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2003 Volvo S60 AWD , stalls, fan problem

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earthworm
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2003 Volvo S60 AWD , stalls, fan problem

Post by earthworm » Tue Oct 01, 2019 2:44 pm

An ambivalent temp of 70, beautiful fall day ..
Start up and then idle - nigh perfect , a little roughness.
Idled for 20 plus minutes, but the cooling fan never engaged ! The temperature gage stayed on 12 noon, , warm up was normal - fast .
The coolant temp was at 180 degrees , at the reservoir ..
Shut her down, let rest for two minutes and restarted - she ran fine for 5 to 10 seconds and then abrupted ''died''.
Five minutes later - A quick start-up .. one second later, she ''turns off' .
The fuel pressure was good at the rail ..
Fuel economy .. around 20-22 mpg - over a thousand miles ..
5 cylinder, T, AWD, 135 K.
No codes - now .
My experience is that a DIC will not cause codes, right away .. and will function well when cold .



earthworm
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Re: 2003 Volvo S60 AWD , stalls, fan problem

Post by earthworm » Thu Oct 03, 2019 8:19 pm

This may be a computer problem ..
Now the dash panel temp gage is "dead"



earthworm
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Re: 2003 Volvo S60 AWD , stalls, fan problem

Post by earthworm » Fri Oct 04, 2019 6:55 pm

1,800 ohms, cold at the temp sensor
At a cold startup, she was really rough, with fluctuations between 1 and 1.6K RPM ; then she smoothed out.
Now the "check engine lite is aglow and the temp gage is ''dead''.



earthworm
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Re: 2003 Volvo S60 AWD , stalls, fan problem

Post by earthworm » Sat Oct 05, 2019 11:23 am

Today, ambivalent temp, 60 degrees, engine cold.
Quick, normal start up, but then severe hunting and fluctuation ( 1,000 to 1600 rpms) but no stall.
Check engine lite ON
Ran for 20 seconds, then I shut her down .
I think the temp sensor is OK .. seems to be a computer problem



volvolugnut
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Re: 2003 Volvo S60 AWD , stalls, fan problem

Post by volvolugnut » Sat Oct 05, 2019 6:48 pm

Did you read any codes after today's start? Do you have a code reader that reads specific Volvo codes or is it a generic code reader? I found the first code reader I purchased will only read general codes and I needed a Volvo code reader to get details. The second one is no way as good as Vida, but gives more information than the first reader. My point is not all readers are equal.
Your problem sounds like my experience with failing ETM (electronic throttle module). Has your ETM ever been replaced? Was is the Volvo supplied replacement or XeMODex? It could be as simple as a poor connection in the harness to the ETM.
Do you get normal throttle response when this occurs? Can you raise RPM above 2-3000 RPM or is response limited?



earthworm
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Re: 2003 Volvo S60 AWD , stalls, fan problem

Post by earthworm » Sun Oct 06, 2019 1:43 pm

Its a generic code reader - sufficed for both the Honda and the SAAB , now, as it is ten years old, its reliability is in question .
Yesterday, the check engine lite became aglow - again
ERRATIC is the rule of the day .
The electronic throttle module is buried under the intake manifold ..A $500 task ? just to access it .
RPMs ?? yes, I have blipped it to three grand - once .. I'd say that the throttle response is good … but ….
I do think the ETM is original
Maybe its VIDA time …
Connections , today seem to be bullet proof , the quality is that high, but I will never forget some VW electrical connections - metal over paint !
I think the problem is a failing (good yesterday, iffy today, toast tomorrow) thermosensor on the thermostat housing ..Overheating may have hurt it - severely ..
"thermosensor" should be a word !
Thank you, for the informative reply .



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