99 5.4 running bad

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Old Dec 29, 2009 | 08:53 PM
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orlmailman's Avatar
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99 5.4 running bad

Have not had truck long I am getting code p0133 before I was getting p0172.p0175,p1131,p1132and p1152 I have changed plugs put stock airbox intake tube back on cleaned the maf put on several new vacuum hoses coils all looked good and tested to within specs. I reset codes now I get the p0133 misses at idle and acceleration. any ideas appreciated thanks
 
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Old Dec 30, 2009 | 01:03 AM
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Check this post: https://www.f150online.com/forums/v8...-question.html
 
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Old Jan 3, 2010 | 08:58 AM
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update

I changed the o2 sensor precat on bank 1 it had a p0133 code I also changed the fuel filter now instead of a miss and hesitation at idle and acceleration it shakes like crazy on acceleration not sure where to look next any ideas anyone
 
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