Volvo AWD 850 Forum

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'95 850T 850

posted by  someone claiming to be dpsc on  Tue Sep 13 11:08 CST 2011 [RELATED]

The check engine came on last week, but didn't stay on.

I checked for codes (A2) and I'm getting a 1-4-3; front knock sensor signal.

This is something I've never replaced on the car and was wondering if it's serious. What the hell is a knock sensor for?

It's running fine, so I guess I won't fret much.

Thanks, Dan.








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'95 850T 850

posted by  KlausC on  Tue Sep 13 16:31 CST 2011
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Clear the code and use premium grade gasoline.

Klaus
--
Did you do your Random Act of Kindness today?








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'95 850T 850

posted by  someone claiming to be fixit 2002 on  Tue Sep 13 15:05 CST 2011 [RELATED]

It can affect the timing and fuel economy. It's rather involved to replace because you need to remove the intake manifold.







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