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Hello, We could not communicate with the ECU after trying multiple things. We ended up replacing the ECU that is on the side of the engine and it took care of the problem.

Thanks Bud!

Thanks for the input everyone, I have printed out this thread for my guys to read. Do you know where i can find the technical manual for this truck? It does have the 3126, we can not find the engine computer, where would that be located on the truck? We also did not see a No Start Button in the...

Thank you both for the replies: tennmonger: we have a few of our mechanics tinkering with it and i believe they have bleed the system of air, it has the 3116 in it with the circuit board behind the passenger side dash. I will forward this to my guys tomorrow when they get back in the office for...

Hello, I have recently purchased a 2001 Stewart & Stevenson M1088A1 Having issues getting it to start. Seems like the ecu is not allowing it to get fuel. I have installed (4) New Batteries Checked the Fuses and Circuit Breakers Repaired a fuel leak at the fuel filter (simple o-ring...