Cfca egr delete but leaving dpf

B.different

Senior Member
T6 Guru
Hi all, I'm just having a new engine and turbo fitted because of the dreadful egr. I wanted to blank and map out the egr and leave the dpf alone but been told I've got to do both as it will kill the dpf. I've heard that the dpf still does its regen even if the egr is blanked out. Is this true or are the tuning companies just trying for extra work? Also is there any difference when driving with the egr blanked out. Thanks all
 
Hi all, I'm just having a new engine and turbo fitted because of the dreadful egr. I wanted to blank and map out the egr and leave the dpf alone but been told I've got to do both as it will kill the dpf. I've heard that the dpf still does its regen even if the egr is blanked out. Is this true or are the tuning companies just trying for extra work? Also is there any difference when driving with the egr blanked out. Thanks all
When I looked into this darkside said I would have to remove the dpf. So I went down the tafmet route instead, 20km with the tafmet fitted no issues and dpf regen as normal. It may the way tuners program out the egr is the only thing I could think that would stop the regen process
 
I thought that they were both the same apart from ones a program on the ecu and the other a program held on a device. Or am I wrong in thinking that
 
I thought that they were both the same apart from ones a program on the ecu and the other a program held on a device. Or am I wrong in thinking that
The tafmet simulates the egr, so I believe the ecu still thinks it there, but the egr is electrical disconnected and blanked. I don't know what tuners do to remove it
 
If the tuner knows what they're doing nothing needs removing
 
Is this something that can be done at your place?
It definitely is…. have a read of this post of mine from a couple of years back….

Please bear with me on this, I know it looks a bit long-winded, but I think it’s worth having a bit of background detail….

My van is the EU6 102 engine with adblue.

Sometime in June the dreaded flashing coil light made an appearance one afternoon when I’d just started the van and I was leaving work! During that journey to drop something off the van was running on limited power. When I restarted the van, the fault had disappeared and all was back to normal for my journey home…. and to be fair, I’ve had no faults since, but after reading the endless nightmare stories on this forum + previous personal experience with a blocked/failed EGR valve, this got me worried that it might be EGR problems?

I contacted @Dav-Tec (Chris) who by now had done a number of very successful jobs/upgrade’s on my van to see if he could work his magic with a possible EGR delete? Unbeknown to me, @Texxaco (Pete) had been having similar issues with his stunner of a T6 and had already had the @Dav-Tec treatment in the way of a EGR and ADBLUE ‘solution’!

At the T6Forum summer camp meet in July, Chris kindly scanned my van and found that the fault was actually with the adblue system and not the devil’s work EGR as I’d suspected…. either way, I wanted the EGR sorting! So I got booked in with Chris to have a custom remap which would include the same EGR and adblue ‘solution’ as Pete’s van.

On the day of the remap, Chris did a scan as he always does prior to any work…. goes through any fault codes with me and when looking back at previous scan’s, Chris discovered that this adblue fault had history and was showing up on most of the previous scan’s. I told Chris as well that I’d very recently noticed the smell of diesel fumes on startup…. not necessarily in the cab, just in general around the van and when we went out on the first data logging run it was clear that something wasn’t quite right?

When we got back to Dav-Tec HQ, Chris found that the rear EGR pipe was split and exhaust gases were p#ssing out into the engine bay and this was causing the boost pressure problem. No problem for Chris, he removed the split pipe, fabricated a couple of ‘delete’ plates from some sheet steel, refitted the lot and we went out on another data logging run. Much better (near perfect) results meant that a new custom map could be written to include the EGR ‘solution’ and away I went.

I’ve been driving around with the new map now for a week…. to and from work and the usual runs and roads so that I could get a comparison with what I had before (which by the way was a generic Pendle map installed by Leighton Vans). Don’t get me wrong, I had no complaints or issues with the previous map…. I’d had it on there for over two years, but because of the running issues, I needed a ‘solution’ and Chris’s custom remap ticked all my boxes.

I couldn’t be happier with the results of the custom map supplied by Chris…. the engine runs free and smooth even from a cold start up and pulls progressively, purposely and smoothly throughout.

I want to thank Chris for going above and beyond as he always does…. and also his very patient wife Tracy for putting up with me on that Saturday!

Cheers, Matt :thumbsup:
 
what does a cfca egr mean, is that different from a standard? excuse my ignorence as i don't know
 
what does a cfca egr mean, is that different from a standard? excuse my ignorence as i don't know
On the CFCA engines with the bi-turbo they had an EGR cooler that started to disintegrate with aluminium bits ending up in the engine, causing damage.
Hence getting the EGR removed.
 
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