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In car news, lately I've been getting a P0018 and P0141 code whenever I start the car. I have a UEL and an OFT tune I made some changes to (cold start, throttle tables, just minor stuff like that).
Some back story, I previous ran this exact tune, with this exact header until early summer, when I decided I wanted some peace and quiet, so I switched back to the stock header and a stock, then a stage one tune. In all three of those cases, no CELs were thrown, other than a weird P0420 code that was still on with the stage 2 UEL tune, but that was quickly disabled.
So as I was having my eyes poked and prodded this morning, I had an epiphany of "What if my tune is the issue?" So far, so good on an unmodified stage 2 UEL tune. But it's still early. I'm wondering if maybe I need to go a bit higher on my cold start idle, instead of starting at 1200.
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