SOURCE: 2002 Chevy Avalanche. Truck will not
Do a bench test on the starter. Remove starter, hook up a ground cable to starter, and positive to two prongs on starter and it should spin. You can do this in vechile too but not suggested due to risk of injury. If it doesn't spin, probally a solenoid or the starter it self. Unlikely but possible.
SOURCE: my truck starts like it
replace the batery cables (they corode in the middle and, look fine on the outside but, when you cut them in half they are filled with gray corosion dust; causing very high resistance.
SOURCE: code B0267 pump motor circuit
If you pull the controlling relay...the pump should stop.
Then, we gotta find out why the relay is energized...or if maybe the contacts have welded together.
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