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Old 11-28-2011, 10:01 AM   #1
Join Date: May 2011
Posts: 6

I have a 1997 Jeep Wrangler 4.0 engine. This jeep misfires for the first 60 sec after starting, then runs fine after that. It has a new fuel pump and tune up. Any suggestions on what might be causing the misfire.

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Old 12-03-2011, 04:15 PM   #2
Join Date: May 2011
Posts: 6
Someone said it needed a new fuel regulator on the end of the fuel rail, but we can't find this. has anyone ever had this problem of misfires the first 60 sec and then running fine.
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