Vapor lock

Tiny
BURRILL2112
  • MEMBER
  • 1992 FORD RANGER
  • 3.0L
  • 6 CYL
  • MANUAL
  • 160,000 MILES
Does fuel pressure have any thing to do with vapor lock?
Friday, June 23rd, 2017 AT 10:23 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,869 POSTS
Fuel pressure affects how much fuel sprays from each injector each time they pulse open. You cannot have vapor lock on your engine. The fuel pump delivers about one gallon of fuel per minute to the fuel rail on the engine. Only a tiny percentage of that actually goes into the engine. The rest goes through the pressure regulator, then right back into the gas tank. Any vapor bubbles would go back to the tank too.
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Saturday, June 24th, 2017 AT 9:16 PM

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