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So I got a po420 code from my check engine ordeal. #64569 06/26/02 08:48 PM
Joined: Jun 2002 Posts: 4 Whitinsville MA D destroyed OP Junior Member
OP destroyed Junior Member D Joined: Jun 2002 Posts: 4 Whitinsville MA	It says in the manual "catalyst system efficiency below threshold bank 1" the car is a four cyl. automatic. 1996 anyone have any ideas. i have heard the 02 sensor but they didn't seem too confident at auto zone. I'd rather push a Ford than drive a Chevy!

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Subject	Posted By	Posted
So I got a po420 code from my check engine ordeal.	destroyed	06/26/02 08:48 PM
Re: So I got a po420 code from my check engine ordeal.	Kirill	06/26/02 11:00 PM

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