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95 e250 with 4.9l won't start after shutting off

 
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Old 09-27-2011, 08:59 PM
t mango
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95 e250 with 4.9l won't start after shutting off

I have 95 e250 with 4.9l motor, van has 215346 miles on it. It starts up & runs but recently it started idling fast & when you shut it off it won't stared unless you let it sit for 12 hours or more. It acts like it is flooded. I was thinking that it might be the IAC valve. I would appreciate any advice...tony
 
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Old 09-27-2011, 09:24 PM
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possibly a fuel pressure regulator gone very bad? have you tried pulling the codes?
 
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Old 09-28-2011, 06:06 PM
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I haven't pulled the codes since this problem started. I put a new fuel pump in it last year & pulled the codes at that time. The only code was for the o2 sensor. I plan on pulling the codes again but I've got good information from this site before so I thought I'd try this site first.
 
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Old 09-28-2011, 10:03 PM
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yep, lots of great info. if you can pull the codes that will make it so we can provide even more info!
 
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Old 10-15-2011, 06:45 PM
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Pulled the codes & the O2 sensor code is still showing up but that has been showing up for while & the van was running & starting, I did change the IAC control but it didn't solve the problem. I stated the van was acting like it was flooded but that wasn't correct. It just won't restart after shutting it off unless it sits for hours. Any suggestions??
 
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Old 10-15-2011, 07:24 PM
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I'm gonna guess ignition module, coil or distributor pickup mechanism (my bet is on the module).

I'm not sure on those EEC IV things, parts stores might be able to test them, give them a call and see.

Do a google search on testing the ignition coil and distributor pickup.
 
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Old 10-15-2011, 07:51 PM
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Does it turn over but not fire or does it not want to turn over?
 
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Old 10-18-2011, 08:33 PM
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It starts up & runs fine but will not restart unless it sits for a few hours. It turns over but will not start . I thought I might have a leaking injector causing the problem so I pulled the spark plugs to check for fouling but they look good.
 
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Old 10-22-2011, 05:41 PM
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I changed the Air Charge Temperature Sensor & the problem appears to be corrected . I wasn't getting a code for the sensor but I had stopped by a local ford dealer & the service manager was kind enough to point me in the right direction. I will post an update if the problem reoccurs.
 
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Old 05-31-2015, 01:28 PM
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Originally Posted by t mango View Post
I changed the Air Charge Temperature Sensor & the problem appears to be corrected . I wasn't getting a code for the sensor but I had stopped by a local ford dealer & the service manager was kind enough to point me in the right direction. I will post an update if the problem reoccurs.
Help T Mango!!!!!! Where is the air charge temp sensor located?? Have a new one but cannot find the old one. We have the same year and motor
 
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Old 06-01-2015, 09:45 AM
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It's located in the front Cylinder 1, lower intake manifold.
 
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Old 06-03-2015, 07:36 PM
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Is the air charge temperature sensor the same as the intake air temperature (IAC) sensor?
 
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Old 06-03-2015, 07:39 PM
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Originally Posted by ZarK-eh View Post
It's located in the front Cylinder 1, lower intake manifold.
Looking at the Chilton's book for full size vans..it calls it the intake air temp (IAC) sensor. Does this sound right?
 
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Old 06-03-2015, 10:35 PM
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Most likely yes, that's what they're referring to.

I really don't like it when multiple terms get used for the same component, that's irritating...

In my mind, IAC is Idle Air Control and it's a motorized unit that controls the engine's idle speed. That air charge sensor thing is what measures the temperature of the incoming air; the best way to verify if it's the same is to look at the electrical connections and the colors of the wires that feed it (and compare to a factory wiring diagram) but that's not always easy information to find...
 
 
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