1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Cai

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Oct 9, 2011 | 12:33 PM

#1

Thbaseball9

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From: South Carolina

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Cai

Just installed a k & n cai on 2002 f 150 4.6 and at idle it is thumping really loud and when slow down can someone please help me

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Oct 10, 2011 | 02:57 PM

#2

garbill2003

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From: Dubois Pennsylvania

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More details what do you mean by thumping

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Oct 12, 2011 | 09:10 PM

#3

Thbaseball9

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From: South Carolina

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Figued it out was idle air control valve

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