Thread: NEW to the forums - Need help with 1999 ford f150 4.6 triton v8
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Old 07-01-2014, 08:55 AM
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70f100longbed
70f100longbed is offline
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Join Date: Aug 2002
Location: Raleigh USA
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Just unplug the DPFE and drive it. If it runs normal, then the DPFE is bad. From what you describe it almost sounds like clogged cat converters.
 
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