We have developed a misfire that so far the dealer cannot root cause.
Vehicle: 2021 Tahoe Premier 5.3L 26k miles owned for 2yrs
Problem: after cold start and driving 1/4 mile engine misfires then throws check engine flashing light. I will add that it does not sound like a dropped lifter...
Ok peeps! Need help here. We have just purchased a 2021 Tahoe with RES as well as some friends of ours (same RES).
We are curious as to what the leds are at the bottom (see pic)
Our friends has green on driver side and red on passenger side. Our leds actually were on after the screen was...
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