2001 Ford Taurus Oem Code 0420 Catalyst Efficiency Low Bank 1 Oxygen Sensor

2001 FORD TAURUS
133,900 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
OEM code 0420
Catalyst efficiency low bank 1
oxygen sensor monitor the catalytic converters ability to store oxygen
Probable cause
Catalytic converter defective
Mar 27, 2013 at 6:09 PM
Advertisement
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.