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Tahoe & SuburbanThe power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.
Hey Joe, try checking or reprogramming your ECM, I just swapped an 04 5.3L motor with a used 03 5.3L out of a 03 Silverado and had to do reprogram mine to reset.