FUEL STARVATION

  • Tiny
  • cohiba
  • Fiat

1972 Fiat 124 Spider
2.0 engine
34ADF carb

I was having fuel starvation problems running a 32ADFA carb when the engine would get hot. (Running temp) Since then I have replaced the carb with a new 34ADF, mechanical fuel pump, and fuel sending unit. The main fuel line was blown out and rubber hoses replaced. After driving 10 or so miles the car would die. Happened a few times so I thought it was vapor lock. I switched to an electric fuel pump and that worked well for a while, then I started to flood. Since then I replaced the electric fuel pump with another one that runs 3-5 psi. Still flooded once. I want to go to the mechanical pump but every time I do I run into this fuel starvation problem and die in traffic. Any suggestions? Could it be distriburator related, electrical related, or something I am not looking at? I will gladly make a donation but I live by the rule. Never buy a pair of shoes without first trying them on. If I get help and it cures my problem look for a nice donation. I am tired of pauing the mechanics here in town hundreds of $ and car still runs bad.

Thanks, John

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Saturday, June 23rd, 2007 AT 9:31 AM

1 Reply

  • Tiny
  • mikeymo
  • Member

I had a problem with the fuel filler hose on my '79 spyder. Your description sounds similar to what I experienced (minus all the fuel pumps that I didn't try). I found that a small hole in that hose which connects the fuel insert housing to the tank itself was the problem once I replaced it.
Is that really a 2.0 in a '72?
I hope this simple fix helps. Mm

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Friday, February 20th, 2009 AT 11:41 AM

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