I have recently gotten the check engine light, relating to my catalytic converter. I tried clearing the light myself, and it came back twice. It since went away on it's own.
My questions are:
1. Has anyone had to replace the catalytic converter yet on their Pilot?
2. If you did replace it, did you go Honda or aftermarket?
3. Has anyone seen a loss in MPG when this error code shows (P0420)?
115,000 miles on my 05
P0420 - catalyst system efficiency below threshold bank 1
2005 Pilot EX - L. The L is for Love.
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I had mine replaced last summer...05 EXL...59,000 miles.
CEL was on with code P0430...(Bank 2)
cause:faulty front cat converter.
covered under warranty.
Also,always buy the OEM cat.
my friend's car replaced his with an aftermarket cat....
CEL came back in less than a year....
he had to change it again with the OEM converter....
no more CEL. regarding the cat.
I had mine replaced at 81,xxx by the dealer,lucky they covered it even tho it was 1,000 miles over the warranty.I also had the P0420 code that came and went as it pleased,always replace with oem cat,I hear that they could be pricey but and aftermarket may cause problems later down the road costing you more money.