Stuck gas pedal - advice please



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Thread: Stuck gas pedal - advice please

  1. #1
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    Stuck gas pedal - advice please

    My 2006 van sometimes has a stuck gas pedal while driving. It
    won't go down. Usually takes a few repeated push to get it to
    move again.

    What's the fix ? Take a can of cleaner & blast all around the
    throttle linkage ? TIA.

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    Quote Originally Posted by sjtc2006 View Post
    My 2006 van sometimes has a stuck gas pedal while driving. It
    won't go down. Usually takes a few repeated push to get it to
    move again.

    What's the fix ? Take a can of cleaner & blast all around the
    throttle linkage ? TIA.
    Not something to take lightly. I'm thinking. Lubrication may help. Check for frayed cable at the throttle. Accelerator cables are often very easy to replace. Better check things thoroughly including where the accelerator pedal is fastened to the chassis. Has the vehicle ever been in an accident?
    2007 GC SXT - Magnesium - S&G - 3.8L - 115,600 kms
    2002 GC Sport - Stone White - 3.3L - 314,240 kms
    2003 Jeep TJ Sport - 4.0L - 246,430 kms

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    I would also check to see if the throttle body is nice and clean.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

    '69 GTO drop top
    www.facebook.com/people/Andy-Greif/1410438927

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    No accident. Only 25K miles since new. I don't go anywhere. I figure the problem
    is probably because I don't drive it much & mostly short trips so gum deposit.
    I read the other 2 threads on throttle body cleaning & it looks like it might be a
    case of butterfly being stuck close due to deposits. I'll take a look. Maybe some
    Techron in the gas tank will do the job without me doing anything.

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    At least it's not a Toyota doing the opposite.

    Throttle body cleaning would be the first thing to try, but while you've got the cable disconnected for that you can check it for free operation. Should have absolutely no noticeable friction.
    '87 Caravan LE 3.0, '91, '92, '93, '94 Grand Caravan LE 3.3
    '02, '09 T&C Limited 3.8, 4.0

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    Quote Originally Posted by sjtc2006 View Post
    No accident. Only 25K miles since new. I don't go anywhere. I figure the problem
    is probably because I don't drive it much & mostly short trips so gum deposit.
    I read the other 2 threads on throttle body cleaning & it looks like it might be a
    case of butterfly being stuck close due to deposits. I'll take a look. Maybe some
    Techron in the gas tank will do the job without me doing anything.
    Stuff in the tank will be hard pressed to make it backwards up the intake manifold to get to the throttle body. The way to clean them is to remove and clean thoroughly, or you can use canned spray cleaner spraying it with the engine running.

    The deposits get there because of exhaust gas recirculation that gets put in the manifold behind the TB. Those gases let carbon and other gunk buildup there.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

    '69 GTO drop top
    www.facebook.com/people/Andy-Greif/1410438927

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    It's just 4 bolts, take the throttle body off and clean it. Or if you can't call a dealer and they can do it and do it properly. If you do it yourself, be sure to take the sensors out of the throttle body and clean the passages to the sensors. Leaving it on the van will not allow you to clean these passages out. And you are 100% correct, short trips is the worse thing you can do. No fuel additive will repair it. At this point it the throttle body has to be cleaned.
    Jeff
    http://www.facebook.com/eddie.munster
    Current:
    2007 Grand Caravan/3.8L V6/103K mi/original 41TE
    2006 300C/5.7L HEMI V8/128/K mi/original W5A580
    2002 PT Cruiser/2.4L I4/139K mi/original 40TE
    1992 S-10/4.3L V6/249K mi/original 4L60E
    Previous minivans:
    1997 Grand Voyager SE/traded@192K mi/3.3L V6/original 41TE
    2003 Grand Caravan Sport/3.8L V6/traded@124K mi/original 41TE
    2007 T&C/3.8L V6/traded@44K mi/ original 41TE
    2010 T&C Touring/3.8L V6/the ex's@72K mi/original 62TE

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    It would seem to me the first thing is to determine if the problem is in the throttle body or the gas pedal. Easy test is to try moving the lever on the throttle body by hand and if it moves freely the problem is the gas pedal sticking. If it is hard then it is in the throttle body and follow previous suggestions.

    Frank
    96 Grand Voyager retired
    99 DGC Sport retired with 137K mi
    07 T&C SWB with 21800 mi

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    the throttle plate can move freely when cold, only to start sticking when things warm up...
    relevant vehicle: '05 -=C=- T&C Ltd @~110K

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    That's definitely a symptom of a throttle blade needing cleaning. I'm not sure what is the root cause. Our '03 did it pretty regularly, and that van didn't even have an EGR system on it. Our '07 does have EGR, and so far, I've only had to clean the throttle blade once. The key areas are the circumference of the blade and the portion of the housing where the blade rests at idle.
    '11 Toyota Camry | 2.5/6AT | Sandy Beach
    '07 Chrysler T&C | 3.8/4AT | Cognac Crystal
    '05 Acura MDX | 3.5/5AT | Billet Silver
    '97 Dodge Dakota | 5.2/4AT | Emerald Green

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