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Will not start after installing new solenoid to switch tanks?

Tiny
MIKEMERRITT1961
  • MEMBER
  • 1987 CHEVROLET TRUCK
  • 5.7L
  • V8
  • 4WD
  • MANUAL
  • 100,000 MILES
Installed new solenoid to switch tanks and now the truck won’t start even though it would run before on driver’s side tank both tanks and pumps and solenoid are new.
Monday, January 15th, 2024 AT 6:35 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,968 POSTS
Yep, it is easy to get the lines mixed up, here are the instructions on where the lines go. Also, you may have a defective fuel switch valve, or you will need to replace the fuel lines to the tank. If there are any holes in the lines, the fuel pump will suck in the air and the engine won't start. Check out the images (below). Please upload pictures or videos of the problem in your response so we can see what's going on.
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Tuesday, January 16th, 2024 AT 9:43 AM

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