Starts but will not stay running?

Tiny
STEPHEN KRIS JOSEY
  • MEMBER
  • 1998 CHEVROLET ASTRO
  • 200,000 MILES
Changed just about everything except the block, no codes, but the van will fire idle for a second and then shut off. Anyone got a clue? I've done all of it for, crank sensor, MAP sensor, all of it and still the same thing.
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Monday, August 29th, 2022 AT 8:42 PM

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Tiny
KEN L
  • ADMIN
It sounds like the exhaust system is clogged or the fuel pump is going out. When the engine stalls can you hear the fuel pump working in the fuel tank? If not, I would replace the fuel pump. If you can hear it, I would remove the exhaust from the catalytic converter.

Here is a guide to help you and I have included how to change the fuel pump out just in case you need it:

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Here is how you can drain the tank:

https://youtu.be/Q5MH2gnyFH0

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Tuesday, August 30th, 2022 AT 10:41 AM

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