[s-cars] O2 sensor seems to be the most commen culprit of decliningmpg, rich mixture?

[Mark Strangways]

An open thermostat also really affects mileage. More so that I would have
first thought.
But BTDT, and got the fuel bills. Changed stat's and it picked up huge.

Mark S
----- Original Message ----- 
From: "forrest bradshaw" <sola4est at yahoo.com>
To: <s-car-list at audifans.com>
Sent: Thursday, January 29, 2004 4:08 PM
Subject: [s-cars] O2 sensor seems to be the most commen culprit of
decliningmpg, rich mixture?


> is this true?
>
>
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