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Home >> Subaru >> 2005 >> Outback XT Limited, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0172 System Too Rich (Bank 1) >> Diagnostic Method >> Judgment Value
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Judgment Value

JUDGMENT VALUE

Malfunction Criteria Threshold Value
fsobd = (sglmd - tglmda) + faf + flaf </= fsobdR1
where, See Map 4
sglmd = measured lambda fsobdR1 = rich side threshold value of fsobd
tglmda = target lambda  
faf = main feedback compensation coefficient every 64 milliseconds  
flaf = main feedback learning compensation coefficient  


JUDGMENT VALUE

Malfunction Criteria Threshold Value
fsobd = (sglmd - tglmda) + faf + flaf >/= -20%