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Starting problem- 97 Aeorstar 3.0L

Tiny
RON2_1
  • MEMBER
  • 1997 FORD AEROSTAR
My 97 Aerostar 3.0L has developed a wierd problem. When it is cold (below -10 degC) it will not start. When I turn the key on, I hear the fuel pump relay click but do not hear the fuel pump. Also the light for the overdrive displays off. At first I thought the gas line was frozen but that isn't the problem. If I plug the block heater in for a couple of hours, it will start right up. Also the off light for the overdrive is not on and of course I hear the fuel pump when the key is first turned on.

Any ideas what might be causing this? It runs great after it starts.

Thanks in advance
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Saturday, February 3rd, 2007 AT 2:49 PM

3 Replies

Tiny
HRDINAS
  • MEMBER
  • 2 POSTS
I am having a similar problem with the same van, year and engine. Have you look into the pressure regulator? I can also hear the fuel pump and your comment about heating the engine would only alter the engine components and not the fuel pump. I notice my car would not start Monaday when the temperature was -2 F but start right up today when it was about 10F. The pressure regulator is mechanical and controlled by a vaccum hose. It also appears around the air intake which hopefully it is easy to change. Keep me post if you do anything. I will not be abile to get to my car until the week end.

Darryl
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Tuesday, February 6th, 2007 AT 7:57 PM
Tiny
RON2_1
  • MEMBER
  • 5 POSTS
Thanks Darryl

I don't think its the pressure regulator as the van run fine when I get it started. I suspect that is is something to do with the Engine Temperature Sensor that is linked to the computer. I am going to play around with that on Thursday.
I'll let you know if that is the problem

Ron
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Tuesday, February 6th, 2007 AT 10:00 PM
Tiny
RON2_1
  • MEMBER
  • 5 POSTS
Change the Temp Sensor, still has the same problem. If I heat the sensor up, the van will start.

No idea whats wrong now
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Saturday, February 10th, 2007 AT 9:17 PM

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