Volvo S40 The S40 is Volvo's most affordable sedan with all the amenities of a luxury sports car.

Really bizarre scary problem!

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Old Mar 30, 2009 | 08:14 PM
  #61  
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Really long crank time.
 
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Old Mar 31, 2009 | 03:40 PM
  #62  
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Really? That's good news!

I noticed something else as well. My idle fluctuates when I'm slowing down. It will go down to ~800 RPMs but then as I'm slowing down it jumps back up to 900-1000 before settling right at ~650 RPMs. I'm hoping this is all caused by the thermostat, ECT sensor, and crankshaft sensor. What are the odds of that?

Also one last quick question: when an s40 shifts how far should the RPMs go down? Does it vary at all?

Thanks
 
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Old Mar 31, 2009 | 07:27 PM
  #63  
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Could be very possible.

When upshifting yes the RPM's will drop some.
 
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Old Apr 9, 2009 | 02:25 PM
  #64  
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Anyone have the part # of the coolant temp sensor by chance?
I got everything except this replaced because the one I had wasn't the right one.

THanks!
 
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Old Apr 10, 2009 | 11:05 PM
  #65  
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Here you go.
http://www.fcpgroton.com/product-exe...ategory_id/194
 
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Old Apr 11, 2009 | 11:12 AM
  #66  
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ya that's completely different than what myswedishparts sent me!
they sent me an IAT sensor? It has the same part number I think.
 
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Old Apr 11, 2009 | 11:23 AM
  #67  
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The one I linked is what you need.
 
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