2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 engine

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Back Fire under a load

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Old

Apr 18, 2008 | 07:54 AM

#1

50th ann

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Joined: Nov 2003

Posts: 263

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From: Royal Palm Beach, Fl

Back Fire under a load

I have a 2004 F-150 Reg Cab V-6 Automatic with 45,000 miles that will back fire if it's under any kind of load. It drives OK if I'm easy on the gas pedal but if I push it the engine will back fire untill I let up on it. Any help would be appreciated.

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Old

Apr 18, 2008 | 06:24 PM

#2

F0rdzTuff

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Joined: Feb 2008

Posts: 508

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From: Loveland, CO

Sounds like a timing issue.

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Old

Apr 18, 2008 | 08:23 PM

#3

moonlighter

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Joined: Aug 2007

Posts: 115

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I would check the sparkplugs and wires or [cop].

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