Engine: D5: - 2005 D5: Intermittent "Engine Service Reqd" and no boost - Page 2

cheshired5 · Dec 1st, 2015, 12:47

Get your MAF figures at idle then at 1,2,3,4k revs.

Squealey · Dec 1st, 2015, 13:06

What's the condition of your intercooler? My S60 D5 does the same thing, accelerate off a roundabout, overtake, anything at full throttle and it hiccups and goes into limp mode.

I got the same code (I think) and having looked at my intercooler (the middle radiator if I remember correctly) its quite badly bowed and seeping oil out of it. I think I read that if its leaking then the turbo may think it's over boosting and shut the wastegate causing limp home mode and throwing up that code. (But I stand to be corrected on that!)

I'm getting a new intercooler as a Christmas pressie and have everything crossed that will fix it. If not, back to the drawing board, but my intercoolers definitely stuffed so its not going to hurt to change it.

Cheers

Wayne

sharklaar · Dec 1st, 2015, 13:47

Actually, the engine mount might be the problem, looking at this thread:

http://www.volvoforums.org.uk/showthread.php?t=100016

I have the same problems - very little power at low revs and a sudden burst of power at about 2k. Something causing loss of vacuum somewhere...

sharklaar · Dec 1st, 2015, 13:48

Will check MAF readings and intercooler when I get home later....

potshot · Dec 1st, 2015, 14:42

Quote:

Originally Posted by sharklaar

Well it took ages but finally got hold of a code reader. The only fault it had logged was P0244 - Turbocharger wastegate solenoid 'A' range/performance.

A quick search of the interwebs says this could be a few different things, and one guy took it to Volvo and they said the code was wrong, and in fact it was a leaky engine mount!

Sounds like just diagnosing this one might be a bit of a PITA...

I was going suggest wastegate solenoid because it seems to be a common problem on many makes of turbo fitted cars.

Longhouse21 · Dec 1st, 2015, 15:40

P0244 generally equates to Volvo code ECM6805 as per the sticky.
Check through the mounts & tubes, solenoid operation for TGV & TCV, check the fresh air intake hose for splits/collapse and the intercooler, sticky vanes on the turbo. 6805 referes to boost high or low and really means that there is a mismatch between the required air inlet and that measured by the MAF. It could relate to a MAF or MAP fualt (but they should also throw a code) or andything else that could cause a mismatch in calculated v measued air flow, or as in my case, a collapsing 1st CAT. It's been said that the faults with the fuel filter, air filter or injectors can sometimes casue the code to be thrown.
Ideally get someone local with VIDA/DiCE to read the actual Volvo codes.
Good luck, it can be a difficult one to track down properly.

sharklaar · Dec 2nd, 2015, 08:09

Quote:

Originally Posted by cheshired5

Get your MAF figures at idle then at 1,2,3,4k revs.

Did this in a hurry this morning and couldn't quite get the revs steady, but here's what I've got...

revs - MAF

1105 - 19.6
1719 - 31.9
2828 - 52.3
3401 - 62.5

This was done while the error was occurring and it was in limp mode. I'll try again later after I've cleared the error and see what the beef is then...

cheshired5 · Dec 2nd, 2015, 08:59

Quote:

Originally Posted by sharklaar

Did this in a hurry this morning and couldn't quite get the revs steady, but here's what I've got...

revs - MAF

1105 - 19.6
1719 - 31.9
2828 - 52.3
3401 - 62.5

This was done while the error was occurring and it was in limp mode. I'll try again later after I've cleared the error and see what the beef is then...

What is the unit of measurement?
It looks like grams per second but can you confirm......

sharklaar · Dec 2nd, 2015, 09:01

Quote:

Originally Posted by cheshired5

What is the unit of measurement?
It looks like grams per second but can you confirm......

Yep sorry it is indeed g/s

cheshired5 · Dec 2nd, 2015, 09:12

Right, well your MAF is responding in line with revs so that's a good start but your figures are still low for a D5 so I'm thinking some kind of air leak or possibly blockage.
Check absolute basics like the condition of the air filter and air filter box and seals and intake pipework.
You could even blow some smoke into the intake and see if it appears anywhere in the bay.

Dec 1st, 2015, 12:47	#11
cheshired5 Premier Member Last Online: Dec 26th, 2021 13:42 Join Date: Dec 2013 Location: Crewe	Get your MAF figures at idle then at 1,2,3,4k revs. __________________ 2002 S60 SE D5 Manual 209000 miles

Dec 1st, 2015, 15:40	#16
Longhouse21 Master Member Last Online: Apr 20th, 2024 07:18 Join Date: Jan 2011 Location: Warrington	P0244 generally equates to Volvo code ECM6805 as per the sticky. Check through the mounts & tubes, solenoid operation for TGV & TCV, check the fresh air intake hose for splits/collapse and the intercooler, sticky vanes on the turbo. 6805 referes to boost high or low and really means that there is a mismatch between the required air inlet and that measured by the MAF. It could relate to a MAF or MAP fualt (but they should also throw a code) or andything else that could cause a mismatch in calculated v measued air flow, or as in my case, a collapsing 1st CAT. It's been said that the faults with the fuel filter, air filter or injectors can sometimes casue the code to be thrown. Ideally get someone local with VIDA/DiCE to read the actual Volvo codes. Good luck, it can be a difficult one to track down properly. __________________ Current cars: 2003 V70 D5 SE (MY2004); 2012 CRV 2.0i V-TEC; Gone but not forgotten: 2001 Honda HRV; 1989 VW Polo C Mk2; 2000 Honda Civic VTi Aerodeck ; Cavalier SRi; Cavalier LX; 1971 Triumph Spitfire Mk3; 1963 Triumph Herald.

Dec 2nd, 2015, 09:12	#20
cheshired5 Premier Member Last Online: Dec 26th, 2021 13:42 Join Date: Dec 2013 Location: Crewe	Right, well your MAF is responding in line with revs so that's a good start but your figures are still low for a D5 so I'm thinking some kind of air leak or possibly blockage. Check absolute basics like the condition of the air filter and air filter box and seals and intake pipework. You could even blow some smoke into the intake and see if it appears anywhere in the bay. __________________ 2002 S60 SE D5 Manual 209000 miles

Dec 1st, 2015, 13:06	#12
Squealey Member Last Online: Aug 16th, 2022 14:09 Join Date: Oct 2007 Location: Donington, Spalding	What's the condition of your intercooler? My S60 D5 does the same thing, accelerate off a roundabout, overtake, anything at full throttle and it hiccups and goes into limp mode. I got the same code (I think) and having looked at my intercooler (the middle radiator if I remember correctly) its quite badly bowed and seeping oil out of it. I think I read that if its leaking then the turbo may think it's over boosting and shut the wastegate causing limp home mode and throwing up that code. (But I stand to be corrected on that!) I'm getting a new intercooler as a Christmas pressie and have everything crossed that will fix it. If not, back to the drawing board, but my intercoolers definitely stuffed so its not going to hurt to change it. Cheers Wayne

Dec 1st, 2015, 13:47	#13
sharklaar Junior Member Last Online: Sep 4th, 2021 23:12 Join Date: Apr 2014 Location: Stamford	Actually, the engine mount might be the problem, looking at this thread: http://www.volvoforums.org.uk/showthread.php?t=100016 I have the same problems - very little power at low revs and a sudden burst of power at about 2k. Something causing loss of vacuum somewhere...

Dec 1st, 2015, 13:48	#14
sharklaar Junior Member Last Online: Sep 4th, 2021 23:12 Join Date: Apr 2014 Location: Stamford	Will check MAF readings and intercooler when I get home later....

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