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2002 Lexus LS430 4.3L MIL Lamp on
Posted to Asian Driveability on 10/6/2008 8 Replies

Hey guys p0420 system below threshold i replaced o2 sensor in drivers side exhaust manifold still light comes on the o2 sensor i put in was factory please help

8 Replies Received (View Replies)

  Related Documents & Media  2002 Lexus LS430

 
Message Closed w/FIX

car Vehicle Data

2002 Lexus LS430

VIN JTHBN30F02
Engine4.3 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2002 Lexus LS430

VIN JTHBN30F02
Engine4.3 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)