Question about 1998 Lexus ES 300

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1999 lexus es300 hesitation while driving

Changed spark plugs n still hesitating while driving,sloes down then speeds up

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  • Lexus Master
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Check the ignition system,when one of these goes out it take out another cylinder,you hhave a misfire,1999 lexus es300 hesitation while driving - 12_9_2012_6_06_31_am.jpg

Posted on Dec 09, 2012

  • butterfli914
    butterfli914 Jun 04, 2013

    Not to sound uninformed about cars, just foreign cars, but what is that exactly?

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Posted on Jan 02, 2017

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keithheavili
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SOURCE: hesistaton at idle speed. how many ignition coils are used in a 98 lexus es300?

I looked it up on AutoZone.com and it looks like there is only one coil.  You can verify that by giving them a call.  However, to me it sounds like you might be having a problem with your idle air control valve.  Since you are only having problems when the vehicle is at idle I would take a look at your IAC.  It is located on the throttle body and is usually held on by two screws.  When the IAC starts to go bad you will have problems with the vehicle when idling.  Let me know if you have any other questions.  Thanks for rating my response and for using FixYa!

Posted on May 25, 2009

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The flexible accordion hose that connects the MAF to the throttle body might have a small crack in it. They are sometimes hard to see, especially if in the accordion folds or underneath. Starting off or going uphill will result in enough torque to lift one side of the engine enough to open the crack and cause hesitation.

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Hesistaton at idle speed. how many ignition coils are used in a 98 lexus es300?


I looked it up on AutoZone.com and it looks like there is only one coil.  You can verify that by giving them a call.  However, to me it sounds like you might be having a problem with your idle air control valve.  Since you are only having problems when the vehicle is at idle I would take a look at your IAC.  It is located on the throttle body and is usually held on by two screws.  When the IAC starts to go bad you will have problems with the vehicle when idling.  Let me know if you have any other questions.  Thanks for rating my response and for using FixYa!

May 25, 2009 | 1998 Lexus ES 300

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