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Fuel system heat failure
I have a 1993 ford taurus 3.8L V6 automatic GL. My problem is that when it gets very hot and humid my car will stall. I hooked up a fuel pressure gauge when it stalled and the fuel pressure read below 20. I let it cool off for about an hour and the fuel pressure read 35-40. What in my fuel system is failing because of the heat? Is it the fuel pump, fuel pressure regulator, fuel injectors or what?
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. Change fuel filter.
. Check fuel regulator. If the problem persists, then focus on the fuel pump. |
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Another possibility is vapor lock from poor fuel line routeing. You may have to insulate the lines and/or create a heat shield around them.
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