94 mustang gt
10

Asked by GuruT11MG Jul 04, 2018 at 11:01 AM about the 1994 Ford Mustang GT Coupe RWD

Question type: Maintenance & Repair

I have a 94 mustang gt and it is vapor locking and it
only does it when it’s hot and I need to know what I
can do to fix it

1 Answer
44,030

Hornet_2497 answered 6 years ago

Usually vapor lock occurs only on carbureted cars and the 94 Mustang is fuel injected. So I am thinking the problem is in the fuel itself. Gasoline is seasonally blended meaning Winter fuel has a lower vaporization point and will boiling easier in hot weather than Summer fuel. So if this car has been in storage and the fuel is old Winter blend. Use up as much as you can and refill with fresh fuel. Hope that works.

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