Injection pumps do go,but more often than not the PMD is the main problem with IP's,unless you are having hot start issues and you find that the truck starts better when you pour water over the hot IP.

 

im having the exact same problems. Did you ever get it straightened out?

 

Yes please keep us posted I am having similiar problems with my 98. I have a remote pmd behind the grill and I thought maybe it went bad, so I got a heath pmd and mounted underneith. Now when my truck stalls most of the time if I switch to the other pmd it will fire right back up and away I go. Other times I will be sitting on the side of the road swearing away till it starts. I cleaned my grounds on the passenger side of the motor and no change. Next I am going to check ecm ground.

 

If the gauges die at the time of the stall suspect the ignition switch.

 

Is there any way to check the ignition switch, or should I just replace it so I know wether or not its the problem.

 

Most common problem is that the gauges die during a stall but radio and blower motor keep working-that points straight at the ignition switch.

 

When I had a 6.5 in my 92 that happen to me like you I went through every wire and my dad finally found split head light wires, we ran all new wires to everything, and after that the pickup didn't quit unless I wanted it too.

 

I changed ignitio drove to town (30 miles) and on way home stalled but started right back up. Drove to work (42 miles) on way home stalled wouldnt fire until I switched pmd's. I have 2 remote pmd's one behind the grill and a Heath one underneith. After switching it fired right up and I was on my way

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I cleaned the grounds on the motor and I checked the ecm grounds behind the glovebox and they looked good. I am not sure about the ops mod since mine is a 1998 I read that it was for the 96 and older. What should I look at next?

 

Checked every ground that i could see wiggled every wire i could reach, and when i shook the harness' on the ecm one wasn't securely plugged in and it came unplugged and died. Going to drive it again tomorrow with my fingers crossed and hopefully no more stalling.

 

Still Stalling out. I went to town the other day, and the truck stalled, the tach read 2000 rpms for about 10 seconds but i had no power then dropped off to 0 and it was dead. Cranked it over and it fired right back up. I had heard of the ops possibly being an issue so I had that unplugged but it didn't seem to make any difference. My next move is to remove all of the plow wiring and see if that helps.