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Old 06-11-2011, 11:05 AM
GABeck82 GABeck82 is offline
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Join Date: Jun 2011
Posts: 1
Angry under-load Misfire??

I have a 94' 4.0L V6... I've replaced plugs and wires about 15,000 miles ago, just replaced the fuel pump yesterday, I am getting great fuel pressure. Problem is sometimes it has a rough idle at start up, but the major issue is once the engine is hot and I'm cruising at 35mph it starts to "jump" like its a misfire same thing happens when I cruise at 45 mph. I put it in neutral while coasting and it revs up just fine, it only happens when its under a load... Any suggestions? I would like to get it fixed quickly for my brother-in-laws graduation present.
94' 4.0L V6
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