# 2002 Jeep Wrangler - Rough idle and won't rev **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** jeep\ **Created:** [April 24, 2021, 6:11am UTC](https://community.cartalk.com/t/2002-jeep-wrangler-rough-idle-and-wont-rev/176341 "2021-04-24T06:11:27Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![RAFAELMARTINEZ](https://avatars.discourse-cdn.com/v4/letter/r/ee7513/32.png) [@RAFAELMARTINEZ](https://community.cartalk.com/u/RAFAELMARTINEZ)\ **Post date:** [April 24, 2021, 6:11am UTC](https://community.cartalk.com/t/2002-jeep-wrangler-rough-idle-and-wont-rev/176341/1 "2021-04-24T06:11:27Z")
Engine idle rough won’t past 2000 rpm ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [April 25, 2021, 7:24pm UTC](https://community.cartalk.com/t/2002-jeep-wrangler-rough-idle-and-wont-rev/176341/2 "2021-04-25T19:24:01Z")
You have a problem. Best I can tell you considering as much information in your 7 word post. Post WAY more information and we’ll try and help. ---
**Author:** ![PvtPublic](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/pvtpublic/32/13089_2.png) [@PvtPublic](https://community.cartalk.com/u/PvtPublic)\ **Post date:** [April 26, 2021, 12:12am UTC](https://community.cartalk.com/t/2002-jeep-wrangler-rough-idle-and-wont-rev/176341/3 "2021-04-26T00:12:50Z")
19 year old Jeep, I’m not surprised. ---
**Author:** ![Nevada\_545](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nevada_545/32/41232_2.png) [@Nevada\_545](https://community.cartalk.com/u/Nevada_545)\ **Post date:** [April 26, 2021, 4:14am UTC](https://community.cartalk.com/t/2002-jeep-wrangler-rough-idle-and-wont-rev/176341/4 "2021-04-26T04:14:13Z")
The symptoms suggests that the camshaft position sensor is out of sync. The camshaft position sensor is mounted on the oil pump drive shaft, if the shaft seizes, the housing will rotate placing the CMP sensor out of time. Inspect the oil pump drive shaft housing hold-down clamp for signs of movement.