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Lotus Service Notes Section EMR
P0140, P0160
Monitor:
• Continuous
Enable Criteria:
• Engineruntime>30seconds
• Engineisnotatidle
• Engineisinclosedloopfuelcontrol
• Oxygensensorsready
Disable Criteria:
• None
Malfunction Criteria:
• Setwhenthesensorfailstoswitchabove673mVandbelow400mVwithin60seconds.
Potential failure modes:
• Checkandrectifyanyfrontsensorfaultcode,astheymaybecausingthefaultcodetobeset
• Sensorconnectorandwiringshouldbecheckedforcorrosionandlooseconnections
• Catalyst
• Gasleakinexhaustsystem
Diagnostic Mask:
• TheMILwillbeilluminatedifthesefaultsarepresentfor2consecutivetrips.
P0141, P0161
Monitor:
• Continuous
Enable Criteria:
• Engineruntime>20seconds
Disable Criteria:
• None
Malfunction Criteria:
• Setwhentheheateroutputisgreaterthan1900mAorlessthan250mAfor1.5seconds,for40consecutive
checks.
Potential failure modes:
• Sensorconnectorandwiringshouldbecheckedforcorrosionandlooseconnections
Diagnostic Mask:
• TheMILwillbeilluminatedifafaultispresentfortwoconsecutivetrips.