Air in fuel system

87,625 MILES • 2.9L • 4WD • AUTOMATIC
Avatar
JEAM
  • MEMBER
  • 2 POSTS
Air in fuel system, no leaks. Fuel reservoir?
Dec 4, 2018 at 1:34 AM
Advertisement
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

If there air in the fuel line then it could be coming from the fuel pump in the tank. If the pick up hose or line has a hole in it, it will draw air instead of fuel.

Try filling the tank with fuel and see if it still has air in it.

There is also a high pressure pump along the fuel rail. If there is a hole in the line between the tank and the pump, it will show air in the line.

Roy
Dec 4, 2018 at 1:49 AM
Avatar
JEAM
  • MEMBER
  • 2 POSTS
I pulled in tank pump no holes or leaks. Fuel lines and o-rings look okay. Tank was full when it happened. Check valve in fuel reservoir is disassembled.
Dec 4, 2018 at 3:21 AM
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Why is it apart?

Roy
Dec 4, 2018 at 3:24 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle