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1998 Honda Accord LX 2.3L MIL Lamp on
Posted to Asian Driveability on 5/11/2005 30 Replies

P0420, Do you think converter is faulty, or could the rear HO2S be reading incorrectly? I have a friend that owns a muffler shop, he said it is rare for a Honda cat to be bad. I ran at 2000RPM in Park, monitored both HO2S with scanner. Front one toggles from a...

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  Related Documents & Media  1998 Honda Accord LX

 
Message Closed w/FIX

car Vehicle Data

1998 Honda Accord LX

VIN 1HGCG5649W
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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

car Vehicle Data

1998 Honda Accord LX

VIN 1HGCG5649W
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)