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Discussion Starter · #1 ·
Hi Everyone,
My T-bird has a check engine code P0430 Catalyst System Efficiency Below Threshold (Bank 2). Is my oxygen sensor bad? If so, which side is bank 2?
Is it the driver or the passenger side? My T-bird also hesitates under load in
3rd and 4th gears. Can this cause by a bad oxygen sensor?
Thanks,
Quyen
 
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