LT1/LT4 Tech 1993-1997

DataMaster -- LTerm Counts read low (108) running rich...

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  #1  
Old 04-11-2012, 04:20 PM
tylerwerrin's Avatar
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Default DataMaster -- LTerm Counts read low (108) running rich...

Hi guys,

I've been doing some diagnostic work on my car, and I've noticed that my LTerm Counts in DataMaster are coming in at 108. They go up from time to time, but normally they are hovering around 108 -- very rarely do they make it to the desired 128.

My STerm Counts are usually OK -- sometimes slightly low (125/126). What can I do about addressing this problem? I know the car is running rich because I can smell it -- It's been a nagging problem for a while.

New Opti, plugs, wires, coil, fuel pressure regulator & recently had the fuel system cleaned.

I have TunerCats, so I can change the tables -- but I don't know why the LTerm Counts would be so low.

Any help would be great!

Thanks,

Tyler W.
 
  #2  
Old 04-11-2012, 06:49 PM
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how old are the 02 sensors?
 
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Old 04-12-2012, 11:23 AM
tylerwerrin's Avatar
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O2 Sensors are about 500 miles old... i replaced them with the Opti.
 
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Old 04-12-2012, 10:43 PM
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how is it running. 128 is perfect. i think a little under that is good. you are still low for some reason. i need to get me a pc so i can data log.
 
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