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Check Engine Codes


ozo
09-09-2004, 11:30 PM
Can anyone tell me what the following Check Engine Codes mean?

P0 420 Mod $ OE
Catalyst Efficiency Below Threshold
<Bank 1>

My Vehicle is a 98 Acura CL 3.0

Thanks
CivicSpoon
09-10-2004, 12:06 AM
Probably means your cat is clogged.
Xesss
09-10-2004, 03:51 AM
you have to get a new cat

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