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.

idle ?

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Old Jun 6, 2008 | 05:03 PM
  #1  
je850's Avatar
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Default idle ?

I am idling at 1000 rpm and it wont adjust down.
 
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Old Jun 7, 2008 | 05:29 AM
  #2  
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JPN
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From: IPS, MA
Default RE: idle ?

Check for:

- Fault codes in the ECU.
- Vacuum leak.
- Throttle body clean.
- Throttle cable adjustment.
- Other members' advice.

Also tell us what trim model you have; turbo orNA.


JPN

[IMG]local://upfiles/6892/164BCD607EDA47569F7437D2CF70DEF8.jpg[/IMG]

[IMG]local://upfiles/6892/6D0F29B3E5374C2DA7669730882F212D.jpg[/IMG]

[IMG]local://upfiles/6892/ED04A4C79E4C492F9933A830A40AB808.jpg[/IMG]

[IMG]local://upfiles/6892/D81820149CD3457DBE5FF71192498EDE.jpg[/IMG]
 
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Old Jun 7, 2008 | 10:08 AM
  #3  
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Default RE: idle ?

Sorry 1997 t-5 with 90000 mi. I have cleaned the throttle body and there does not seem to be any more adjustment but the car runs great. cant find any leaks thanks
 
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Old Jun 7, 2008 | 10:12 AM
  #4  
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Default RE: idle ?

Just looked at the diagram and it shows an idle stop cant tell from the pic if thter is a adjustment it looked like the rod was the only adjustment
 
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Old Jun 7, 2008 | 10:14 AM
  #5  
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Default RE: idle ?

Clean the idle motor.
 
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Old Jun 7, 2008 | 10:46 AM
  #6  
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Default RE: idle ?

i'd leave the idle stop alone...once you adjust it, the ecu has a hard time adjusting itself.
 
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Old Jun 7, 2008 | 11:45 AM
  #7  
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Default RE: idle ?

JNP thanks for the info was looking at the first diagram and the first thing it says to do is the tps switch but it does not show it in the diagram
 
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Old Jun 7, 2008 | 12:53 PM
  #8  
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JPN
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From: IPS, MA
Default RE: idle ?

Follow Tech's advice. Then, visit a local Autozone/other parts shops that provide free OBD-II diagnostic services and have them pull codes with a decent scanner.


JPN (or was it JNP?)

[IMG]local://upfiles/6892/8920B4BA22BD4976B2936579877D4A25.jpg[/IMG]

[IMG]local://upfiles/6892/4D10E25300934BE0BC89E07744964279.jpg[/IMG]

[IMG]local://upfiles/6892/B092653D0CDD4AD0A17F71F57B7673F0.jpg[/IMG]

[IMG]local://upfiles/6892/9584E117C5224029996DB2FABB34F9FD.jpg[/IMG]
 
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Old Jun 7, 2008 | 12:55 PM
  #9  
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JPN
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From: IPS, MA
Default RE: idle ?

The more, the better approach (but these tests would probably drive you nuts).


JPN

[IMG]local://upfiles/6892/7713F7BCAE5147DDA105392F566858A6.jpg[/IMG]

[IMG]local://upfiles/6892/8B6174CE6A4C436B8C455D107A9D964D.jpg[/IMG]

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