Question about 2003 Toyota Highlander

1 Answer

Engine won't idle

My 2003 highlander won't idle. the engine will only run if i keep my ffot on the pedal. after afew minutes of that then it work, but if i just do a normal start it won't stay in idle.

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Toyota Master
  • 1,861 Answers

The Idle Air Control (I.A.C.) valve is bad. This allows the vehicle to idle with no pressure on the pedal. Replace it.

Posted on Sep 12, 2008

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

My Toyota Highlander alarm keeps beeping at a few minutes to11am and 2pm without anyone touching it. I want it reset


Disconnect the battery ground for a couple of days.It will reset once you hook it back up.Otherwise,unplug the alarm from the system.

Apr 09, 2014 | 2003 Toyota Highlander

1 Answer

Car wont idle


There re few possibilities that can cause no idle issues.To troubleshoot the issue help links are provided below.Click the link below:---
Idle Problem? http://whatisbyme.blogspot.in/2012/05/2001toyota-corolla-idle-problem.html
---------
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-----------
Stumbling and stalling at idle after engine rebuild? http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

--------
Cooling fan Shuts OFF and Idle Drops? http://howtobyme.blogspot.in/2012/05/toyota-celica-cooling-fan-shuts-off-and.html

---------
Rough Idle and Vibration? http://whatisbyme.blogspot.in/2012/05/2006-ford-f150-rough-idle-and-vibration.html

---------
Steering Wheel Vibrates at Idle? http://whatisbyme.blogspot.in/2012/05/1993-toyota-corolla-steering-wheel.html

---------
Runs Fine But Idle Is Low? http://whatisbyme.blogspot.in/2012/05/2004-toyota-highlander-runs-fine-but.html

--------
Vehicle Will not hold Idle? http://whatisbyme.blogspot.in/2012/05/2003-lexus-es300-vehicle-will-not-hold.html

----------
Engine Idles Rough and Dies? http://whatisbyme.blogspot.in/2012/05/1994-lexus-es300-engine-idles-rough-and.html

---------
This will help.
Thanks.

Jul 17, 2012 | Cars & Trucks

1 Answer

How do i take 2003 highlander out of park when the engine doesn't start?


Hi! If you turn on the ignition and depress the brake pedal, the shifter should move whether the engine is started or not. If it does not release, have someone check to see if the brake lights work. If the brake lights do not work, you will likely not be able to move the shifter. If they do not, check the STOP fuse and see if it is blown. If you have NO power anywhere (no dash lights, etc) you can remove the small cover near the shifter (usually about10mm square) and depress the white button underneath. The shifter should come out of park at that point.

Feb 23, 2012 | 2003 Toyota Highlander

1 Answer

I have a 1987 Ford Tempo. The car has a hard time starting. When I get it start it won't Idle. You have to hold the gas pedal down and even then the car wants to surge. What do you think the problem...


This may be as simple as a bad idle air control valve which controls the idle , it may also be a weak fuelpump, i would first have the fuel pressure tested to make sure its good, then i would clean the throtlebody with cleaner and replace the idle air valve. the engine it must not be skipping due to a sparkplug or sparkplug wire, there are many things that will cause this. you will neeed to do some checking and make sure the engine is operating good, is you have a bad idle air control valve you should be able to hold the gas pedal a little and keep the engine running after a few minutes the engine should run okay with you holding the pedal , keep in mind this is a 1987 tempo i dont know how many miles are it or if the engine is in need of work but if this is whats happening then try cleaning the throtle and replacing the iac valve. good day.

Sep 24, 2011 | Ford Tempo Cars & Trucks

1 Answer

2003 toyota highlander will not idle, must keep foot on the accelerator to keep engine running. AS soon as my foot is removed from the accelerator the engine cuts off.


The first place I would look is the IAC motor (idle air control) usaully on throttle body and possibly dirty throttle body and one last thing could possibley be EGR valve exaust gas recir. as if it stuck open it will lean out engine.

Jan 24, 2011 | 2003 Toyota Highlander

1 Answer

Removed battery post now car won't stay started how do I fix it 2003 es 300


All you need to do is hold your foot on the gas pedal to start and hold to keep engine running, hold gas pedal for about 3 minutes then let idle, computer needs to relearn the idle speed thats why it stalls out, hope this helps,

Dec 07, 2010 | 2003 Lexus ES 300

1 Answer

Jeep wont run at idle. pump gas pedal to get it to start


have you tried cleaning the idle speed control valve? use this procedure.
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.

Aug 10, 2009 | 2003 Jeep Liberty

2 Answers

'03 Jeep Liberty starts weakly and needs gas pedal to idle


Turning over is what the starter does to the engine ...you can turn an engine over with no spark plugs in it...but you can't start it. Turning over is cranking .....the starter turns (cranks) the engine over (comes from when you had to put a crank in the front of the engine and crank it.)
Does it crank normally but has trouble starting???????

Jun 27, 2009 | 2003 Jeep Liberty

1 Answer

2003 toyota highlander. when starting it wont maintain idle.


Try to adjust the idle of the truck because there is a possibility the idle is low and if still not work put the gear in neutral and then start it and step on the gas pedals for 20 sec.

Jun 09, 2009 | 2003 Toyota Highlander

1 Answer

2002 highlander vehicle shut off


I am having the same problem with a 2002 Highlander, V6. I have read in other posts that the Idle Control valve may be to blame. I took out the throttle body and cleaned it out thoroughly. Solved some of the problem but it will occasionally be difficult to start when cold and I drive a short trip. I plan on replacing the idle control valve in the near future. I found a temporary fix is to turn on the car and keep the idle up near 2000 rpm for about a minute (allows engine to circulate oil) and then rev up the engine to about 5000 rpm a few seconds at a time. I am then able to drive off with minimal problems.

Nov 24, 2008 | 2002 Toyota Highlander

Not finding what you are looking for?
2003 Toyota Highlander Logo

Related Topics:

1,180 people viewed this question

Ask a Question

Usually answered in minutes!

Top Toyota Experts

yadayada
yadayada

Level 3 Expert

61037 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a Toyota Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...