e4od code 99

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07-31-2005, 10:31 AM

sjl74

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e4od code 99

I was wondering if someone could help me with a code 99 epc circuit failure. The truck is a 1990 f-150 with a 5.0 and a e4od tranny. I was going down the highway and the OD light started blinking. The truck now runs like it is missing a few cyl. when it is in gear. I think it is stuck in a high gear. I scanned the truck and came up with a code 99 EPC circuit failure. Any help would be greatly appreciated. Thanks again sjl74

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07-31-2005, 11:35 AM

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