The O2's are not working and are just running linear or flat. Can you see anything in the tune that would prevent the O2's from working. We have already swapped them twice.
Note: the O2 extension harness was ordered from ebay by the customer.
Occasionally I am getting P0135.
The tune is in part SD. Even when I try to force it into Closed loop I get nothing. Someone else tuned it before I got it.
The owner has a sound system in the car with amps and subwoofers and I noticed when you turn the car on, the gauges go berserk and when you cut the car off the gauges flip side to side almost like a grounding issue. So I wonder if the grounding issue could effect the O2's? I know it sounds like a stretch.
Make sure the pins on the extension harness all match up and dont cross, I bought my cam sensor extension harness and my harness to go to the new card style maf off ebay and both had crossed wires. Juss a suggestion.
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