2000 gmc yukon denali 5.7 litter
I have a 2000 Gmc Yukon denali 4x4 It wouldn't start it would crank but No start, I changed sparkplugs, wires, relay fuses I went to junkyard bought a distributor, put it on still No start, I gave up for about 2weeks but then I decided to buy a brand new distributor with Cap and Rotor, I put it on it started right up, I'm driving it, it runs great, I hope this helps, don't buy electric parts from the Web, or junkyards.
Sometimes you just have to learn the hard way. Sometime used electronic parts are junk. Glad you were able to repair it.
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