Brett, I have had this problem caused by the Temp II sender for the fuel
injection.  It is a $9 part that you can easily swap in to see if it is the
problem.  I have these in stock if you need one.

Thanks,
Ken Wilford
John 3:16
www.vanagain.com
Phone: (856)-765-1583
Fax: (856)-327-2242

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