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Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F - Fixed #

Posted by Steve Shaw on March 5, 2013, 4:12 pm

Year of Manufacture *: 2007
Engine Size and Code *: 1.9 z19dt
( Optional ) ECU Type: edc16c39
( Optional ) Scanner Used: vauxcom, dec ss3 & snapon solus
( Optional) Fault Codes: p242F (75)

Hi

Got this mare in on a rope from the AA
dpf was blocked solid & wouldn't go, no dtcs' at that time. removed dpf, tried several methods of cleaning, all to no avail.

Fit new dpf, got it started, dtc p2279 appeared, remove egr, clean & free off that's cleared that code, after programming ecu for new dpf, roadtest & p242F 58 & P242F 75 appear

Carry out tests as per TIS diagnose faulty dpf sensor, replace sensor & program, just p242F 75 re-occurs, smoked all pipework all ok, after a better definition of the code as i'm hoping to keep the owner on side.

Any ideas/advice? please

regards Steve

Re: Vauxhall Zafira b

Posted by Tony Attwood <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3025' width='330' height='300' border=0 style='border:none;'> on March 5, 2013, 5:09 pm, in reply to "Vauxhall Zafira b z19dt dpf woes!!"

Steve, had a similar issue a few weeks ago.

Cured it with a static, then dynamic regen, naturally followed by oil change and oil quality reset.

HTH Tony

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 6, 2013, 11:57 pm, in reply to "Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

thanks for that tony, not successful though i'm afraid this time

Steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Mark Carter <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1428' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 1:05 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Mark Carter

>>> p242F 75 re-occurs, smoked all pipework all ok, after a better definition of the code <<<

What is the description of the code in TIS ?

and what is the test plan for it?

Mark

Modern cars, Its all wizardry and witchcraft

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve Shaw <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 4:22 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

Hi Mark
i can't find 242f-75 listed on tis, only 242f which was the test that identified the dpf pressure sensor as u/s.

(no other codes set)

Steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Ian Slattery <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1196' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 7:18 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Ian Slattery

Hi Steve

Check your email. I don't know if that info is any good.

Whats the soot percentage.

Regards Ian

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Tony Attwood <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3025' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 8:37 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"

Steve,

Were your DPF pressure readings any different after new sensor?

What is pressure at idle ( 0 +or- 2 )

Are your Temp sensors readings plausible?
Although I'd expect a P1900,1,2 code if not.

Cheers, Tony

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve Shaw <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 8:59 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

Thanks for that Ian, soot loading on new dpf (pattern part) was about 32% i think

Hi Tony, definately no other codes, i've spent most of the afternoon trying to clean the original dpf, re-fitted non-start, disconnect dpf at 3 bolt flange & it starts.
can't remember what the pressure readings are at mo, still too hacked off!!
spoke to local main dealer today, he says they're flawed at that age, dpf is too far from engine & full of headaches. on the plus side as this hasn't been to dealers since 3 years old he also thinks there is probably an update or 2 to help with this issue.
i'm tempted to replace the egr with a new oe one as i suspect it was the culprit in the first case.

Steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Mark Carter <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1428' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 10:57 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Mark Carter

>>> soot loading on new dpf (pattern part) was about 32% i think <<<
Some think is not right there. Did you reset all the counters?

What is the air mass telling you?

Mark

Modern cars, Its all wizardry and witchcraft

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 7, 2013, 11:48 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

hi Mark
assume you mean by resetting the counters that i programmed the ecu for a new dpf, pressure sensor & also the maf, if so, yes

the maf was reading within the tolerances on tis at idle 28-32 kg i think
when i try to do a static regen the engine idle lifts to 2k for a couple of minutes & then back down to normal idle, it then reports as regen successful. dpf soot loading is rising after every roadtest trying to initiate a dynamic regen.

Steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 9:50 am, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

EDIT

now i'm back in front of it
dpf pressure at idle 13kpa (130mb)
maf 44kg/h at idle

Steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Mark Carter <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1428' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 9:55 am, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Mark Carter

Pressure reading appears to be very high for idle.

What is it reading at KOEO ?

Mark

Modern cars, Its all wizardry and witchcraft

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 11:35 am, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

Hi Mark
dpf senensor koeo -2, at idle 11/13 kpa

thanks for the call tony, i've just got a scab 93 in with the same running gear so i'm just going to take some readings.
steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 12:14 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

Hi Mark
dpf senensor koeo -2, at idle 11/13 kpa

thanks for the call tony, i've just got a scab 93 in with the same running gear so i'm just going to take some readings.
steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by James Eardley <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3143' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 12:59 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"

Hi Steve

A while ago I had a Passat 2.0TDi PD 2007 and the DPF loading was sky high and I didn't dare regen it and also at the time I was unaware of cleaning methods.

So, I bought an aftermarket DPF and had very similar issues to yourself.(regarding the soot counter climbing alot every time I drove it)

I did a few regens on similar VW's over the following week that all went smoothly and acted totally different to the aftermarket one I had fitted.

The Passat owner came back with the vehicle with DPF problems, I still had his original DPF so with nothing to loose I cleaned it out (jet wash)
refitted and regen and the regen procedure went as expected.. normal and watching the DPF data while driving was much more normal too.

My soot loading on the aftermarket DPF seemed to climb unusually quickly to 28% where it would then steady out.

My assumption after all the drama was that the aftermarket DPF had different flow characteristics than the original genuine DPF.

Hope this helps and doesn't rail road you

James

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by Steve <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1301' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 1:19 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Steve Shaw

Hi james
thanks for that, i'm already leaning towards a genuine unit for those reasons, i can't unblock this one successfully so far, but i think that may just well be my issue.

Steve

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by James Eardley <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3143' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 3:03 pm, in reply to "Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"

Hi Steve

This may help

This is a DPF system profile for a 2008 Zafira Z19 DTH, this was in for starter motor issues.

Ign on-crank & start-idle-WOT-idle-ign off

James

Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #

Posted by James Eardley <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3143' width='330' height='300' border=0 style='border:none;'> on March 8, 2013, 3:07 pm, in reply to "Re: Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"

This is the idle-wOT-idle section zoomed

James

Fixed # (sort of)

Posted by Steve Shaw on March 18, 2013, 10:44 pm, in reply to "Vauxhall Zafira B 1.9 Z19DT 2007 - DPF woes, code P242F #"
Edited by board administrator March 21, 2013, 2:37 pm

well a more of a cheat really!
severely cheesed off with the aftermarket dpf, got it credited, genuine one too expensive(£745+vat retail)& no guarantee it wouldn't happen again a couple of years on, so got it remapped, more responsive, hopefully more economical & no more dpf or more importantly egr problems, trying to overcome a basically flawed rushed through system with limited resources & a customer, though very pleasant & not creating with me but not a millionaire either is a difficult balancing act, so i considered it was the best possible outcome given the circumstances & advised accordingly.
thanks very much for all your advice gents, especially Tony Atwood for the phone call.

Mark, it's about time i did some more courses at autolearn,what are you doing next?

Regards Steve Shaw

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