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Check Engine Light ON ... why?????

posted by  S80Man on  Sat Aug 31 02:14 CST 2002
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400 hundred miles on my new Volvo and my first long trip ... check engine light comes on. It is not the gas cap, because I am still driving with the first tank of gas from the dealer. The car runs fine ... no text messages to stop immediately or repair immediately. I have a call in to the dealer, but I am 200 miles away. What could be the problem? Anyone have a similar experience?

Thanks








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Check Engine Light ON ... why?????

posted by  someone claiming to be bill on  Sat Aug 31 06:25 CST 2002 [RELATED]

There have been a lot of Brake control (ABS) modules lately. The engine/trans ECU'S rely on road speed info from this module to regulate injection and shifting. Or, it could be any of several hundred other possibilities. Possible software glitch. If there are no "stop immediately" messages, it's probably safe to drive. However, if you are uncomfortable, give On call a call, and tow to the nearest dealer for diagnosis.








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Check Engine Light ON ... why?????

posted by  davidm on  Sat Aug 31 05:04 CST 2002
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Chances are you can drive for a while this way. The CE light comes on when there's a fault anywhere in the emissions control system (O2 sensor, smog pump failure, EGR, etc). This includes any fault in the fuel charging system.

The system as you can well imagine is pretty complex, and it needs a good scan by the dealer or other Volvo tech (dealer or independent).
--
David (98 S70 T5SE Black, misc mods (mostly lighting), red calipers) (92 940GLE)








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Check Engine Light ON ... why?????

posted by  someone claiming to be Frustrated on  Sat Aug 31 05:01 CST 2002 [RELATED]

What you need is some good OBD software to give you a full readout of the fault codes. (Sorry. Bad joke. Read post below.)







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