[DeTomaso] NPC Ford 460 FI

[gow2 at rc-tech.net]

Thanks I'll check that.


> Retarded ignition timing can and did you check injector pulse time. Fuel
> psi should be between 30-40.
> Sometimes the idle air control valve can leak too much air and lean out
> the cold run mixture.
> Jeff Cobb
> Cell 225-907-4514
>
> On Sep 9, 2013, at 3:21 PM, gow2 at rc-tech.net wrote:
>
>> 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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