Typical VW response as they are no longer mechanics, they are mainly fitters. Many years ago I had a Touareg that turned out to have a throttle body fault and VW wanted £1200 to replace the whole unit. I got some plastic actuator levers off EBay for £10 and fixed the issue myself.
Its interesting that the EGR leaking hot gases into the inlet (post charge cooler, if the diagram is corect) results in an abnormally low inlet temperature? Or have we discounted that now and are focusing on the power loss only?
@thebear78 so I'm not sure if the diagram that was put up is entirely the same as this engine. Was it the right one?
As for cleaning out the EGR, the guy in VW did say the plumbing in the egr to flush it through with water. No idea what else to do and I'm happy to take the EGR off and clean it out. So may well do that.
@everyone else it seems as though yes VW have a monopoly on this issue
As for cleaning out the EGR, the guy in VW did say the plumbing in the egr to flush it through with water. No idea what else to do and I'm happy to take the EGR off and clean it out. So may well do that.
@everyone else it seems as though yes VW have a monopoly on this issue
Any Chance you know of a removal guide for the EGR. I'm more than competent to do it, just a little help is always a good startig point.
Hi Foks,
so I took the can to a "reputable" dealer in Inverness August as you know who confirmed to me that the van "felt" like it had enough power.. they confirmed an intermittent fault recorded on the ERG valve and advised me that VW would do a good will clean on the EGR if a dash light came on for vehicles up to 5 years old... But only with that light. VW Customer care line have directly said this is not the case.... Hmmmm
I Spoke to Another VW van center in Perth and they advised that they know of the issues with EGR's and currently are waiting for NEW EGRs to come in to repair a few. They of course would need to diagnose and I would have to pay for it, but said they would follow up with VW to see if they could do it under good will. But asked me to speak to VW and see if they would tell Inverness to follow up the diags first. Understandable.
So called VW and spoke with them, And their response was that the garage should have followed up on the Intermittent fault rather than telling me they couldn't with out a light. I'm now 120 miles from inverness and Have to go back there or pay another 60 for diags at another garage, basically the same cost in travel over another garage so I will be off to a closer garage to find out if the EGR needs to be fixed.
Oh the joys of motoring.. OH on another note. if you have a warranty claim to go through and you only have 1 month left on your new vehicle, then that part is only under warranty for that ONE MONTH, this is directly from VW..... If you pay for the part then you get 2 years on the part and 1 year workmanship warranty... So I have heard rumors of paying partially for the part or repair, and you are then covered for two years and 1 year workmanship.... if your garage will let you, it is worth paying something... Seems like a cop out but hey ho.
One good thing that the VW Customer Care said, when you go back to the garage, and they do the diags, ask them to follow up with VW customer care to see if they can do a "good will gesture" all very speculative but some pointers for those in a similar situation.
so I took the can to a "reputable" dealer in Inverness August as you know who confirmed to me that the van "felt" like it had enough power.. they confirmed an intermittent fault recorded on the ERG valve and advised me that VW would do a good will clean on the EGR if a dash light came on for vehicles up to 5 years old... But only with that light. VW Customer care line have directly said this is not the case.... Hmmmm
I Spoke to Another VW van center in Perth and they advised that they know of the issues with EGR's and currently are waiting for NEW EGRs to come in to repair a few. They of course would need to diagnose and I would have to pay for it, but said they would follow up with VW to see if they could do it under good will. But asked me to speak to VW and see if they would tell Inverness to follow up the diags first. Understandable.
So called VW and spoke with them, And their response was that the garage should have followed up on the Intermittent fault rather than telling me they couldn't with out a light. I'm now 120 miles from inverness and Have to go back there or pay another 60 for diags at another garage, basically the same cost in travel over another garage so I will be off to a closer garage to find out if the EGR needs to be fixed.
Oh the joys of motoring.. OH on another note. if you have a warranty claim to go through and you only have 1 month left on your new vehicle, then that part is only under warranty for that ONE MONTH, this is directly from VW..... If you pay for the part then you get 2 years on the part and 1 year workmanship warranty... So I have heard rumors of paying partially for the part or repair, and you are then covered for two years and 1 year workmanship.... if your garage will let you, it is worth paying something... Seems like a cop out but hey ho.
One good thing that the VW Customer Care said, when you go back to the garage, and they do the diags, ask them to follow up with VW customer care to see if they can do a "good will gesture" all very speculative but some pointers for those in a similar situation.
