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Will not stay running after fuel pump replacement

Tiny
DJSPEEDY12
  • MEMBER
  • 1995 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
I changed the fuel pump on my vehicle and broke the return line plastic where the hose connects to the pump. So I ran the return back into the tank through the fill tube. Started up test drove it and was fine. But now starts up and when driving does not want to stay running. Can you please help me with why it would be doing this?
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Tuesday, October 23rd, 2018 AT 10:55 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,968 POSTS
Hello,

When the engine stalls can you still hear the fuel pump running in the tank? Did you use an AC Delco part for the fuel pump?

This guide can help us get started to see whats going on.

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down these guides and report back

Cheers, Ken
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Wednesday, October 24th, 2018 AT 1:05 PM

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