72 Super Beetle starts and runs fine first. After I drive it for a while and park it for 30 min to 1 hour, it trys to start but cant. Its almost like it doesnt get enough gas. Just replaced fuel line

Asked by NRocket Jul 29, 2013 at 09:53 PM about the 1972 Volkswagen Beetle

Question type: Maintenance & Repair

replaced fuel line and filter. A few days after the problem started. Its almost like the engine is hot and then it doesn't want to start. Turns over but maybe doesn't get enough gas to start? What could be wrong with it? Please help

46,395

Michael answered 11 years ago

Might be a faulty fuel pump starting to go bad.

Mark helpful

13,505

Fordtudor37 answered 11 years ago

Sounds like what you have is "vapor lock" in the fuel line. The heat in the engine compartment is causing the fuel vapor to expand inside the fuel line and not allowing enough fuel to get to the engine via the carburetor. Flathead Fords from the 30's and 40's use to have the same problem when the fuel pump got weak with age. Did you install the fuel filter in the correct direction ?

2 people found this helpful.

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NRocket answered 11 years ago

Thank you all for your answers and help. I didn't drive the VW for a week and now it has been running like a champ. I haven't had any starter problems. I think Fordtudor37 was right, it was vapor lock? At the time it was also 103 degrees daily, maybe that had something to do with it also? Thanks again for all your help.

Mark helpful

Michael answered 5 years ago

what do I need to start my 72 bug engine out of car

Mark helpful

GuruDVF2BH answered about a month ago

Try a fuel pressure gauge , if pressure is too high gas will drip into carb and cause flooding on start up.

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72 Super Beetle starts and runs fine first. After I drive it for a while and park it for 30 min to 1 hour, it trys to start but cant. Its almost like it doesnt get enough gas. Just replaced fuel line

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72 Super Beetle starts and runs fine first. After I drive it for a while and park it for 30 min to 1 hour, it trys to start but cant. Its almost like it doesnt get enough gas. Just replaced fuel line

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