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1999 Ford Expedition Question: Getting high idle when stopped and transmission taking long to shift

 

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915tommyboy74, 5.4L V8, El Paso, TX, September 12, 2013, 16:15
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All this happened just after a rain storm
Getting No Codes
Hesitating when taking off
New IAC installed

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  • Answer #1

    pushrod September 12, 2013, 19:48
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     Master

    Most likely a throttle position sensor/circuit problem. Scanner can check this rather quickly!!

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    915tommyboy74, September 12, 2013, 19:54
     Rookie

    Thanks for reply .... will be checking that

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    pushrod, September 12, 2013, 19:59
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     Master

    You bet! Also, this problem may NOT set a code but a scanner can read the TPS to see what it is doing. Trans. shift and idle are VERY dependant on the TPS signal!!!

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    915tommyboy74, September 13, 2013, 07:30
     Rookie

    Thanks for the HELP, it was the TPS
    You guys are GREAT!!!!

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    pushrod, September 13, 2013, 07:42
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     Master

    Glad to help!
    Thanks for the reply.

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