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Hi everyone i just got codes p174 &p0401 on my 96

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Old 08-07-2015, 12:21 PM
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J.casone400
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Default Hi everyone i just got codes p174 &p0401 on my 96

the car starting running bad lastnight and two days ago i had one of the cats replaced the back one on the passenger side can anyone help
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Old 08-07-2015, 06:09 PM
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Z28KLR
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This ought to help you get started....

www.obd-codes.com/p0171
www.obd-codes.com/p0401

Read through those and hopefully will shed a little light on your issues. A better spot to post a thread on this would be the 1996-2004 4.6 section.
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Old 08-07-2015, 08:40 PM
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J.casone400
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Default Hi everyone i just got codes p174 &p0401 on my 96

Thank u
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