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Old 05-28-2004, 12:23 PM   #15
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jeep4523 is on a distinguished road
Join Date: Mar 2004
Location: Cincinnati
Posts: 1,043

1997 SL2
1994 SL2

Originally posted by Luke
Can you not have an Oxygen Sensor becoming 'sluggish', cycling slower, or erratically going off line (resulting in the system going into open-loop status), all happening without the system setting a code ? I'm suggesting that when this happens, the air/fuel mixture will go richer, and over time, will result in the egr developing a carbin build up. All of this resulting in a EGR code being set, without any indication of an Oxygen Sensor in the initial phase of failing.
I would tend to trust a Factory Trained Service Technitian who used to deal with things like this all the time to know the signs involved with different problems.

A/F messes with fuel delivery, not EGR functions.

Democracy is two wolves and a sheep voting on what to have for dinner. Liberty is a well armed sheep contesting that decision.


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