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No start

I am at my wits end on this truck. 98 GMC Sierra 4wd. 350, 4 speed. Yes we converted it from auto to 4 speed.... Truck was running fine, then died. Cranked and acted like it wanted to start but coughed and sputtered. Zero fuel pressure at rail. Ran diagnostics, new fuel pump installed. Good...
- Pappy G
- Thread
- Oct 31, 2021
- Replies: 6
- Forum: Engine Performance + Maintenance
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Engine died no restart

The motor in my 98 GMC quit like I had turned off the key. I have power to everything but starter. Checked all fuses in fuse box and under hood.
- Pappy G
- Thread
- May 22, 2021
- Replies: 3
- Forum: Engine Performance + Maintenance
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No pedal while running.

About 6 months ago I replaced booster, master cylinder, calipers, brake cylinders, hubs rotors. Had good pedal and good brakes. Truck broke down and sat until a couple days ago. I have great pedal when engine is off. As soon as I start the engine, I lose all brake pedal?
- Pappy G
- Thread
- May 22, 2021
- Replies: 3
- Forum: Axles + Brakes
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Start then stall

I hope I am in the correct place for this thread. 98 GMC Sierra 5.7 with automatic converted to 4 speed transmission. Truck ran great for 2 weeks after the tranny conversion. Developed a short in wireing. 2 different mechanics put new ignition switch in thinking that was problem. The put...
- Pappy G
- Thread
- Jan 30, 2021
- Replies: 23
- Forum: Engine Performance + Maintenance