I am pretty worried by the first scan on my 2000 4.8L Sierra 2wd 60e. A lot of KR at different points. Take a look and let me know if you think its safe to tune this truck.
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I am pretty worried by the first scan on my 2000 4.8L Sierra 2wd 60e. A lot of KR at different points. Take a look and let me know if you think its safe to tune this truck.