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O2 sensor problem 900 1994

posted by  940 4ever on  Tue Feb 11 11:20 CST 2003
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last visit: Wed Apr 21 11:04 CST 2010
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I suspect my brick has a broken O2 sensor because the gas consumption seems to be increased from 20mpg to 18mpg. If that's really the case would there be any error indicator in the dash that will tell me that I might have problem with the o2 sensor? My other brick s70, has a lamda light to show the problem of the O2 sensor. any similar indicator in the 940 dash?








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O2 sensor problem 900 1994

posted by  Aye Roll on  Tue Feb 11 11:29 CST 2003
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last visit: Tue Oct 14 21:08 CST 2014
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Any problems with the O2 sensor ought to set a Check Engine light. If yours is on all the time, get the codes read and cleared. If it's not on, make sure that it DOES come on when you turn the key ON but haven't started the car yet. If it NEVER comes on, someone has taken the bulb out or it's burnt out.
Check for codes either way.

Service Engine light is not the same thing - that does not indicate any problems.
--
Rob Bareiss, New London CT ::: 86 244DL, 87 244DL, 88 744GLE, 91 244: 808K total







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