Question about 1998 Ford Explorer

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I have a brand new 2008 Mercury Moutaineer with an intermittant throttle control problem Sometimes when I stop, the engine races while I have my foot on the brake. I have to press hard on the brake to stop the vehicle from moving forward. I put the transmission into park to be sure the vehicle does not move. I then tap the accelarator pedal and the engine returns to idle.

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  • brake burner May 16, 2009

    same problem, but tapping accellerator does not remedy... car has a mind of its own and returns to normal rpms after some minutes of driving

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2 Answers

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  • Ford Master
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This vehicle has electronic throttle control,NO cable.
Is this actually a driveline bump just before you stop? If so take it to the dealer and have them reprogram the PCM and TCM as per TSB 08-24-04

Posted on Jan 29, 2009

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  • Master
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If you can tap accelrator and idle lowers it is a problem with cable sticking

Posted on Jan 22, 2009

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1 Answer

2008 sebring sometimes when I stop, like at a stop sign, then when I turn and excellerate is doesn't want to go, it is sliggish. What could be the problem?


Could be a few different thing's . Do you know how to do engine diagnostics ? Have a scan tool to view engine sensor data ? Could have a problem with the electronic throttle control , map sensor , an EGR valve that's stuck open a little , a dirty throttle plate . How does the engine idle ? Ruff or smooth ? How does it run going down the road ? Plentyof power ? good power going up hills ?

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Check with the Dealer to see if your Vehicle is still under Warranty. They vary from 2 Years to 3 Years and miles up to 36,000.

Next, the part is the Blower Control Resistor. Usually all you need to do to find it is follow the wires from the Heater blower motor back to a connector on the Underhood ductwork. There should be 1 Electric connector and 2 screws holding it in place. 90% of the part is inside the Duct and the part is about the size of a pack of Cigarettes. Sometimes you have to disconnect heater hoses to get enough clearance to remove it.

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Intermittently (usually cold weather) on starting car races up to about 2200 rpm, back down to 7-800 repeatedly and generally after doing this 8 or 9 times dies. after the engine has warmed up runs pretty...


Could be the throttle position sensor, sometimes just unplugging it and plugging back in will solve the problem when it is temp related, (engine off of course).

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Abs light on, 2004 moutaineer


You most probably have a bad speed sensor on one wheel if it is intemitent try unpluging each on and repluging them, sometimes just a bad connector, If this doesn't help get someone to scan the codes for you and it will tell you which sensor is the problem. Keep in mind that until you fix this you can not depend on your ABS system. Normal braking should be fine though.

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Idle problem


throttle position sensor is what I replaced on mine. Could also be a short in a wire that controls throttle. That was 6 years ago and it was $100. Took it to a shop, that's all I got.

Jun 24, 2008 | 1993 Pontiac Grand Prix

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Engine Racing


It may be the cruise control cable - I had a vehicle do this to me before. The engine raced as soon as I started it, even in park. A couple of times, it stopped racing - then I pressed the gas pedal, and the RPMs did not drop when I released the pedal.
If it acts somewhat like that, check under the hood and find the cruise control system - it is most likely a 3-4" diameter, 5-6" long cylinder-like object mounted on top of the engine with a long cable coming out of it going toward the back of the engine. Check all of the clips on the cable and make sure they are intact, then make sure the cable is fully attached to the throttle body at the end. My cable came loose and got itself wedged in the throttle body, preventing the throttle from closing.
If the cable seems fine, check for other obstructions on the throttle body - there may be something else holding it. It may help to have somebody inside the car pressing and releasing the gas pedal (engine off), so you can see whether it fully opens and closes.

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