Seriously! 1991 Burb - 1500 - 5.7 (K) - 4x4 - 700R4 HD - 141,085 It started right up, the guy took it around the parking lot, we went down the road and it stalled. Started right back up the first time, but it stalled again! The second time, it took about 1 minute for it to get started. Going down the road and riding the hammer, it seems fine and hauls. This was after I dropped the guy off back at his car. Check engine light is on, but I am unable to pull the codes. When I try, the SES flashes non-stop 2-3 / second. The fuel filter was replaced not too long ago, but I will pick up another one today. The fuel pump relay looks to be orginial - if I'm looking at the right relay! Where is it at on the truck? I searched the forums, but didn't find what I was looking for. Could that do it? Any ideas?