Volvo AWD 850 Forum

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Service Engine Light on for 3 min then off 850 1994

posted by  850RCKT on  Mon Apr 22 11:56 CST 2002
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OK .........I need help
I have a user re-setable Service engine lamp......I think
I plug in the jumper under the hood to A-7,turn on Ign.
press the Program button 4x, pause,1x,pause,5x,pause,1x.......
Restart the car ( like windows 98 ) but still have light on
only for 3 min or so....What am I doing wrong ..........Besides
not having a dealer fix this LOL. I am determined to fix this
with your help...Just like the Rattles post from a few days ago
you helped me with.

Thanks
--
Erik Volvo 854T 1994 Daily Driver and Project car








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Service Engine Light on for 3 min then off 850 1994

posted by  someone claiming to be Steve on  Mon Apr 22 12:10 CST 2002 [RELATED]

Go to volvospeed.com to get the whole proceedure. Two things, turn the key to position ll first, then put the jumper in A-7, and does the LED blink back with a response???? If it doesn't respond something is not hooked up.








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Service Engine Light on for 3 min then off 850 1994

posted by  someone claiming to be underboost on  Wed Apr 24 11:21 CST 2002 [RELATED]

I've been putting the pin in a-7 as the first step. (1994 850T). Have never had a problem resetting the light for the past 8 years.








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Service Engine Light on for 3 min then off 850 1994

posted by  850RCKT on  Mon Apr 22 14:10 CST 2002
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Good call Steve......

Ignition on
Jumper in A7
4
wait
1
wait
5
wait
1
Ign off

On and start

You helped me fix it............Thanks


Remember 4151.........I will help others w/ this too
--
Erik Volvo 854T 1994 Daily Driver and Project car







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