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97 gt smog problems

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Old 04-02-2013, 05:40 AM
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zzwoodzz
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Default 97 gt smog problems

i have 1997 mustang GT 4.6 liter 5 speed tring to get it ..say's that #1 And #2 Banks Are Lean.changed O2 sensors #1 upstream #2 downstream both cats,fuel filter, fuel cap, egr sensor, evap,Pcv,change oil but still same codes. don't know what else i can do.
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Old 04-02-2013, 01:23 PM
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JC316
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Check for vacuum leaks.
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