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Vapor lock I think

Tiny
TUMBLEWEED
  • MEMBER
  • FORD
I have a 1981 f100 2wd automatic 302 2 barrel.
it seems to vapor lock. I will be driving it then it just doesn't get gas to the fuel filter. I wait half hour to 45 minutes then it pumps gas to the filter. It has a mech. Pump and there is no lines near a heat source other then then line going from the pump to the carb and it pass right by the raditor hose and thremo housing. Any thoughts? Thanks
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Thursday, May 31st, 2007 AT 12:57 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
I believe you have diagnosed it correctly :P either that or ur pump may be wearing out
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Thursday, May 31st, 2007 AT 3:36 PM
Tiny
TUMBLEWEED
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  • 6 POSTS
Afriad of that know I need to reroute the lines. I hope that does it if not then new pump. Thank you for the help. :)
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Thursday, May 31st, 2007 AT 7:00 PM
Tiny
TUMBLEWEED
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Ok I found out the problem. It turned out to be the fuel pump the diapham when out, as soon as I put a new one on it worked great and no more problems. I drove it around in the heat for about four hours non stop and no problems. Thank you for the help. :O
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Friday, June 1st, 2007 AT 1:22 PM

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