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Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

rough running while in gear

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Old 01-07-2009, 02:12 PM
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Default rough running while in gear
850 idles rough almost a shake... also at start up, after getting warm seems to subside in Park or Neutral...still shakes in drive or rev. Has a P0410 code
 
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Old 01-07-2009, 02:38 PM
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Default RE: rough running while in gear
Probably a vacuum leak somewhere. These cars are known for that.
 
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Old 01-07-2009, 07:54 PM
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Default RE: rough running while in gear
I was unable to find the definition for P0410 in my manual.

Retiring engine mounts?

See attached FYR.


JPN

[IMG]local://upfiles/6892/B67B0FB85FD0434386FB8BA08DCDF36D.jpg[/IMG]

[IMG]local://upfiles/6892/19B3D10C09864E899159E7FD6805C32A.jpg[/IMG]
 
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Old 01-08-2009, 08:01 AM
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Default RE: rough running while in gear
As above, check the motor mounts and for a vacuum leak. It should idle smoothly. WHen was the last full tune up done?
 
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Old 01-08-2009, 10:33 AM
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Default RE: rough running while in gear
same problem i was maybe thinking tranny
put allnew plug wirescap and rotor did nothing
replaced upper motor mount also so open to ideas
 
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Old 01-08-2009, 01:11 PM
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Default RE: rough running while in gear
Do you hear a misfire from the muffler? Try some injector cleaner and also clean/check MAF sensor.
 
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