So guys I'm back on the fault line... Sunday I had the engine warningnlight come on and a check at my local garage shows up fauuuultsssss.... I've attached them . If anyone can give me some idea what to have vw look at so I'm not completely in the blue I would appreciate it.
The NOx sensor faults have turned MIL light ON. A failed sensor, or just wiring problem?
For now you can ignore P046C as it's not active and has happened only once in the past (at engine speed 0 rpm).
I believe you haven't got ECU software update yet - that should take care of P204F, P20EE, P0121. They are also intermittent - things of the past.
For now you can ignore P046C as it's not active and has happened only once in the past (at engine speed 0 rpm).
I believe you haven't got ECU software update yet - that should take care of P204F, P20EE, P0121. They are also intermittent - things of the past.
Just assuming because you had the mentioned faults which should have been cured by update. Also the software seems to one of the old ones: 04L 906 056 LA, H03 3773. The updated ones I have seen have been in 9xxx series.
Soooo my good fellows ,,,,,
The EGR is being replaced under good will by my dealer. and At first the NOX was too, ut now they are telling me it is not. So phoned VW Customer service and they advised if it is recomended under good will by the garage they are unlikely to refuse it, so went back to the garage and they are trying again through thier warrenty team. here is hoping as there are two NOXs and 497 +VAT ,, eugh.
I bet there is someone out there that can tell me the erg may have caused the NOX to fail where it has been sticking ...... please anyone ha ha
The EGR is being replaced under good will by my dealer. and At first the NOX was too, ut now they are telling me it is not. So phoned VW Customer service and they advised if it is recomended under good will by the garage they are unlikely to refuse it, so went back to the garage and they are trying again through thier warrenty team. here is hoping as there are two NOXs and 497 +VAT ,, eugh.
I bet there is someone out there that can tell me the erg may have caused the NOX to fail where it has been sticking ...... please anyone ha ha
Hope to be the last update on the Loss in BHP here fellas,
VW Customer Care Manager has been very understanding, and the result today was that the EGR valve has been replaced under a FACTORY good will Gesture, So anyone with any issue on them, get your garage to try this option as it is a budget held in germany for specific failing parts and the EGR is on that list!
Regarding the NOX, they will not "good will" that because of the afore mentioned "good will" on the EGR, it is questionable if this is correct.
There is a bucket of cash for Good Will held in the UK, but and the clarity goes here, it is not clear if the branch accepts this charge ( in my case I wouldn't want Autoservices Perth to take this as it was not them who missed this time and time again and John Clark VW Van Edinburgh who refused to believe me) or it is more Customer services UK. The UK service manager (Agatha) was excellent and her point on it was that it was down to the branch which means Perth were not wanting to take the cost (rightly so for John Clark Edinburgh caused the issue) anyway what was agreed was that 50% was covered of the £597.29 bill and I covered the other half. Reasonable considering I'm out of warranty, but still an annoyance as I reported it in warranty to Edinburgh John clark (Yes I am naming and shaming them, Utterly useless). She also offered me a Free Service on minor or Major Service which I'm happy with as it would likely be circa £300 either way. So all in all GO TO PERTH AUTOSERVICES FOR ALL REPAIRS VW WARRENTY RELATED!
Anyone with power issues I would look at the EGR and NOx sensors, the van drives like new, the MPG is way way up, easy to get 42-45MPG and Avg 38MPG which is was when NEW.
I will put one more post up when I get it back on the same rolling road but that may be a while away to check the BHP.. HAPYY ENDING!
VW Customer Care Manager has been very understanding, and the result today was that the EGR valve has been replaced under a FACTORY good will Gesture, So anyone with any issue on them, get your garage to try this option as it is a budget held in germany for specific failing parts and the EGR is on that list!
Regarding the NOX, they will not "good will" that because of the afore mentioned "good will" on the EGR, it is questionable if this is correct.
There is a bucket of cash for Good Will held in the UK, but and the clarity goes here, it is not clear if the branch accepts this charge ( in my case I wouldn't want Autoservices Perth to take this as it was not them who missed this time and time again and John Clark VW Van Edinburgh who refused to believe me) or it is more Customer services UK. The UK service manager (Agatha) was excellent and her point on it was that it was down to the branch which means Perth were not wanting to take the cost (rightly so for John Clark Edinburgh caused the issue) anyway what was agreed was that 50% was covered of the £597.29 bill and I covered the other half. Reasonable considering I'm out of warranty, but still an annoyance as I reported it in warranty to Edinburgh John clark (Yes I am naming and shaming them, Utterly useless). She also offered me a Free Service on minor or Major Service which I'm happy with as it would likely be circa £300 either way. So all in all GO TO PERTH AUTOSERVICES FOR ALL REPAIRS VW WARRENTY RELATED!
