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Rough Idle and unable to read codes 850 1994

posted by  Erwin on  Tue Jul 2 07:37 CST 2002
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last visit: Thu Oct 23 10:39 CST 2014
[RELATED]

Phil,

Right off the bat I'd suspect vacumn leaks. Well documented at:

http://www.volvospeed.com/Repair/vacuum_lines.htm

The rubber elbows deteriorate and leak air into the intake manifold. Looks like a pretty easy DIY job.

As far as codes, if your 94 is like my 95, I think you're supposed to plug into the "A2". It's the module on the left, left center hole. Your reference to "#6" doesn't ring a bell.
--
Erwin in Memphis, '95 855t






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