[DeTomaso] NPC Ford 460 FI

[shawkins777 at comcast.net]

Have you changed the mapping on the fuel injection for less bias. Sounds like too much choke is maybe causing the problem. 

Steve 

----- Original Message -----
From: gow2 at rc-tech.net 
To: arkoch at earthlink.net 
Cc: detomaso at poca.com 
Sent: Monday, September 9, 2013 3:21:50 PM 
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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