all of a sudden the truck acted like the engine shut off?

The fuel pump seems to be pumping good pressure.Where exactly would I find the relay and how do I check injector pulse?

Disregard the fuel pump relay and check and test the circuit opening relay, for the injectors look for power on the injector harness one of them should have power and also use a noid lite.

1993 Mazda b2600

Will turn over fine but dies rught out.Changed fuel pump and filter.Seems to be getting good fuel pressure.Will stay running longer when I spray starting fluid in throttle body but still won't stay running.Need some ideas on what else I can try.

What is the pressure reading? Also check the injectors if they are pulsing.

1989 b2600i 4x4 manual trans. No spark at coil. See prev question and answers from January this yr. Well... I've tried everything short of hiring a voodoo priest. Is it possible that a bad or going bad fuel pump could kill spark at the coil? Thanks!

Sounds like the ignition coil or fuel pump problem. Check these links

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

and

https://www.2carpros.com/articles/how-to-test-an-ignition-system

let us know

Thanks for the info, it was a bad fuel pump causing the problem, thanks 2Carpros.com

distributor gets hot and dies wont start back right away sometimes it runs for a long time with out dying changed out distrbutor and it runs about 30 seconds when it was cold ran perfect yesterday when installed reman distributor do you think it might be a computer problem

Sounds more like a power wire part shorting to earth and causing the module to over heat, check the wiring first.

Just FYI, 91 Mazda B2600i. Randomly dies, no spark. Sits 10-20min starts up and runs again. Distributor pickup is very common and was the problem. Its the hall or optical sensor in the distributor. Replaced distributor. Common on all the b- series 86-93. Carb models you can get just the pickup or ignitor I think it's called sometimes. Also mine had idle surge/hang at 2k, hard or no start, fuel smell, no power at all, won't Rev up much, flooding out. That was the coolant temp sensor, walker has a sensor with connector. That fixed it.

Thanks Scott!, I moved this post to the front page!