Question about 2002 Toyota Avalon

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Will not run on low idle

2002 Avalon will not run on low idle

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Two possible problems. Either you have a partially plugged fuel filter or the Idle air control is dirty or malfunctioning and should be replaced.

Posted on Jul 31, 2010


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My 2002 Toyota Avalon Idle above 1500 rpm when it's on natural how can i bring it down to 900 or 800 rpm thanks.

Run the engine, till you come to the average temperature, and stop the engine. Remove the negative battery wire & leave it for 1 minute & fix it back, to reset the ECU.
Clean the throttle body.

Jul 18, 2017 | Toyota Cars & Trucks

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I have a 2002 Toyota Avalon that I purchased new that now has 295000 miles and has developed a fast idle condition at start up that idles between 1500 and 2000 rpm. It will not return to normal idle u

If you have not run the fault codes then that would be a good place to start. It will save you money as it will pinpoint the failing sensor.

Nov 04, 2014 | 2002 Toyota Avalon

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My 2002 toyota avalon idling low..when I remove my foot from the brake my car shuts down

i would start by cleaning the throttle body...there is a hole in the bottom of the throttle that you can fill up with some throttle body cleaner and do this a couple of times....what you are doing is trying to clean the idle control valve that is mounted to the bottom of the throttle body....the idle control valve is what is causing this problem and over a period of time it will get carbon built up on it and cause it to stick and either have a low idle and die or a high idle that will not come help you locate the idle control valve it has one electrical connector.two small coolant hoses.and one vac. hose going to it and is located on the bottom of the throttle body and sometimes you can take a 3/8 extension about 2 ft long and tap on the idle control valve to unstick it but it probably want last to long.....try to clean it first and tap on it if the idle still isnt doing right and if it keeps on acting up you will need to replace it.......this is a common problem....if you need more info let me know and i hope this will help you....also if you could let me and fixya know if i was able to help you in any way......thanks and good luck.....have a blessed day......

Aug 08, 2011 | 2002 Toyota Avalon

1 Answer

Car dies at start up then runs after several attempts

could be #1 bad fuel injector #2 bad fuel pressure regulator #3 bad fuel pump #4 bad air idle control valve any one of these could be the problem

Oct 12, 2009 | 2002 Toyota Avalon

1 Answer

1996 toyota avalon 6cylinder engine code p1705 what is the code meaning

That is the code for a problem with the throtle position sensor . this may not be the problem with the car, but something is effecting the way the TPS is performing. (you could get a high low idle, rough idle)

Sep 10, 2009 | 1996 Toyota Avalon

1 Answer

Low idle engine shudder in 2003 Toyota Caldina 2.0L

Is the check engine light on? If it is, take the car to an autoparts store and have them use a scan tool to retrieve any fault code(s) that are stored in the computer. Most parts stores provide this service at no charge. The codes will help identify the problem. I would suspect a faulty Idle Air Control valve. It is on the throttle body and provides info to the computer that is used to regulate engine idle speed. That is just speculation. The code or codes will help narrow down the problem. Hope this helps and best wishes.

Jul 24, 2009 | 2002 Toyota Avalon

1 Answer

2002 Toyota Avalon XLS will start but but out after a few seconds

You're Iac is sticking because of carbon build up. The usual fix is a new one.

Jun 21, 2009 | 2002 Toyota Avalon

2 Answers

2001 Toyota Avalon quits when at idle

Just had the same problem on the 2002 Avalon. Pulled the throttle body off and removed and cleaned the Idle mixture control valve which was caked in deposits. Runs like new now. About 2 hours of work or less. Common problem with this model I heard. Hope this helps. Some one gave me this info over a year ago and I finally got around to doing it.

May 28, 2009 | 2001 Toyota Avalon

1 Answer

Idle too low on hot starts 2001 Avalon

Sounds like you idle air control valve is going bad. They start acting up on a hot engine due to sticking or high resistance through its internal windings. It will get to the point where the engine will stall every time you take your foot off the gas.
I suggest getting it replaced and the throttle body cleaned at the same time since it will need to be removed to replace the IAC.

Apr 09, 2009 | 2001 Toyota Avalon

1 Answer

Lurching at low speed take off

I would start by cleaning the inside of the Mass Air Flow sensor, dirt gets on the sensor element from the air going through and causes these kinds of problems, a company called CRC makes the spray cleaner for MAF's, any good auto parts store will have it, the MAF is located in the air intake hose to the engine. Another thing to check is the throttle valve and air bypass idle speed control valve for sludge, use the following procedure I have written to perform this.
Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Dec 04, 2008 | 1997 Toyota Avalon

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