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Thread: Have to brake to drive below 35MPH

  1. #16
    Join Date
    Dec 2011
    Location
    Washington State
    Posts
    575

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    Quote Originally Posted by 1953CE View Post
    Thanks to all.....to the dealer she will go

    Great site...super people

    You state that the rpms rise to 1100 in gear at idle, try idling the vehicle engine hot, in park, and push on your brake pedal only, see if the rpm's change much. Also pinch off the vacuum line to the brake booster, press on the brake pedal with the engine hot at idle and see if the rpm's change.
    20+ years ASE and Honda Master Tech

    1998 black 6 spd convertible

  2. #17
    Join Date
    Apr 2020
    Posts
    10

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    Back from the dealer...EVERYTHING checks out to the spec 860 idle correct for 02 C5 no codes no ck engine no vac leaks pcv ok
    Recap In Park 850+- in Drive with brake 850 +- let off brake idle goes up to 1050+-= 35 +- MPH
    26.66 dia tires. 2.73 axle. 3.06 1st gear. 1.63 2nd 1.0 3rd 0.7 4th...all the math is close the question is
    Why does the idle go up when under load (in Drive)??
    Is the transmission programable?

  3. #18
    Join Date
    Apr 2020
    Posts
    10

    Default

    Sorry, as to the math it appears as though it is running in 3rd gear.....I'm totally confused

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