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can't read knock and inj. duty

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vinh766

15+ Year Contributor
137
2
May 20, 2003
SoCal - ATL - PHX, California
i just got a datalogger from digital tuning and a palm m105 from ebay. i can't seem to find out how to read my knock and my injector duty cycles. i am running it on a 1995 eclipe gst with the obdII setup.
 
vinh766 said:
i just got a datalogger from digital tuning and a palm m105 from ebay. i can't seem to find out how to read my knock and my injector duty cycles. i am running it on a 1995 eclipe gst with the obdII setup.

OBDII can not read out knock and injector duty cycle. That's only for OBDI 1gen cars (1990-1994).

The best thing us 2g OBDII cars can do is log timing advance; knock will cause timing to not advance or drop.
 
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