# 1993 Jeep Grand Cherokee

**URL:** <https://community.cartalk.com/t/1993-jeep-grand-cherokee/1135>\
**Category:** Maintenance/Repairs\
**Created:** [June 30, 2007, 7:53pm UTC](https://community.cartalk.com/t/1993-jeep-grand-cherokee/1135 "2007-06-30T19:53:33Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![JCarocari](https://avatars.discourse-cdn.com/v4/letter/j/ac91a4/32.png) [@JCarocari](https://community.cartalk.com/u/JCarocari)\
**Post date:** [June 30, 2007, 7:53pm UTC](https://community.cartalk.com/t/1993-jeep-grand-cherokee/1135/1 "2007-06-30T19:53:33Z")

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Car runs ok but has very rough idle. Replaced the idle air control motor. Still no good. Good compression in all cylinders.

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [June 30, 2007, 8:36pm UTC](https://community.cartalk.com/t/1993-jeep-grand-cherokee/1135/2 "2007-06-30T20:36:23Z")

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How about other maintenance items like air filter plugs and wires

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**Author:** ![JCarocari](https://avatars.discourse-cdn.com/v4/letter/j/ac91a4/32.png) [@JCarocari](https://community.cartalk.com/u/JCarocari)\
**Post date:** [June 30, 2007, 9:41pm UTC](https://community.cartalk.com/t/1993-jeep-grand-cherokee/1135/3 "2007-06-30T21:41:09Z")

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All of the normal stuff has been done. Could this be a plugged catalytic converter?

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**Author:** ![system](https://global.discourse-cdn.com/cartalk/original/3X/1/d/1d47c66a543aa6c5a7873bb2320858f978ff52ed.png) [@system](https://community.cartalk.com/u/system)\
**Post date:** [July 1, 2007, 5:28pm UTC](https://community.cartalk.com/t/1993-jeep-grand-cherokee/1135/4 "2007-07-01T17:28:06Z")

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no try cleaning the throttle body and mass air flow sensor and check for vacuum leaks.