this started after someone try to tune it up and it has drop gas mileage
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1991 Jeep Wrangler Question: 2.5 engine cold start up rough running for about 1minute then runs fine, why?
Answer #1Greg's Orange Auto (12933 Answers) , Orange, CA - (714) 361-9386globalhelper January 18, 2013, 06:27Master
sounds like fuel issue.poss vac leak or floodling condition cold.
Replybella rose, January 18, 2013, 14:42Rookie
I'll check vac. line again. Did have fuel pump replace not to long ago but this was happening before that.
Recheck vac. line found one crack in tee. still rough at cold start-up, I am talking temp at 40 or lower.