engine runs rough in 4th and 5th

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10-06-2005, 07:51 PM

Blakbat

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engine runs rough in 4th and 5th

Does anyone know why my v-6 88 4x4 would run fine through third gear and once in 4th, and the RPMs are under 2500, the engine would run rough. It is really baffling and I want to fix it. Having it miss in irritating to say the least. When in 4th, rough, shift to third and the RPMs rise to over 3000, it smooths out. Any Ideas?
Jeff