Engine hesitates, hesitates, coughs, sputters and loses power
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1991 Jeep Wrangler Question: 1991 wrangler 4 cylinder....idles fine but loses power when driving
Answer #1patrick mannion from Greg Solow's Engine Room, October 23, 2011, 23:55Master
It could be many things, unfortunately and without experiencing the problem first hand or being able to do some basic diagnostic tests its hard to say. Check the basics first, look for vacuum leaks, make sure the plugs and ignition system are in good order, make sure you have adequate fuel pressure and volume.