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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  #61  
Old 03-30-2009, 08:14 PM
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Really long crank time.
 
  #62  
Old 03-31-2009, 03:40 PM
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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
 
  #63  
Old 03-31-2009, 07:27 PM
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Could be very possible.

When upshifting yes the RPM's will drop some.
 
  #64  
Old 04-09-2009, 02:25 PM
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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 04-10-2009, 11:05 PM
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  #66  
Old 04-11-2009, 11:12 AM
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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.
 
  #67  
Old 04-11-2009, 11:23 AM
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The one I linked is what you need.
 
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