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Performance Volvo Cars A forum for those interested in any Volvo performance car from any era, FWD, RWD and AWD! |
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T5 engine revs run on----WHY?Views : 1477 Replies : 4Users Viewing This Thread : |
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#1 |
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My T5 850 1994, is 'running on'. Whats happening is that the revs are not dropping straight away when i take my foot off the acceleration.
When i change gears, in between gears when i press the clutch, the revs rise slightly then drop slowly making gear chAnging feel weird and frustrating, and am concerned why its happening........ ANY IDEAS??? |
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#2 |
Premier Member
Last Online: Apr 10th, 2014 00:01
Join Date: Feb 2002
Location: Tonyrefail
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Have you checked for either sticking throttle cable, or if electronic throttle, sticking actuating mechanism for the throttle potentiometer. It might be the Engine Control Unit developing a fault or it's plug coming adrift as alternatives.
All the best, Peter. |
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#3 |
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Mine does this to and is very common, some ECU's have a built in 'rev-hold' that makes the gearchange smoother and puts less stress on transmission.
As an aside the V6 Mondeo also does this and is usually only noticeable during slow gearchanges. |
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#4 |
VOC Member
Last Online: Apr 10th, 2017 16:55
Join Date: Jan 1970
Location: South Kent Coast
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This tends to be a "feature"
You may be able to make it a bit better by cleaning the throttle body and the idle air value. Do a search on 850 forum for method. Regards. |
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#5 |
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I'm going to clean up the thottle body next week, I've heard you should always get a new gasket if you're doing this yeah?
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