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o2 sensor
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O2 readings
Hello, i have a fuel trim problem in my 1.8t auq. I've done multiple tests but can't figure out if my pre cat o2 is bad or that i actually have a fuel delivery issue. The ltft increases (after a reset) when driving normally, but i've recently did a WOT pull in 3rd gear and saw that my stft was...- mmisch
- Thread
- 1.8t afr lean leon mk1 o2 sensor
- Replies: 0
- Forum: Leon Mk1 (2000-2006)
