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Search: Posts Made By: waiter21
Forum: Vue Tech 12-15-2016, 09:31 AM
Replies: 7
Views: 2,951
Posted By waiter21
Re: P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

P0410 - No. My Vue doesn't have an aux air pump. Google the Saturn p0410 and there are a lot of suggestions for dealing with the 410. (clogged or plugged aux air ports.

FYI - Its now Mid Dec, ...
Forum: Vue Tech 11-04-2016, 04:15 PM
Replies: 7
Views: 2,951
Posted By waiter21
Re: P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

As I mentioned, the downstream doesn't control anything. Its there to test the cat converter only.

If you are running rich and have soot, you need to deal with that. The rich mixture will...
Forum: Vue Tech 08-17-2016, 03:03 PM
Replies: 7
Views: 2,951
Posted By waiter21
Re: P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

UPDATE - Its been over 3 months a a couple thousand miles. P0420 never came on again... :D
Forum: Vue Tech 05-09-2016, 12:01 PM
Replies: 7
Views: 2,951
Posted By waiter21
Re: P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

IMPORTANT NOTE - DO NOT use the de-foulers on the upstream O2 sensor - The Upstream sensor controls fuel air mixture real time, You could get mixture rich, mixture lean, and even damage the cat...
Forum: Vue Tech 05-05-2016, 07:51 AM
Replies: 7
Views: 2,951
Posted By waiter21
P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

I've been driving the Rescued Vue Thats what my wife calls it, kind of like rescue dogs, but this is a rescue car :D :D :D

The Vue has been running well with no problems since I got the P0171 and...
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