Question about 1993 Jeep Cherokee Country

2 Answers

High idle on 93 jeep yj 4 cly no vaccum leaks

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  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    ill look at the throty thanks...just a friends yj that over heated ...after fixing that problem its been over reving

  • mboot_com Sep 12, 2009

    lol dident know it sent pressed post to many times

  • Richard Scordino May 11, 2010

    Cleaned the throttle body out with carb cleaner?

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2 Answers

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  • Jeep Master
  • 2,359 Answers

Don't forget to check/test the coolant temperature sensor.

The computer (ECU) check the resistance value from the coolant temp. sensor.

If it's out of range then the computer (ECU) will not idle down the rpm.

Also check the condition of the wiring lead from the sensor to the firewall.

Posted on Dec 03, 2009

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  • Master
  • 677 Answers

This could be a few different things;1.Sticking throttle linkage.2.The choke may be not adjusted properly or sticking.3.The idle adjustment may be wrong.4.Somtimes valve clearances may bring the idle up.Check the throttle sticking and the auto choke first.These are the most common.Hope this helps

Posted on Sep 12, 2009

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