Question about 2002 GMC Yukon XL
Did you try to replace the starter cable? is the Truck turning over or just clicking.? If it's turning over and not starting. Best guess would be one of two things. Knock sensors Located under intake manifold. they get wet and deteriorate or the fuel pump. I've replaced all three on mine. 233k still running strong...
Posted on May 24, 2009
Change fuel filter, if no start after that, check to see if the fuel pump is pumping fuel. No fuel, replace fuel pump $234 with RFI $189. w/o RFI (Radio Frequency Interference)
Before replacing fuel pump replace the fuel pump relay first (cheaper solution $16.00 with tax) and see if the truck will fire up.
If it doesn't.............fuel pump time.
Posted on Dec 02, 2008
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