1991 Dodge Dynasty stalls about ten miles into trip

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Godfrey Muganda - 05 May 2007 22:37 GMT

Car starts and runs great for about 10 miles then just shuts off as you are
going down the road. There is no warning of problem of any kind but just
stalls. It will usually restart about 10 to 20 minutes latter. I have
tried several ideas including new rotor and distributor, new computer
module, and new key ignition switch. I have also checked to see if I have
gas pressure at the valve in the line and it appears it still has pressure
when it dies. Any suggestions would be appreciated?

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Ron Seiden - 06 May 2007 03:56 GMT

> Car starts and runs great for about 10 miles then just shuts off as you
> are going down the road. There is no warning of problem of any kind but
[quoted text clipped - 3 lines]
> gas pressure at the valve in the line and it appears it still has pressure
> when it dies. Any suggestions would be appreciated?

1. What happens if you start it up and just let it idle for the same amount
of time the 10 mile trip would take? (might point to it being heat related
as opposed to motion related)
2. If the same thing happens with just idling for that amount of time, does
it also happen if you let it idle with the hood open? (i.e., no heat buildup
around any components)
3. Does it happen if you leave the gas cap open? (might point to a venting
problem, causing a vacuum in the fuel system as you try to draw gas)

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uccoskun@gmail.com - 06 May 2007 04:50 GMT

> Car starts and runs great for about 10 miles then just shuts off as you are
> going down the road. There is no warning of problem of any kind but just
[quoted text clipped - 3 lines]
> gas pressure at the valve in the line and it appears it still has pressure
> when it dies. Any suggestions would be appreciated?

please involve engine size also.

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