Join Date: Jan 2006
Location: central coast, california
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Welcome to the forum Gary!!!
No, a leak at the HP pump could cause a hard or even no start if it was a VERY bad leak, but once the motor is running, it should never cause a stall. odds are the leak you have is not from the pump itself, its actually from one of three places that are sealed with o ring. the two lines just on the drivers side of the pump, and the small plug on the back of the pump are where these o rings are located. There is a special tool for releasing the quick connects on these fittings before unscrewing them to replace the o rings though........
As far as your problem, sounds like a cam sensor going, but i would hate to condemn it without some testing first. First of all, have you tried to have any Codes pulled from the truck (there may be some even if the check engine light is off). also, does it fire right back up, or do you have to let it sit sometimes? Is there any rhyme or reason to how it shuts down, like is it allways on hard accell, or decell, etc.....or does it just do it whenever it feels like it?????.........Marc