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Rich mixture 700

posted by  torrec57 on  Wed May 23 04:57 CST 2007
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last visit: Mon Jun 10 09:26 CST 2013
[RELATED]

I had the same on my 964 1996, the engine acts up for a few seconds and then it will act normal for a while. I've replaced the Oxygen sensors, power packs, and air mass sensor with no luck. I noticed the problem usually occurs more often when I fill up the tank. I finally got a P0440 code Evaporative Emission Con. Sys. Malfunction. I then disconnected the Purge Control Valve and after I filled up the gas tank, and a bit of driving around town, there were no more problems.
So I'm thinking of a new Purge Control Valve, about $50.
Hope this helps
--
1996 964 160K, 2000 S70 60K






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New Rich mixture [700]
posted by  hallgm  on Tue May 22 22:39 CST 2007 >
  • New Rich mixture [700]
    posted by  someone claiming to be fixit2003  on Wed May 23 04:40 CST 2007 >


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