HELP!!
Re: HELP!! i had the exhaust checked for leaks by a few exhaust shops, they all said they didnt find any leaks. the cats have been on the car at least since i bought it about a year ago. but ive only been having this problem for a few months. any ideas why? thanks
TECH Senior Member
Joined: Nov 2001
Posts: 8,423
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From: Friendswood,TX
Re: HELP!! P0420-Catalyst System Low Efficiency
P0430-Catalyst System Low Efficiency Bank 2
Sounds like the cats are going bad. Do you have any tuning? You might be running too rich and the catalyst is spent in your cats.
P0430-Catalyst System Low Efficiency Bank 2
Sounds like the cats are going bad. Do you have any tuning? You might be running too rich and the catalyst is spent in your cats.
TECH Senior Member
Joined: Nov 2001
Posts: 8,423
Likes: 0
From: Friendswood,TX
Re: HELP!! Yeah your running rich and you need some tuning. You might need new cats, but I would get the tuning done first. This is what causes your cats to fail. Running rich will do it.
<img src="http://www.discountconverter.com/converters/images/diagnoseconv.JPG" alt=" - " />
<small>[ January 30, 2003, 03:21 AM: Message edited by: Toxic Texan ]</small>
<img src="http://www.discountconverter.com/converters/images/diagnoseconv.JPG" alt=" - " />
<small>[ January 30, 2003, 03:21 AM: Message edited by: Toxic Texan ]</small>
