Cranks but won't start. It seems to happen only when the outdoore temperature is warm to hot, before the problem got worse I use to get it to start by letting it cool down for a couple hours, now I have to let it sit overnight just to start it long enough to move it out of the way.
Vapor lock is your issue the fuel is boiling on the fuel rail causing your hard start condition which locks up pressure and blam no start
Testimonial: "If it is vapor lock how do I cure the problem?"
Ok here we go hope u got a minute because this is how to fix your vapor lock on your ford van probably wondering how in the heck does this happen there are many factors to consider has your cooling system ever been flushed? .if you have not serviced the cooling system were going to start there is the thermostat the correct one for your van ?if the cooling system has not been maintained the temps under the hood are very hot and a good flush could drastically lower those temps also I'd check or test the PCM to see if the injectors are being commanded to open/close on a hot restart also check and make sure your fuel pump is working properly an easy way is to have someone turn the key forwards not totally on but u know what I'm saying so take the gas cap and listen for the pump to run for two seconds then stop to confirm the pump and relay are working properly also clean the ac condenser and power wash all the debris out of both that r restricting air movement otherwise I guess u could carry a jug of cool water about 5gal worth and when it won't start dump the water on the intake plenum to cool it and blam it will start this is very common u will not b the first or the last with vapor lock it all comes down to maintenance if you don't take care of your vehicle it won't take u were u want to go I hope I've explained this well enough for u remember the only way to learn is ask questions glad to help u regards Chris ....
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SOURCE: 86 Econoline 150 302 fuel injected Van stalls and
Hi my name is Tom and I am here to help.
I will need more info to zone in on your problem. Some questions I need answers to. Has a tune up been done on your van? Is the timing off? Has the carburetor or injectors had a cleaning?
When an engine does not run well in hot weather or after running a while, it is usually a sign of "vapor lock" or too lean a mixture of gas to air. There is not enough gas for it to run properly.
I can be more specific, if I know more about the state of the plugs, timing, etc. Please let me know, If you want a more specific opinion.
TomE
SOURCE: 2003 Ford Focus ZX5 with 2.0L Zetec engine - hard
Sounds like a fuel pressure problem. Get it checked.
SOURCE: 2001 f250 superduty 6.8L gas, cranks but will not start
theres a power diseribution box under your hood by the battery its in there
SOURCE: 2005 ford ranger fuel pump relay gets hot and engine dies
Like Laurie Mack said. It is the inertia switch below the glove box. Here is some funny information. DON'T change the fuel pump first. Interesting fact: I bought the new inertia switch from Ford and the install instructions that came with it said to install the switch in the protected area to the right where the fuses are. It is like Ford knows it was a dumb place to put the inertia switch, but they won't let you know until after you buy a new one. I have read at least 20 other people on here that had the same problem I just had.
http://whoisbyme.blogspot.in/2012/06/car-starting-problems.html
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Thanks.
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