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Old 06-01-2006   #1
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Exhaust warning light

Got a problem here. The "exhaust system" warning light comes on for no apparent reason. Got the treg back to dealer for servicing and they claim to have the "exhaust system" warning light turned off as there wasn't any problems with the exhaust system. True enough, it was turned off, however, it came back on just the next day. Anyone got any idea on what might be wrong?

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Old 06-02-2006   #2
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in other cars that usually means your oxy sensor is dead or cat convertor.. either way the cat convertor will be eventually wrecked if the oxy sensor is dead..

ie runs too rich destroys cat or may wash engine bores..

have it checked out properly

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Old 06-02-2006   #3
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Ok, thank you so much for the tip. Will get it checked out again.
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Old 06-02-2006   #4
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Ok, thank you so much for the tip. Will get it checked out again.
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Old 06-02-2006   #5
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lambda sensor problem ?
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Old 06-02-2006   #6
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frank is right to i believe as the lambda closed system relies on the accurate sensor data for setting correct air/fuel ratio
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Old 06-02-2006   #7
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yup, read up about it. Thanks for the help. Will bring the car back to inspection nxt week.

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