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1998 C70 T5M - high fuel trims

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Hello all,

I have been doing tons of maintenance on my C70 the past few months. I've done all vacuum hoses and intercooler pipes / clamps. I got a scanner and my sensor 2 short term and long term fuel trims are around 12-13%, compared to 0% with sensor 1. Does this seem like an o2 sensor issue? I swear there are no vacuum leaks.



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