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Air in fuel system

Tiny
JEAM
  • MEMBER
  • 1988 FORD RANGER
  • 2.9L
  • 4WD
  • AUTOMATIC
  • 87,625 MILES
Air in fuel system, no leaks. Fuel reservoir?
Tuesday, December 4th, 2018 AT 9:34 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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
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Tuesday, December 4th, 2018 AT 9:49 AM
Tiny
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.
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Tuesday, December 4th, 2018 AT 11:21 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Why is it apart?

Roy
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Tuesday, December 4th, 2018 AT 11:24 AM

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