Stumped by TPI

[sfg]

Jim Santoro wrote:
> 
> Hi All,
> 
> I have a '88 5.7 Chevy with TPI running in my Sebring MX. The wiring
> harness
> is an old Street and Perf. speed density job using a '7170
> ECM.(V6-Fiero).
> The Problem:
> The car runs extremely rich all the time
....snip
Is the coolant temp sensor OK? I had the same symptoms,
and found that the resistance was off a whole bunch,
thus telling ECU cold enrichment was needed.
Steve