Quote:
Originally Posted by Bornnasti
I’m looking across the forums but am stumped , will I need a new upstream sensor or will I just need a tune for throwing codes p0031 and p1148,
Installed ART pipes . Z1 said I need upstream sensor .
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Google says verify the circuit before replacing the A/F sensor (upstream O2). It is possible that either the wire is broken/burnt through, the fuse blown or both. Link to FSM is in my sig.