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P0140 Diagnostic Trouble Code Discussion for February 2004

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity


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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
1997 Mercedes-Benz E420 4.2L MIL Lamp on VIN: WDBJF72F8V
P0140: right o2 after cat no activity. ... through friend at auction. when we first got it in it had a dead cyl #4 and associated p0304. also had other codes but cust wanted to fix miss first. removed coil and plug found water in tube and carbon tracked plug (found out engine was detailed)changed a...
February 17, 2004
1997 Mercedes-Benz E420 4.2L MIL Lamp on VIN: WDBJF72F8V
P0140: right o2 after cat no activity. ... through friend at auction. when we first got it in it had a dead cyl #4 and associated p0304. also had other codes but cust wanted to fix miss first. removed coil and plug found water in tube and carbon tracked plug (found out engine was detailed)changed a...
February 18, 2004