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1998 Honda Civic CX 1.6L MIL Lamp on
Posted to Asian Driveability on 3/27/2009 24 Replies

we changed catalyst and both o2 and nothing changed,always p0420, is it possible of a leak at the manifold gasket,he is new

24 Replies Received (View Replies)

  Related Documents & Media  1998 Honda Civic CX

 
Message Closed w/FIX

car Vehicle Data

1998 Honda Civic CX

VIN 2HGEJ6326W
Engine1.6 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Po420

Trouble Codes

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

car Vehicle Data

1998 Honda Civic CX

VIN 2HGEJ6326W
Engine1.6 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Po420

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)