kind of problems are you having?

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How to fix code p1121

P1121-Throttle Position Sensor Inconsistent with MAF Sensor.

Air leak between MAF and Throttle Body (Ducting)
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MAF Sensor

Don't throw parts at it. The code doesn't tell you what to do or change.
Look for the easy stuff and learn how to uses a volt meter on the TPS

Aug 31, 2010 | 1999 Ford Explorer

1 Answer

2002 Ford F250 v10 dies at idle

You can try several things. I am going to say it is probably the TPS-Throttle Position Sensor. This is located on the airhorn and usually on the drivers side. The butterfly shaft connects to the TPS and the TPS is held on by 2 screws and has 1 electric connector. If this cures your problem you are okay, however if you still want more RPM, the opposite side of the butterfly flap has a set hex screw which will allow more RPM like a carb.

There is usually an elongnated slot on the TPS which can be slightly adjusted to help.

You can get a free scan at Autozone or Oreillys and see if anything coded.

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02 sensors

the printout from Auto zone tells you that there is a probelm with fuel mixture control, this doesn't always mean the O2 sensors are defective, intake leaks and iother factors can give O2 codes, give me the code you have and i will let you know the most likely problem.

Jul 02, 2009 | 2002 Ford F150 Regular Cab

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