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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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2014 XC60 has started to "stutter" in low revs.Views : 304 Replies : 9Users Viewing This Thread : |
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#1 |
New Member
Last Online: Yesterday 21:13
Join Date: Apr 2023
Location: Blackpool, Lancashire
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Hi Guys. I hope some clever soul here can shed some light on a problem that has recently developed on our 2014 XC60 2.0l Diesel FWD183.
As I gently accelerate from standing start, it seems to momentarily loose power and the car judders a little. This happens repeatidly until the car is quick enough to change to 3rd. Its prevalent in 1st and second gears. It's not noticeable if you hard accelerate from standing and it seems to pull really well like this. I have completed some standard changes. I first changed the diesel filter and though the car seemed to increase performance slightly, it did not stop this symptom. I have changed the air filter and cleaned MAF sensor. I have also used VDASH to check for faults and none were reported. I also asked a mechanic friend to check codes on a Snap On scanner and again, it came up clean. There is also on occassion a "Low Engine Performance " warning on the dash. It feels to me as though it may be fuel or air starvation or perhaps a cracked intake pipe but basic inspection did not show this. I am beginning to worry that its something sinister so any help would be hugely appreciated. Thanks guys Paul |
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#2 |
Senior Member
Last Online: Yesterday 22:20
Join Date: May 2011
Location: Southampton
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Can Vdash show live data? If it can, try a drive while displaying the target EGR position, actual EGR position, and EGR error. I’ve caught mine hesitating when the EGR appears to overshoot - effectively momentarily choking the engine. It’s rare and momentary at the moment but I’m planning to clean the valve to hopefully stop it soon.
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2015 V60 R-Design D4 (VEA) 2009 C30 R-Design 1.6 (petrol) |
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#3 | |
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Last Online: Yesterday 21:13
Join Date: Apr 2023
Location: Blackpool, Lancashire
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#4 |
Senior Member
Last Online: Yesterday 22:20
Join Date: May 2011
Location: Southampton
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It’s an iPhone app called Car Scanner:
https://apps.apple.com/gb/app/car-sc...2/id1259933623 The adaptor I got doesn’t seem available anymore, it was called ELM327 Viecar. The app description has recommended adaptors listed.
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2015 V60 R-Design D4 (VEA) 2009 C30 R-Design 1.6 (petrol) |
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#5 | |
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Last Online: Yesterday 21:13
Join Date: Apr 2023
Location: Blackpool, Lancashire
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ECM-P00BC00 Mass or Volume Air Flow A Circuit Range/Performance - Air Flow Too Low. General Failure Information. No sub type information. At least its a clue. I will investigate more but not sure my knowledge is good enough but it seems 1. Leaking manifold gasket 2. Faulty MAF sensor 3. A vacuum leak. |
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#6 | |
Junior Member
Last Online: Yesterday 08:29
Join Date: Dec 2023
Location: Lancs
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Produced occasional hesitation followed by turbo shutdown at 2500rpm. I could reset the codes and drive it no problem upto 2500 rpm,,,as soon as it asked for more boost it coughed and gave up, I suspect the split actually closed at low rpm but under boost opened up. https://i.postimg.cc/MK5TgkrH/20240312-123335.jpg |
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#7 |
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Last Online: Yesterday 22:20
Join Date: May 2011
Location: Southampton
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I think EGR leaking could cause this as exhaust leaks into the intake instead of fresh air through the MAF…?
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2015 V60 R-Design D4 (VEA) 2009 C30 R-Design 1.6 (petrol) |
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#8 |
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Last Online: Yesterday 21:13
Join Date: Apr 2023
Location: Blackpool, Lancashire
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Finally I got my Vida working with this car. I ran DTC trace and found several faults, most of which refered to a door lock position.
I had no ECM faults. So I cleared the faults and drove to work in the hope new faults pertaining to this stutter would show. I did get 2 new faults: 1 Software incompatibility 2. Unknown fault I have attached the pdfs from vida and ask anyone who can to shed some light on these. Could it be the previous owner remapped it? I am going to use the weekend to remove the EGR and clean it properly. There is actually a great youtube video on this so will have a pop at it to see if this can help. Thanks again for any help Paul |
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#9 |
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Last Online: Yesterday 22:20
Join Date: May 2011
Location: Southampton
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Looks similar to the issues in this thread mate:
https://www.volvoforums.org.uk/showt...php?p=2903516& Exhaust manifold pressure sensor maybe? Seems like it’s usually that or the EGR with this engine!
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2015 V60 R-Design D4 (VEA) 2009 C30 R-Design 1.6 (petrol) |
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#10 | |
New Member
Last Online: Yesterday 21:13
Join Date: Apr 2023
Location: Blackpool, Lancashire
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I will of course take a look at this sensor to see if i can remove it and to check its condition. I have no idea where to find this pressure sensor but will research its location. This weekend is dedicated to EGR removal and clean |
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