left bank lean - Mustang Evolution

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Old 09-17-2007, 06:05 PM   #1
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left bank lean

Hi everyone ,my 98 with dual exhaust has check engine light on. When i had it checked out scanner said left bank running lean.mechanic
ran real time test and said left o2 sensor working but always sending lean signal.have had car about 6 months and light has always been on.mechanic said may have small hole in exhaust causing problem.does anyone have any suggestions.roll tide
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Old 09-17-2007, 07:42 PM   #2
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Re: left bank lean

I have the same problem come up with my car all the time. I would spot weld the hole first and see what happens.

Sinister Six
1998 3.8L V6
Done So Far:
~CAI, True dual exhaust, UDPs, MGW Shifter, H&R springs, Stage 1 & 2 supension kit, performance rotors & pads, steel braided lines, 1 inch rear spacers, A.R. Rebel 17x9s with BFG rubber! :thumbs2:
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