Ok I give up!!!!
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Joined: Sep 2003
Posts: 53
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From: Kelowna B.C Canada
Ok I give up!!!!
I have a 2001 f-150 4.6 auto tranny 4x4 ext cab. It runs rough at a idle and in gear. It has new plugs, fuel filter ,oil filter, air filter. Cleaned injectors, Maf sensore, O2 sensors cleaned look great. I geuss I have to bring it to the dealer unless you guys have some suggestions?????
Senior Member
Joined: Jul 2001
Posts: 297
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From: Triangle Area, NC
How rough? I have a new S'crew with a 5.4l. It shakes a bit at idle, in and out of gear also. In other words, I don't have to look at the tach to know its running, cause it shakes a bit. My '99 S'cab with a 5.4 had the same shake. so I consider it "normal". The dealer said it "could" be the K&N FIPK with the '99. So I gave up on having it looked at further.
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Joined: Jul 2002
Posts: 485
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From: Central Florida