97 Suburban-6.5td-186,000miles-6pmd's

[customs]

8 weeks in the shop, and still no answers.Truck will run fine for several days,shut it off---go to re-start, turns over fine, but will not start...Let it sit for a bit, cuss at it and it will start and run for another several days. ??????? please help:confused:

[DennisG01]

Before we start repeating what may have all ready been tested, what has been done? What tests/checks have been done?

[customs]

Nothing done , except the norm... Injector pump was replaced under 10 yr./120,000 mile warrenty. Recently replaced icnition relays, per my mechanic....

[a5150nut]

Have you checked to see if your getting voltage beyond the ignition switch?