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Throttle stick in high idle on cold mornings - Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

GM Elec
  • 1000 Answers

SOURCE: The throttle sticks during the warmer months

The throttle body is located on the driver side of the engine compartment.
If throttle plate has not been clean you might want to get a can of carburetor cleaner, remove the inlet snorkel hose and clean around and behind the throttle plate.
The IAC (idle air control) motor may need to be cleaned. The IAC controls your idle rpm.
Good luck, let me know.
Regards,

Posted on Apr 27, 2009

MNfisherman
  • 11896 Answers

SOURCE: idles too high

This is fairly normal on most cars. It is like the choke. When choked, the idle raises up to increase the internal temperature quicker. Also helps free friction of parts due to the cold. Idle is adjusted by the cars computer and o2 sensors.

Posted on Jul 10, 2009

  • 1 Answer

SOURCE: High idling upon starting the vehicle

I have a 2001 Durango with the 4.7 and had the same problem. I changed the Throttle Positioning Sensor, and it has been good ever since.

Posted on Sep 26, 2009

pcdj64
  • 1150 Answers

SOURCE: how do i adjust the idle on my chevy impala just replaced throttle positioning sensor

did you disconnect the negative battery terminal before changing the sensor?

Posted on Sep 05, 2012

  • 536 Answers

SOURCE: idles high & throttle sticks sometimes when stopping

Sticking throttle. Clean and loosen the sticking parts.

Posted on Oct 08, 2012

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Gas pedal gets stuck and keeps the car going cant stop without turning the car off


dont drive it. find the cause and fix it now.
Hot and cold engine or BOTH>?
1995 Tracker, no tranny , no 4wd , on engine options stated.
Exact high RPM in neutral, not stated...... 1500 is normal cold.
keeps going in Neutral. (nah , you have 5 ways to stop any car.
key, hand brake, foot brake and neutral. and with 4wd, 1 more neutral.
keep that in mind driving any car.
this car has up to 3 throttle cables that can stick. and more!

1: floor mats hit the pedal>? ala. Toyota style (lawsuits)
2: the three cables are, throttle. , cruise and A/T transmission kick down cable. if car is M/T and no cruise it has 1 cable.
so disconnect it, throttle fixed? (disconn,. 1 by 1, bingo?

no cure?, then its not the pedal , you meant just high idle.
yes, replace the cable or bad parts three.
ok say its not the cables.. (tests proved that)
the 95 came with 2 engines, 8valves and 16valves,
they work differently (8v love so race, 16v loves to stall)

1: ISC Stuck open, common.
2: 8v, any air leaks at all , will cause super high idle speeds.
3: throttle valve in the throttle body is stuckopen (gunk) or the return spring broken (very very rare the latter,in fact never heard of one breaking)
4: IAC (thermal idle control stuck open ,(my 97 was). and lots more.
5: on the 16v it takes 2 failures. to make high idle.
gross rich running engine (cold engine its normal) and any air leak
once hot the engine can not race unless there is huge overfueling
and an air leak.
6: the 8v has this device on the side of the throttle body.
called a dash pot. its just a fast idle vacuum servo.
if stuck open the engine will scream full time....
7: ECU stuck in limphome, can cause too high idle speeds.

we need to know which engine
http://www.fixkick.com/find-parts.html
8v or 16v first.
then does the idle race hot or cold or both (engine temperatures)
if it races , then how fast?, RPM the dash tachometer tells you that.

it can be as simple as a 50cent hose cracked.
to a dead ISC. (idle speed control) IAC is thermal idle air controller.
the IAC must be closed on a hot engine,
if the the engine never gets hot,it will scream full time.

Feb 13, 2014 | 1995 Geo Tracker

1 Answer

What component controls high idle on cold startup on a 2000 chevy blazer?


The engine computer uses the idle air control valve in all temp ranges to control idle speed. The throttle plate could also be sticking open.

Jan 22, 2014 | Cars & Trucks

1 Answer

Rough idle


Sounds like a automatic choke sticking....Take the air duct loose from carb..While accelerating engine spray bottle throttle spray in.....as the car tries to die...stop spraying...Repeat 3 or 4 times.....It will clean your injectors. Runs alot better...Remember....bottle throttle spray...not carborator spray

Aug 12, 2013 | 2003 Chrysler PT Cruiser

2 Answers

High idle then low idle


just do induction / throttle body cleaning - will solve high idle on start up

Nov 12, 2012 | 2002 Chevrolet Impala

1 Answer

93 monty idles high then dies on cold startup


I would check the idle air control valve. The computer controls idle speed by regulating the amount of air entering the throttle body by using the valve. It could be sticking or failing.
I am assuming you have a 93 Monte Carlo.

Oct 04, 2012 | 1999 BMW 318 ti

1 Answer

Fast idle astro van


Check the base plate gasket under the throttle body, some time the gasket start to leak, and will cause a high idle, if possible with engine running get some water and pore it at the base of the throttle bode, you will hear a suction sound, that's the gasket, replace it.

Jul 14, 2010 | 1995 Chevrolet Astro

1 Answer

97 328i throttle sticking in high rev.


if the throttle plate is sticking clean it with throttle body cleaner with an old tooth brush. if still doing the same, it maybe the throttle position sensor is acting up. need more info to help. you at idle. starting up car. when hot or cold motor. best of luck

Aug 07, 2009 | 1997 BMW 318

1 Answer

Idle too high


The throttle linkage may be sticking. May have a vacuum leak at the intake manifold or with the hose connections.

Jan 01, 2009 | 1999 Ford Explorer

1 Answer

2001 Oldsmobile Silhouette surging


sounds like the idle air control motor is sticking , not sure what engine you have 3.4 litre ?? also you can ck the throttle plate right on top where the throttle cable bracket assembly part of that bracket holds down a vaccum line that has a rubber gromnet that after time leaks causing idle surge , hope this helps

Dec 19, 2008 | 2003 Oldsmobile Silhouette

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