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Acura
CL
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
Code P0420
FBURKS
MEMBER
ACURA CL
97 acura cl 2.2 120k miles the code indiacates catalyst system efficiency below threshold Bank (1) any idea on how to correct
Monday, October 29th, 2007 AT 10:21 AM
1 Reply
LOSTINMARS
MECHANIC
222 POSTS
Replace the catalytic converter and based on the mileage the 2 o2 sensors as well.
P0420/p0430 are 2 of the most solid codes out there. The only way i'd say it might be something else is if the car was newer and the miles very low.
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Monday, October 29th, 2007 AT 1:14 PM
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