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Nov 7, 2007 | 03:00 PM

Fordtrucksrule!

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need advice!!!

I own a 2002 F-150 4x4 Lariat with the 5.4L. The truck started surging and farting around recently and the cel came on. I had the truck hooked up to my buddies code reader and I got back the following codes;1151,0401,and 1132. What should I check/replace??? Help!!!

Nov 7, 2007 | 03:16 PM

Big Bad

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P1151 - Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P1132 - Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1
P0401 - Exhaust Gas Recirculation (EGR) Flow Insufficient Detected

Nov 7, 2007 | 06:04 PM

chrisf250-460

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Check Behind Your Intake For A 90 Elbow Vacuum Line ,you Cant See It Without Climbing Over The Motor.my 1998 5.4 Had A Similar Problem-the 90 Had Ruptered In The Miiddle.

Nov 7, 2007 | 07:16 PM

superdutymj

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From: La Crosse, Kansas

Had the same thing happen on my 99 V10, same elbow to blame. The lean/rich codes are from the computer trying to compensate for the vacuum leak. 10-1 this is your problem. Good luck!

Nov 8, 2007 | 01:54 PM

Fordtrucksrule!

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thanks for the responces!! If it does turn out to be theis 90 degree elbow you are speaking of, where can I get a replacement? A Ford dealership? Thanks again!!!

Nov 8, 2007 | 06:53 PM

chrisf250-460

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Yes, they have it. good luck.

Dec 17, 2007 | 11:53 AM

Fordtrucksrule!

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Does anyone here know what this 90 degree elbow is listed as? What should I ask for a t the Ford dealer? What is it connected to behind the engine? So many questions so little time!