Question about 1993 Lexus Es 300

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Idle problems 1993 leus es300

Car drives and runs down the road fine. But as it warms up and idles down it runs as thought it is missing. But as soon as you give it any gas it goes away, run normal. It only does it under 1000rpms at idle, no gas pedal aplied at all.

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  • Paul Kloepfer Feb 13, 2009

    i have a clicking noise when the motor is running, but it's not the timing belt.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

junit80
  • 81 Answers

SOURCE: After replacing battery engine won't idle.

SOUNDS LIKE THE SECURITY SYSTEM ON THE CAR NEEDS TO BE RESET SOMETIMES THIS CAN BE DONE BY CYCLING THE KEY BACK AND FORTH IN THE IGNITION 3 TIMES THEN START IF THIS DNT WORK THEN CHECK WITH YOUR LOCAL TOYOTA DEALER FOR DETAILS

Posted on Jun 24, 2009

  • 6 Answers

SOURCE: 2002 Lexus RX 300 stalls

There is another post that I answered that is the same thing. You need to clean your IACV. See other post for details!

Posted on Jul 20, 2009

  • 18 Answers

SOURCE: My 2000 lexus es 300 idles between 2000rpms &

I also have a 2000 ES300 and I had the same problem where it would idle so low to the point of stalling and sometimes it would. Its not the throttle body that is causing the problem its the idle air control valve attached to the front bottom of the throttle body against the firewall thats the problem. After so many miles it becomes dirty and clogged. Only seems to be an issue on 2000 and 2001 vehicles with the Twin Throttle body. To fix remove the rubber throttle body hose closest to the firewall( if standing facing the driver side fender its the throttle body on the right hand side) once you remove the hose you'll see a hole in the bottom of the front part of the throttle body. Obtain a can of throttle body/air intake cleaner and using the straw that comes with the can insert into the hole(you can use force, you'll feel the straw flex around a bend in the hole) and generously spray into hole repeatedly. I recommend using an air duster and straw inserting in hole to blow out excess dirty fluid in between and than spraying cleaner again into hole moving straw in and out going deep as you can go with the straw. (normally about an inch or so) After your finished leave the last dose of fluid in the hole to flush through when you start the car.Rconnect hose, tighten screw clamp, start car, and go drive for a mile or so.I had to use about 1/4 of the can to clean. If you notice the problem return repeat the procedure. I had to do this about twice before the problem stopped reoccurring. This will NOT damage anything in your car. If the car wont start due to hydro-lock, DON'T panic. Just keep trying to start car pumping gas it WILL start and wont damage car. You might notice fumes and/or smoke coming from the tail pipe as well. This is also normal and will only last a few minutes or so depending on how dirty it was to begin with. If you like you can also use some Sea Foam Deep Creep. The product will be double to triple the price of the throttle body cleaner though.

Posted on Jul 22, 2009

  • 3600 Answers

SOURCE: 96 lexus ls400. Car idles to high and sounds

The first thing I would do is remove the hose connected to the intake and see if there isa lot of blackish brown buildup on the plate, if there is you need to buy some top engine cleaner and with a tooth brush clean the throttle plate on the back side and also the pipe that it sits in. Over time Gum builds up from back fires that you can't feel and causes the plate to open up and gradually will cause this problem.
Check this first and if you find that it is dirty then let me know and I will tell you how to do a top engine clean to get it running better, I do this in a order that won't cost you as much. If there is build up in the engine it will also cause the engine not to get good fuel mileage. Check this first and let me know so I can help you save money, you can do the top engine clean yourself. As far as sensors go I do the simplest things first before moving on to the sensors.

Posted on Sep 01, 2009

  • 40 Answers

SOURCE: 96 lexus ls400. Car idles high and runs rough

It could be a idle air valve, a loose, unplugged or missing vacuum hose or a throttle position sensor.

Posted on Sep 17, 2009

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97 3.9 dakota when it's cold outside and I start my truck it'll start right up but idle down til it quits . Start it again and it will idle.. Go down the road and it misses bad until it warms up. After it...


Here are the most common causes of idle surge, rough idle esp when cold and stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) 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.

Jul 09, 2017 | Cars & Trucks

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
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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

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

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

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

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

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

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

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This will help.
Thanks.

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1 Answer

Idles irratic and runs rough down road after warmed up


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