First time to post great forum. I have a 98 xj that has a 4.0 in it. When I crank it it idles a little high and then when I starts to warm for a few mins. It will start surging and doing alot of rough idle. I have changed the map sensor and the plugs in it still didn't help. If ne body has ne advice please help me and let me knw. Thanks
Need helo xj surging
- Thread starter abarmore
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