[DeTomaso] EZ EFI 2.0

[Jerry Knotts]

I have had lots of bad experiences with electronic fuel injection.  The 
only one that seems to apply was a mismatch between ECU and the O2 
sensor it expected.  For some reason the ECU would not shut down the 
preheat circuit on the O2 sensor and it would burn up the O2 sensor 
pretty quickly and then the ECU would go into "limp" mode and retard the 
timing and fatten the fuel.

YMMV,
jerry knotts

On 9/20/2019 4:29 PM, Dennis Sanford via DeTomaso wrote:
>     Has anyone had any experience with the F.A.S.T. EZ EFI 2.0 system?
>     I've been going through O2 sensors at the rate of about one a month.
>     After a month or so the correction percentage shown with shoot up to
>     about 25% and the engine will not idle without loading up.  The only
>     way to correct it is to replace the sensor and then in a month or so it
>     will foul again.  My engine has been stroked to 408 and I had a
>     customized stainless steel exhaust system fabricated by American Racing
>     Headers and the bung is located at the beginning of the collector.
>
>
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   I have had lots of bad experiences with electronic fuel injection.  The
   only one that seems to apply was a mismatch between ECU and the O2
   sensor it expected.  For some reason the ECU would not shut down the
   preheat circuit on the O2 sensor and it would burn up the O2 sensor
   pretty quickly and then the ECU would go into "limp" mode and retard
   the timing and fatten the fuel.

   YMMV,

   jerry knotts

   On 9/20/2019 4:29 PM, Dennis Sanford via DeTomaso wrote:

   Has anyone had any experience with the F.A.S.T. EZ EFI 2.0 system?
   I've been going through O2 sensors at the rate of about one a month.
   After a month or so the correction percentage shown with shoot up to
   about 25% and the engine will not idle without loading up.  The only
   way to correct it is to replace the sensor and then in a month or so it
   will foul again.  My engine has been stroked to 408 and I had a
   customized stainless steel exhaust system fabricated by American Racing
   Headers and the bung is located at the beginning of the collector.


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