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deltadog 03-29-2010 02:13 PM

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

Garyk 03-29-2010 03:48 PM

Check your sensors to make sure they are all connected properly and no vacuum leaks.

deltadog 03-29-2010 03:51 PM

I have checked vacum lines, trying to find the ISC sensor on this thing

Matthew94yj 05-12-2013 02:40 PM

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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