[DeTomaso] NPC Ford 460 FI

[gow2 at rc-tech.net]

Some of you wanted an update when I figured it out.

The problem has been intermittent. I thought it had to do with cool
weather but it didn't. It had to do with rain. We got a ton of rain over
the weekend and I got a ton of water in the fuel system.

With a light rain it was cantankerous when cold but would act good when
warm. Finally got enough rain to shut it down. When I checked the fuel
system, pressure was fine. When I drained the pressure of the gauge water
came out.

Gary



>
>
> -----Original Message-----
> From: detomaso-bounces at poca.com [mailto:detomaso-bounces at poca.com] On
> Behalf
> Of gow2 at rc-tech.net
> Sent: Monday, September 09, 2013 4:22 PM
> To: arkoch at earthlink.net
> Cc: detomaso at poca.com
> Subject: [DeTomaso] NPC Ford 460 FI
>
> Working on an 1990 Ford 450SD with a fuel injected 460. We have done a bit
> of work to it and it is running great; except when cold.
>
> When it is cold (60 degree range) I can barely keep it running until it
> warms up. Then it runs great.
>
> The Coolant temp sensor modifies the FI for fuel and timing like a choke.
> I replaced it and checked the old one. Have not ran it yet cold (too warm
> right now) but the old sensor not only ohmed out the same, but after
> putting it in the freezer ohmed out correctly to the chart.
>
> What else is going to effect cold operation in that way?
>
> Gary
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