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Old 11-18-2020, 02:06 PM
amancuso amancuso is offline
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4.8is intermittant loss of power while accelerating

The 4.8is started doing this yesterday while applying light throttle at stop lights to reach about 45 mph. It's not consistent and does it at odd times. It did it twice yesterday and today it did it while cruising at about 65 on the highway. It's not constant. No CEL. Some folks have mentioned fuel filter, fuel relay and fuel pump. Someone even mentioned the IVM. What are your thoughts?
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2004 4.8iS
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