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Would a bad or maladjusted tps make rpm go up and down while driving on the highway?

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  • Cars & Trucks Master
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A stretch out TIMING BELT is more like it !

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

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SOURCE: My 03 Jeep TPS may be bad. Is it covered under my 7/70 Warranty ?

7/70 is basicly for powertrain. It could be covered under the emmisions warranty. Call the dealer.

Posted on Dec 29, 2008

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SOURCE: Gauges go crazy while driving

Sounds like a faulty body control module, or the forward control module. Possibly the cluster is going bad. Is it still under warranty? Take it to the dealer, which you may have to do anyway.

Posted on Jun 10, 2009

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SOURCE: 95 gm 5.7 stumbles bad at low rpm

have you tried to spay the base of throttle body & intake to see if throttle body base gasket is is good or sucking air

Posted on Feb 01, 2010

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SOURCE: 1985 supra rpm suddenly just

check the vacumn hose for the brake servo ,could eb sucking in air ,also check the cable as the plastic dust cover could have come loose and its stuck under the cable on the arc ,also make sure the butterfly is on the stop ,then post as need to know if the butterfly is on the stop to tell you what to do next

Posted on Dec 19, 2010

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Trouble code 45

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Hello, my name is Tim. My uncle has a 89' Bronco ii. While cruising on flat, level highway, the transmission kicks in and out of overdrive. Do you have a suggestion? The transmission has been replaced,...

Durango would shift in and out of overdrive while driving at a steady rate. Replaced the throttle position sensor and fixed the problem. here are a few causes for a bad tps. transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on take off, surge while cruising down highway. have a good day ! tps is used by computer to monitor throttle position and adjust the speed, fuel and air to match throttle position. if tps is bad it will send wrong info. to computer. hope this helps !! if all else fails clean maf sensor. check tps first.

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My 2000 blazer is doing a couple of different things. When im driving on the highway the rpm's goes back and fourth from 1800 to 1400 and acts like its cutting out. sometimes it does that when I stop and...

,they fixed the ground you should be okay, TPS it where you buy it from is it from a land that mass produces and dont regard quality , its where you buy it from, but quality you get quality, just replace TPS

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My 2004 Odyssey at 1000 to 1500 rpm will growl and the tach will fluctuate quickly. If we raise the rpm at higher speeds it does not happen. Local dealer cannot resolve the issue...its driving us...

Try replacing TPS (Throttle Positioning Switch) These are basically a rheostat and after time they develop a wear/hot spot - usually right around highway cruising position. When they develop a hot spot you get hesitations and RPM fluctuations

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90 toyota 4 runner over rev'ing

is your ECT Power switched on this causes higher revs

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Go ahead, get the TPS close, we'll final adjust it later.

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

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

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