Question about 1988 Honda Accord 4 Door

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Car idles hi at start up and while driving it keeps using hi rpm's

When i first start the car it idles high allthe way to 2000 rpms wethers it's cold or hot out side. It does evetually go down but when i drive on the freway it will used hi rpms sometimes it will go all the way to 6000 rpm's before shifting down to normal rpm's is that normal or what could be the problem. also the car uses high rpm's to catch speed but doesn't want o shift down and it will go up and down on rpm's.

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  • Anonymous Oct 24, 2008

    Howdy. Yeh...sounds exactly the same as on my '88 Accord carbed. It will intermittently surge to approx. 3000 rpm whether hot or cold and I can get it to function normal on the turnpike, but it just seems to want to misbehave badly with the revving to high rpm's.

    I'll be cleaning out the Idle Air Control Valve and will be looking at the Throttle Position Sensor. All of the other stuff such as choke adjustments, etc. have yet to help.

    comeondoncole@shaw.ca

  • dadid Sep 18, 2013

    thats not it at all. I cant get it over 3000 rpms once it warms up its as if it is choking out

  • dadid Sep 18, 2013

    it wont rev hi at all at 2500 it bogs down

  • Anonymous Mar 21, 2014

    2010 Grand Marquis rpm keep high and go down after shifting !! It's like the o/d on but it's off !!

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Hello it sounds like your throttle position sensor (tps) is out of range this controls your idle threw the computer what you have explained is a pattern to bad tps goodluck

Posted on Sep 18, 2008

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