Question about 1997 Plymouth Voyager

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Idle air control valve my voyager is idling at 1500 in neutral and 900 in gear. The a/c isnt working either even though its gassed up? The intrument buttons keep flashing and eventually stop. I'm undecided whether to swap out the ICV or the ECU or both? Any idea's

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  • Plymouth Master
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Before you waste money ,run the fault codes . The ac will not work if it is over gassed or the fan in front of the condenser is not working ( high head pressure switch shuts down the compressor.. You may find a idle speed sensor -MAF/MAP sensor is faulty.

Posted on Feb 16, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1998 Plymouth Voyager

I had the same problem. I changed out the idle air control valve and that solved the problem. Somehow the electrical connector fried out some of the pins.

Posted on Dec 22, 2008

  • 3600 Answers

SOURCE: my 2000 plymouth voyager idles fast and Erratic, I

You may have build up in the intake where the throttle plate is, so it would have to be cleaned and the egr valve could be stuck or the purge canister may be defective. It could be a vachum line off the engine somewhere or even loose intake bolts or the egr valve is malfunctioning and needs to be replaced and or cleaned.

Posted on Aug 30, 2009

Testimonial: "The feedback give me ideas as to what to check on the van. really appreciate it."

  • 37 Answers

SOURCE: 96 plymouth voyager idles rough and dies also dies

HI BEFORE U SPEND ANY MONEY CHECK ALL OFF THE AIR INTAKE SIDE OFF ENGINE EVEN SERVO PIPE FOR LEAKS MOST COMMON THING ON THIS TYPE OFF FAULT

Posted on Oct 22, 2009

BCAS1298
  • 3092 Answers

SOURCE: how do you replace the idle air control valve on a

Bolts up to the side of the throttle body where the in take air duct come from your air filter. held on by two small bolts, has four pins and round short cylinder looking.

Posted on Jan 07, 2010

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1 Answer

Why does my 2004 buick rendezvous idle at 3000 rpm and put in gear it drops to 1500 rpm and shifts hard while driving due to high engine speed?


Stuck throttle plate . gummed up with varnish or a problem with IAC valve . IAC - idle air control valve ! Videos on youtube , how they work how to clean . Idle Air Control Valve Could have unmetered air entering the engine pass the MAF sensor , a bad MAP sensor ! I would check the throttle plate first , if dirty clean it . Then check IAC valve if not the throttle plate . GM Idle Air Control IAC Function Diagnostics and Repair

Dec 14, 2016 | Buick Cars & Trucks

1 Answer

2000 Ford Contour SVT engine idles high (revs) when driving


It sounds like a faulty idle air control valve. The computer uses the valve to control idle speed by regulating the amount of air entering the throttle body. Its possible the motor inside the valve is weak, or the valve is gummed up. I would unplug the valve when base idle is near normal and drive it for a day or two. If the valve is the problem the idle speed should stay in one place. And it should set a trouble code for the valve being disconnected.

Jul 04, 2013 | Cars & Trucks

1 Answer

Why does my mazda millenia ildle so high and theres no check light on


The most simple reason is a vac leak or a faulty idle air control valve.
The computer controls idle speed by the amount of air allowed into the throttle body.
The throttle plate could be stuck open, or the idle air valve could be stuck, or you could have a large vac leak.

Feb 22, 2013 | 2000 Mazda Millenia

1 Answer

1993 1500 truck 5.0 high HC at idle


It can be issue with IAC( idle air control valve) causing the problem.


There are many other possibilities causing these idle issues. Engine idles rough.

There are few help links with solutions to troubleshoot such idle issues.

I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

-----------

Stumbling and stalling at idle after engine rebuild?

http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

------------

1999 Ford F-150 Idles rough and quits when gas pedal is pressed less?

http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

---------

Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------

Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

-----------


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

-----------

GMC Sonoma Stalls and idles low

http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html

--------


GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

-------------

1996 Camry intermittent engine failure while idle?

http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

------------

Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

-----------

Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

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High Idle Problem

http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html

-------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

--------

High rpm in neutral? Inconsistant high RPM in neutral?

http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

-------

Vehicle stumbling at idle and shows code 54?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

----------

Rough idle, staling and Erratic shifting?

http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

-----------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

These details will help.

Thanks.

Dec 06, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

Truck cranks great . idles great but when in gear and u take off at about 2000 rpm it bogs down as if out of gas , let off gass and it idles great again ! but it isnt the fuel filter.


Could be low fuel pressure, or a problem with the throttle position sensor or the mass air flow meter if equipped.
Could also be something with the EGR valve or a vac leak.

Sep 24, 2012 | 1989 Toyota Pickup SR5

2 Answers

Why does my 1993 chevy 350 idle so low?


First clean the idle air control valve with a non-chlronated brake cleaner or replace it with a new one.If that did'nt help check your fuel pressure it should be 9-13 psi with the engine running anything less you will need to replace the fuel pump and fuel filter.

Oct 29, 2011 | 2003 Chevrolet Suburban 1500

2 Answers

Need to adjust my idle how do i do that


air idle control valve, I dont belive you have a ideler set screw..I do belive the problem is what I have Listed..........Best of luck


How can I tell if I need a new air idle control valve?
If your car has a rough idle or the idle cycles up and down, then chances are that you have a bad idle control valve. On modern vehicles, the purpose of the idle air control valve is to regulate your idle, and keep the idle smooth. The idle valve is controlled by the ECU or the computer, and when in gear the idle should be between 800 and 1000 rpm, and not in gear, between 700 and 900 rpm

Dec 02, 2010 | 1999 Oldsmobile Alero

2 Answers

I have a 1992 Chevy pick up 1500 series. 350 engine. The idle is running low on it, were and how can I adjust it?


If the vehicle has a automatic transmission, check the Neutral Safety Switch. If defective from wear it could be sending incorrect signals to the Electronic Control Module which in turn sends signals to the Idle Air Control. It will make the computer think the transmission is in gear and lower the RPMs and then when the transmission is actually in gear the physical load will lower the RPMs even more. To check, set the parking brake and move the gear selector to Neutral and check the RPMs to see if the engine maintains a constant 650 +/-. Next, shift to Drive and check if RPMs drop to and maintain 500 +/-. If it does then you have diagnosed the problem. The original equipment Idle Air Control motors rarely wear out.

Aug 05, 2010 | 1992 Chevrolet K1500

3 Answers

Rough idle on 1990 saab 900 convertible, 16V


Because the car has adaptive technology, it may take a while to reset and adjust to the new, cleaner and better conditions than those to which it had previously adapted.

Did you change the cap and rotor? if the plugs needed replacement, likely they do too

Possible other causes include:

loose or corroded connections to any electrical component you disturbed (make a checklist and tick them all off as you check them);

mis-reinstallation of any F.I. part disturbed(checklist again)

obstructed water flow through the AIC valve;

improper voltage output from the AIC valve (for LH 2.4 systems, should output 8 volt at idle, dropping as load increases; for LH 2.4.2 system output 7 volt at idle etc; testing between terminals)33 and 17 at disconnected LH connector;

possible problem with MAF.

Hope this helps

Saabreur







May 16, 2009 | 1990 Saab 900 Hatchback

1 Answer

Idle too high +goes higher when put in gear (manual transmision


IAC valve problem. Nissan has a updated harness (with one way diode inside of the harness) to prevent backfeeding for the IAC valve and a new IAC valve also gets installed. That's where I would look. IAC valve or "idle air control" valve.

Aug 23, 2008 | 1998 Nissan 200SX

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