[Diy_efi] lean running TBI

Mike niche
Mon Nov 1 01:32:04 UTC 2010


most ecu's I have come across wont adjust if it thinks its on idle (switch on throttle)
or engine not warmed up fully...

btw: your message defaults reply only to you not to list

At 02:59 AM 11/1/2010, Ashley Wagner wrote:
>Hello I have been tuning a 87 TBI setup and the ecm keeps leaning out  
>the fuel. This is despite the fact that my wideband says I am running  
>lean and the fuel should be richened up. I am running closed loop so  
>the ecm should adjust but it doesn't seem to be adjusting correctly.  
>Any ideas? thanks 
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