Vapor Lock Problems

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Vapor Lock Problems

Question: 1981 Toyota 2 WD pickup standard 22R mileage: 142,000. What is vapor lock? How do I fix it? Do I have to pull the carburetor off and completely rebuild it to replace the float? Is there some way to test the fuel pump pressure without taking it to a garage and having it hooked up to gauges? I am having some kind of fuel problem but it does not happen all the time. These are some of the things I think could be wrong. Thanks

Gari.pk User 9455 asked on 05 Oct 2010 11:23:19 am

1 Answer

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Konain - on 05 Oct 2010 11:23:28 am

Vapor lock occurs when the fuel in the fuel system gets to hot to stay a liquid (boils). Keeping the fuel lines away from the heat (exhaust pipe, etc) will usually stop this from happening. Removing the top of the carburetor is all that is necessary to replace the float. The fuel pump can be tested on the vehicle.

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