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How to clean iac valve - 1992 Toyota Camry V6

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Use throttle body and air intake cleaner and a wire brush. Don't forget to clean your pcv valve and EGR valve.

Posted on Jan 04, 2011

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Low idle


remove and clean the Idle air control (IAC) it may have carbon build up in it. make sure pcv valve is working properly. you can use carb cleaner to clean IAC valve. after IAC is removed, clean at throttle body side also. good-day!

Feb 27, 2014 | 2004 Chevrolet Colorado

1 Answer

How to clean the idle air control motor


You need to remove iac valve from the throttle body.The iac valve located on throttle body.Be careful while removing iac valve,its spring loaded, so you dont loose any spring.As the spring may jump out.You will need throttle clearer or you can use electric cleaner or brake cleaner liquid.Its easily available at local auto parts store. ------- For more details about diagrams and how to clean iac valve, click the link below:--- http://whoisbyme.blogspot.com/2011/10/how-to-clean-idle-air-control-valve-on.html ---------- This should help.Thanks.Helpmech.

Oct 13, 2011 | 1999 Mazda 626

1 Answer

I changed the throttle and still got the p507 and the car still revs up when parked..now what??


Hi.

If you are referring to P1507 (poor idle), check the IAC valve. That is usually behind the problem. Clean IAC valve using carb cleaner Check the parts comprised in IAC system (valve, connector, wiring, solenoid). Use the carb cleaner also to clean throttle body. Check that everything is OK in the air intake (no broken parts) and try replacing filter.

Sometimes it is difficult to test in full the IAC valve. Try performing the general testing described summarily here. If that does not reveal any problem but still is very low, clean throttle body, MAF and air intake temperature sensors, replace air filter, check air intake and finally get back to IAC valve and replace it.


Below a diagram showing the IAC valve in the 4 cylinder engine. Position is slightly different in the six cylinder:

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Sep 07, 2011 | 2002 Nissan Altima

3 Answers

Need to fix p1504 code on lincoln zs v8 2001


P1504 Idle Air Control Circuit Malfunction, take off the idle air control and inspect the inside. the pintle inside can get dirty and cause it to get stuck. try cleaning it out with some brake clean and see if it helps. dont spray it ont he electrical connection though.

Aug 05, 2011 | Lincoln LS Cars & Trucks

1 Answer

How i clean Idle Air Control (IAC) Valve


well, first of all remove from vehicle. most iac have 2 torx screws to remove it. use an old toothbrush or similar to clean it. do not put body of iac in any liquid or it will ruin it. just clean valve on end of iac. also do not push on iac valve, because it will mess up idle of vehicle. just clean the valve on end to remove carbon build up and dirt. you can use brake cleaner or throttle body cleaner for this. it is also a good idea to clean around throttle plate to remove carbon on throttle body itself. but do iac first and put back on throttle body. have a good day!

Jan 21, 2011 | 2000 Jeep Grand Cherokee

1 Answer

Idles high what can i do.


Get the IAC valve checked.Remove the Iac valve from the throttle body. It is on the side facing the front higher than the tps sensor. It has a 4 wire connector. Make sure this is clean. If it is dirty/dusty then clean it. This valve controls the idle speed. After cleaning it turn the ignition on with the engine off. The Iac should move in and out to find the stops. If it does not move you have either bad wiring, Iac or pcm. Most likely is Iac.
-------- For safety measures,before removing the IAC make sure you don't have any vacuum hoses unplugged. Next make sure the throttle blade closes all the way.Iac is short for idle air control valve. ------- Thanks.Helpmech.

Nov 13, 2010 | 2000 Cadillac DeVille

1 Answer

Diagnostics test says idle air control underspeed error? how do i fix 1999 ford explorer


change the idle air control valve.

Idle Air Control (IAC) Valve OPERATION The Idle Air Control (IAC) valve controls the engine idle speed and dashpot functions. The valve is located on the side of the throttle body. This valve allows air, determined by the Powertrain Control Module (PCM) and controlled by a duty cycle signal, to bypass the throttle plate in order to maintain the proper idle speed. Fig. 1: Typical Idle Air Control (IAC) valve which is mounted to the throttle body - cutaway view shows air bypass direction 89684g16.gif
--- REMOVAL & INSTALLATION
  1. Disconnect the negative battery cable. To remove the IAC valve, first disconnect the negative battery cable, then the IAC wire harness plug 89684p03.jpg
    Next, remove the two IAC valve attaching bolts . . . 89684p04.jpg
    . . . and pull the valve from the intake manifold 89684p05.jpg

  2. Disengage the wiring harness connector from the IAC valve.
  3. Remove the two retaining screws, then remove the IAC valve and discard the old gasket. To install: When installing the valve, always discard the old gasket and install it using a new one 89684p06.jpg

  4. Clean the IAC valve mounting surface on the throttle body of old gasket material.
  5. Using a new gasket, position the IAC valve on the throttle body. Install and tighten the retaining screws to 71-106 inch lbs. (8-12 Nm).
  6. Attach the wiring harness connector to the IAC valve.
  7. Connect the negative battery cable.
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Oct 15, 2010 | 1999 Ford Explorer

1 Answer

How do i remove and clean the IAC


Operation

The Idle Air Control (IAC) valve adjusts the engine idle speed. The valve is located on the side of the throttle body. The valve is controlled by a duty cycle signal from the PCM and allows air to bypass the throttle plate in order to maintain the proper idle speed. Do NOT attempt to clean the IAC valve. Carburetor tune-up cleaners or any type of solvent cleaners will damage the internal components of the valve.
The Idle Air Control (IAC) valve adjusts the engine idle speed. The valve is located on the throttle body. The valve is controlled by a duty cycle signal from the PCM and allows air to bypass the throttle plate in order to maintain the proper idle speed.
Removal & Installation

  1. Disconnect the negative battery cable.
  2. Detach the IAC solenoid connector.
  3. Remove the two retaining bolts and remove the IAC solenoid and gasket from the throttle body.
  4. Installation is the reverse of the removal procedure. Use a new gasket and tighten the retaining bolts to 71-97 inch lbs. (8-11 Nm).

Nov 28, 2009 | 1999 Mercury Grand Marquis

1 Answer

I need to know where the idle adjustment screw is on a 92 Saturn SL1 and what wrench to use.


its located on the throttle body connected to your air intake manifold where your throttle cable connects on the throttle body there is a adjustment screw connected there

Nov 03, 2009 | 1992 Saturn SL1

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