Question about 1989 Ford F 250

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Idle speed problem

When u push in the clutch to shift gears the engine rev's up and wont stop till u tap ******* the gas feed . i have put on a new cable and an idle speed motor .

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  • Anonymous Mar 23, 2014

    the motor runs, but very slow and will not push the wire. you change the wire speed and nothing happens.

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1 Answer

I had a similar problem, engine would fluxuate engine idle speed. I had to change the "Throttle Position Sensor." You might have that checked out.

Posted on Oct 19, 2008

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emissionwiz
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SOURCE: idle speed problem

Check the upper intake for vacum leaks, use a can of carb spray, if there is a leak then the engine will react when the carb spray gets sucked in the leak.

Posted on Sep 30, 2008

6ya6ya
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1 Answer

Revs high when i change gear


Is it possible the clutch pedal is interfering with the throttle? Start the engine in neutral and allow it to idle. Press only the clutch pedal down and see if this increase the engine speed. If it does speed up the engine and slows back down when you release the clutch then somehow this operation is where your fault lies. If it doesn't alter the idle speed, then rev your engine and release the throttle to see if it returns to idle immediately. If it is slow to return to idle then your throttle cable could be sticking. This means when you change gear lifting off the throttle has little effect and depressing the clutch to change gear causes the engine to race as the throttle is still partially open.

Aug 23, 2014 | 2005 Ford Fiesta 1.3

4 Answers

Idle speed problem


Check the upper intake for vacum leaks, use a can of carb spray, if there is a leak then the engine will react when the carb spray gets sucked in the leak.

Sep 30, 2008 | 1989 Ford F 250

1 Answer

I have a 91 toyota celica that will not go when put into gear.


Have you had problems with clutch slipping up to this point? Like engine revving up and no change in speed while driving. Like going into 4th or 5th gear, letting clutch out, giving gas, and feels like no response? Engine just revs up? That's a slipping clutch.
If that's your problem, you need a new clutch.

Jan 07, 2013 | 1991 Toyota Celica

1 Answer

When i drive down the road and push the clutch in to shift gears my truck revs up and stays there till i have shifted gears and let the clutch back out


i would clean the idle control motor it may be sticking use a good carb spray like Berrymans B 12. clead the velve and the bore it came out of


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Apr 04, 2011 | 1996 GMC Sierra

1 Answer

Replaced ECM on mitsubishi 300gt 1991 5 speed and now I cannot shift. Did not have this issue before but the car has been sitting for 4+ months. Car starts and idles, shifter goes into gears clutch needs...


manual?? put it in first gear --hold foot on clutch and start engine ,car will shoot forewards but do not be deterred drive car with foot on clutch and after a short distance the clutch will clear and the engine will rev up ,now release the clutch and drive as normal ,it will be ok from now on

Mar 15, 2010 | 1991 Mitsubishi 3000GT

1 Answer

Engine speed hunts on idle. Auto trans slow shift.


The fast idle valve is inside the throttle body. Sometimes it backs out and needs turned back in (it's threaded). This will cause the loping idle.

Get transmission filter changed with new fluid. Honda does not recommend transmission flushing.

Sep 17, 2009 | 1988 Honda Accord 4 Door

1 Answer

1994 mustang gt cuts out


have you been tuning it? look for the vacuum hose you knocked off.

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