Anyone with power issues I would look at the EGR and NOx sensors, the van drives like new, the MPG is way way up, easy to get 42-45MPG and Avg 38MPG which is was when NEW.
I will put one more post up when I get it back on the same rolling road but that may be a while away to check the BHP.. HAPYY ENDING!
Glad to hear you have it sorted. Great result even though it took some effort.
I read with interest the discussions across the forums about fuel efficiency. The item that always pops into my head is NOx sensors.
They play a big part in this whilst not failed, but maybe ‘failing’, or certainly ‘degrading’!
My question is, how can us mere mortals (without ramps and a workshop full of fancy tools and diagnostics) check that the NOx sensors are operating within tolerance?
And following on from that, what degrades them? Poor fuel, short journeys, regens (as in some regen more frequently due to driving pattern, etc) ?
I read with interest the discussions across the forums about fuel efficiency. The item that always pops into my head is NOx sensors.
They play a big part in this whilst not failed, but maybe ‘failing’, or certainly ‘degrading’!
My question is, how can us mere mortals (without ramps and a workshop full of fancy tools and diagnostics) check that the NOx sensors are operating within tolerance?
And following on from that, what degrades them? Poor fuel, short journeys, regens (as in some regen more frequently due to driving pattern, etc) ?
@huw169 great questions and as you put it us meer mortals get really no say in it. Even when you report a drop in power your told your not driving correctly... I'm an oil and gas engineer and not dumb when conest to cars. New ones are harder to do your own work too but as I've learned not to doubt myself.
What I seen on my van was 1 year at 38mpg Ave 1 year at 36mpg and 3rd year it dropped to 34 then 32 then 28 then the NOx sensor went.
From my understanding the NOx sensors should be replaced in batches, there are two, and best change like you do your tires on your axle as well a new one will read differently given the ecu brain and fancy cpu should adapt for that change.
They can be contaminated by carbon, which can be seen in your emissions test, and as I've likely found a faulty EGR valve not working as it should. Higher than normal temperature is also not so healthy for them so if your burning lean for a long time, its not going to do good.
In my experience I think its contaminated as a result of the EGR, I know my van was down 15bhp, running hotter and running rich compared to another same year engine spec and close batch number of van , but I had friends with garages to look at this.
As for costs. 65 quid for a diag done in inverness that nothing was done on even though the egr fault was seen. Petrol there and back was 60 quid.
Petrol to edinburgh twice to tell them fuel economy and power was down circa 80 quid. (Not including other runs there for faults) two return journeys to perth autoservices to finally get the fix done, 30 quid in pizza for a favour being collected from there and another 40 quid in fuel. Then half the cost of the NOX sensor (only one) at 300 bucks so just this fuel costs was near 275 quid and 300 on the NOx.
Total fuel im likely about 6 to 700 quid to get the faults I've had over 4 years owning a new can fixed.
And I expect there to be more to come. I know my heated seat plays up.....
What I seen on my van was 1 year at 38mpg Ave 1 year at 36mpg and 3rd year it dropped to 34 then 32 then 28 then the NOx sensor went.
From my understanding the NOx sensors should be replaced in batches, there are two, and best change like you do your tires on your axle as well a new one will read differently given the ecu brain and fancy cpu should adapt for that change.
They can be contaminated by carbon, which can be seen in your emissions test, and as I've likely found a faulty EGR valve not working as it should. Higher than normal temperature is also not so healthy for them so if your burning lean for a long time, its not going to do good.
In my experience I think its contaminated as a result of the EGR, I know my van was down 15bhp, running hotter and running rich compared to another same year engine spec and close batch number of van , but I had friends with garages to look at this.
As for costs. 65 quid for a diag done in inverness that nothing was done on even though the egr fault was seen. Petrol there and back was 60 quid.
Petrol to edinburgh twice to tell them fuel economy and power was down circa 80 quid. (Not including other runs there for faults) two return journeys to perth autoservices to finally get the fix done, 30 quid in pizza for a favour being collected from there and another 40 quid in fuel. Then half the cost of the NOX sensor (only one) at 300 bucks so just this fuel costs was near 275 quid and 300 on the NOx.
Total fuel im likely about 6 to 700 quid to get the faults I've had over 4 years owning a new can fixed.
And I expect there to be more to come. I know my heated seat plays up.....
