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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Is this normal??

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Old Jan 26, 2011 | 10:51 AM
  #1  
THE_SHOW's Avatar
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From: Wisconsin
Default Is this normal??

Changed the fuel filter, fuel module was replaced under warranty and new air filter
It ONLY does it at WOT 40-50mph around 5000 on the tach it hits a dead spot and then picks back up. Went to the dealer and had a tech drive my truck cause its DRIVING ME NUTS!!!! He drives it and tells me that its normal? REALLY???

I have an MBRP XP exhaust and K&N drop in filter.

thanks for the help
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Old Jan 26, 2011 | 02:21 PM
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dnlow's Avatar
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From: Phoenix, Arizona
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If the dead spot feels like turbo/supercharger lag, then yes I would think it is normal. My truck does the same thing, though I rarely go full throttle on the motor. The 5.4L is thirsty.
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