1994 Jeep YJ Idle Problems - Jeep Wrangler Forum

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Old 03-29-2010, 01:13 PM   #1
Join Date: Mar 2010
Location: Nettleton, MS
Posts: 9
1994 Jeep YJ Idle Problems

I just had my 2.5 rebuilt, but now I am having idle problems. Sometimes it idles great and sometimes its ruff and the tach goes to zero, also if its hard to start then you can bet it will be idling on zero, if it starts right up, then the idle will be on about 800-900. Any suggestions, thanks
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Old 03-29-2010, 02:48 PM   #2
Join Date: Jan 2010
Location: Las Cruces, NM
Posts: 2,303
Check your sensors to make sure they are all connected properly and no vacuum leaks.

(Sold)1994 Jeep Wrangler 2.5L, Bestop top
/w steel half door and slider windows
5 speed, 2.5" lift, 31" tires,rack lights
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Old 03-29-2010, 02:51 PM   #3
Join Date: Mar 2010
Location: Nettleton, MS
Posts: 9
I have checked vacum lines, trying to find the ISC sensor on this thing
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Old 05-12-2013, 01:40 PM   #4
Join Date: May 2013
Posts: 7
I’m having the same problem with mine, 1994 YJ 2.5. Did you ever get the problem fixed or diagnosed? Thanks! Matt
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