I've replace the read O2 sensor and reset the code.
How many miles need to be driven the get the data to be ready?
Emission related items a still showing not ready after about 100 miles.?
Any advantage to just disconnect the battery to get it to relearn everything?
-Os
1996 850 GLT OBDII Reset
1996 850 GLT OBDII Reset
1996 850 GLT 262k miles (gone
)

1999 Honda Civic (gone)
1996 850 GLT (gone, no more Volvos
)
2000 Buick Park Avenue (gone)
2005 Honda Odyssey (gone)
2013 Lexus ES350 (replaced Volvo 850)
2021 Honda Pilot
1999 Honda Civic (gone)
1996 850 GLT (gone, no more Volvos
2000 Buick Park Avenue (gone)
2005 Honda Odyssey (gone)
2013 Lexus ES350 (replaced Volvo 850)
2021 Honda Pilot
- misha
- Posts: 5379
- Joined: 7 December 2008
- Year and Model: '97 850 2.5 20v
- Location: Serbia
- Has thanked: 152 times
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There is a relearn procedure for these cars.
Also,there is a special driving cycle for forcing monitors to read ready.
Without relearning or driving cycle procedures it can be more than 1k miles for monitors to become ready.
Also,there is a special driving cycle for forcing monitors to read ready.
Without relearning or driving cycle procedures it can be more than 1k miles for monitors to become ready.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS
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