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5.4 Triton

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  #1  
Old 06-18-2013, 12:47 AM
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5.4 Triton

Whats up fellas I have an 03 F-150 5.4 triton V8. Engine is misfiring and I cant figure out what exactly my problem is. It happens randomly any way I drive. If anyone could point me in the right direction or help me narrow down my problem id appreciate it.
Thanks, Nick
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Old 06-18-2013, 02:59 AM
glc
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How many miles on the truck? How many miles on the spark plugs, and what brand are they? Have any of the coils ever been changed? No CEL? Have you checked for codes?
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Old 06-19-2013, 12:22 AM
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It has 206k miles and between 20k and 30k on my plugs and I have changed cylinder 1 coil pack. have not had a CEL at all and I havent been able to pull any codes at all either.
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Old 06-19-2013, 11:10 AM
glc
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What BRAND are the plugs?

I'd put a bottle of Techron in the gas. If the injectors are dirty this will help clean them.
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