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CEL, 'system too rich (bank 1)

posted by  HD on  Mon Dec 26 03:26 CST 2005
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last visit: Sun Jan 15 12:09 CST 2012
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Morning Guys & Gals:

Hope all had a Merry Christmas. Coming back from my sons house last night the CEL light came on. Got the old Scanner out this a.m and got the following code: "System Too Rich (Bank 1)". I did notice coming back from Alabama last Monday that my mileage had dropped off from around 30 on the highway to about 26 so I knew something was not quite right. Now that the light has come on it makes sense. What is the probable cause of the "system too rich"?

Thanks in advance!!

Henry

97-850/100k, 98-S70/95k

before: 82-/260GLE,84-240GL,85-740GLE,91-740 & 92-940GL all with tons of miles on them. My 940GL was the best one of them all!







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