[lrpasni]

Anyone have advice on best way to check for an exhaust leak?
On the 3.5l pilot engine, bank one exhaust (cat) is difficult to see, at best.

I have an 05 pilot. Replaced a burnt exchaust valve on bank 1, and now am trying to figure out what caused it. Fuel trims look good at idle, but under throttle, I get a negative STFT on bank 1 only. While rebuilding the head, I bench tested the injectors using an arduino microcontroller, and graduated cylinders….all look good. Swapped bank 1/2 wideband O2 sensors, and still bank 1 shows same symptoms. I’m Still scratching my head. An older version of AutoEnginuity is really buggy on honda’s, which is making it difficult to observe equivalence ratio’s response.

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