I bought this Silverado 07 Z71 brand new I have a hundred ninety-nine thousand miles on it still running on original plugs and wires the only problem I have is throttle control sensor sending a ghost message so I could not use my auto start if I do it kills the battery otherwise runs great except for always having to put oil in it pan leaks like crazy had new seals put on it at the dealer still leaks it's a 5.3 liter
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