1999 Ford Explorer fuel injection

118,000 MILES • 6 CYL • 4WD • AUTOMATIC
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RGADDIS5
  • MEMBER
  • 2 POSTS
This car vaporlocks when temp outside is 85 degrees or hotter this car after warm up driving 5 miles . It will not want to start if you bleed the fuel rail off it will start. You get air out of it I have replaced the fuel pump, cleaned the fuel injectors by removing and cleaning. new gaskets on the upper intake. Replaced the fuel tank , done all I could think of this car doesn't have a return on the fuel rail if it does I couldn't find it and I had the rail out cleaned it also. any thing that you could tell me to check would be appreciated.
Jul 24, 2010 at 2:54 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Hi rgaddis5@gmail,com, Welcome to 2carpros and TY for the donation

Problem here could be caused by one of the following a leaky injector/s, fuel pressure regulator and fuel pump check valve this will cause the fuel pressure to drop that will contribute to hard starting and vapor locking in extreme hot weather.
Jul 24, 2010 at 7:55 PM
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