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Search: Posts Made By: carwhat
Forum: Off-Topic Tech 12-31-2010, 01:25 AM
Replies: 23
Views: 84,752
Posted By Ford Man
The inefficiency of the catalytic converter won't...

The inefficiency of the catalytic converter won't affect your fuel mileage unless it's stopped up. Back in the 70's & 80's when it was still legal to remove them from your own cars I removed them...
Forum: Off-Topic Tech 12-31-2010, 12:40 AM
Replies: 23
Views: 84,752
Posted By brucey
Actually, if you're burning that much oil there...

Actually, if you're burning that much oil there is a good chance the Cat actually is damaged, whether that matters is up to you, if it passes it passes. My code is indicating a fault, but it is...
Forum: Off-Topic Tech 12-31-2010, 12:25 AM
Replies: 23
Views: 84,752
Posted By Ford Man
The upstream 02 sensor is one of several sensors...

The upstream 02 sensor is one of several sensors that controls the air/fuel mixture and has nothing to do with the PO420. The downstream 02 sensor takes a reading of the pollutants post catalytic...
Forum: Off-Topic Tech 12-30-2010, 01:39 PM
Replies: 23
Views: 84,752
Posted By Backtobasics
The oil burning is the culprit. Oil is being...

The oil burning is the culprit. Oil is being burned, and it is going out the exhaust, and coating the catalyst, and the oxygen sensor. Converters do not ususally FAIL for no reason. Oil, coolant,...
Forum: Off-Topic Tech 12-30-2010, 09:54 AM
Replies: 23
Views: 84,752
Posted By nemo
I am not a mechanic just a tinker. ...

I am not a mechanic just a tinker.



That is the problem OBII codes. They don't always tell you what to replace. But what the system "thinks" the problem is. If a sensor is reading incorrectly...
Forum: Off-Topic Tech 12-30-2010, 04:38 AM
Replies: 23
Views: 84,752
Posted By brucey
I've lived with my P0420 code for several years...

I've lived with my P0420 code for several years now. You just turn it off when the light comes on. Doesn't affect mileage. I'm pretty sure if you clear the code right before emissions test you'll...
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