Quote:
Originally Posted by gomer_110
P0139
P0159
Not sure what mods you have but I'd checking for intake leaks. It's hard to believe that both O2 sensors failed at the same time. It's also hard to believe that an exhaust leak appeared on both banks at the same time.
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I figured those were both banks. And I thought the same thing - weird to have problems in both at the same time since they're essentially independent.
I didn't have them clear the codes, but I just ordered a code reader and will first check for leaks, clean at least the front senors, erase the codes and see what happens. At least now I'll have my own reader - I thought they were like $300 but I found a highly rates one on Amazon for $42.