Exhaust warning light on,

[Cupra]

Hi all
My wife was driving the golf (05 2.0tdi) today when the exhaust warning lamp came on with the exhaust workshop warning in the mfd. The car seems to drive fine with no change in the performance, the light is still on after the car had cooled down ( I ran it when I got home. The book says to take it to the dealer, any advice?

& yes I have done a search & couldn't find anything relevant.


cheers

Phil

[halojump]

we had a similar situation just recently on my wife's 1.6 Comfortline - it was a faulty Oxygen sensor which was replaced under warranty.

[Highlander]

Exhaust Gas Warning Lamp

Had the same thing in our Mk VI 2.0 TDI last night. Just under 30,000kms.

Manual is interesting. 3.1 Controls and Equipment says "Fault in Exhaust System - Go to Qualified Workshop"

Also says see booklet 3.3 Tips and Maintenance"

3.3 Tips and Maintenance section mind you on the Exhaust Gas Warning Lamp says that the Tip
"applies to Vehicles with a petrol engine and an exhaust gas warning lamp" and makes no mention of diesel.

Big help so it's off to the dealer on Monday and it will probably be the oxygen sensor.

As an aside, I add that the yellow print on white pages in the manual is very hard to read under car interior lights when you are looking for the various warning symbols

[Cupra]

had mine scanned last Friday by my local mechanic, came up with egr failure. Fault was cleared & drove all day Saturday, fault reappeared late on Saturday with no change in the cars performance, going to the dealers on Monday.

Phil

[Greg Roles]

Sounds like another sludge damaged egr valve or flap I'm sad to say. They are not cheap at several hundred each from the dealer, if out of warranty I'd go looking for non genuine. This is why I bang on about the absolute need for a good blowby catchcan people, will happen to all TDIs eventually, let alone the drop in performance and fuel economy a sludged up inlet causes. I hope I am wrong mate!

[Guest0608]

sludge, sludge, sludge......................vwtech..........more right foot more often!!!!!!!! a good clean out once a week/month will do the world of good.............

[Cupra]

Ok, I'll put my hand up & admit that I haven’t paid as much attention to the golf as I should of (been a busy time of late). The car is now off lease & just out of warranty with 76K on the clock. Mostly driven by my wife so the right pedal doesn't get mashed down to the floor that much & it spent the last month in the garage while we were os on holidays.

So having now read your thread Greg I'll be doing some tinkering once it's fixed & i'll have to spend more time in it & a little less in the cupra!

Phil

[Highlander]

Air mixture valve on TDI 103 Mk VI 29000 km

Headed for the dealers today.

Diagnosis was that air mixture valve needed to be replaced apparently picked up by the lambda probe which triggered the exhaust gas warning lamp.

Said this is the first instance they have seen on Mk VI

Part has been ordered and will be replaced under warranty.

Car was delivered by dealer back to my workplace and driver didn't have the error codes.

Will get the codes tomorrow and post

Service desk did say that techs have been advidsed to check/clean EGR valve at service as they have replaced some of these already

[Cupra]

EGR valve on mine, part ordered today & I should have the car back tomorrow. I asked about the condition of the other components as per Greg's thread, if i don't get a good enough explanation I'll pull it apart myself.

Phil

[Highlander]

EGR valve on mine, part ordered today & I should have the car back tomorrow. I asked about the condition of the other components as per Greg's thread, if i don't get a good enough explanation I'll pull it apart myself.

Phil

Has your car been repaired. I'm still waiting for parts.?

[Cupra]

All fixed, the compoments in general were dirty but no where near like the photos in Gregs thread. They cleaned the flap & replaced the valve ( the diagpharm was buggered) & all seems fine now.

Phil

[Highlander]

8 days and still no parts

All fixed, the compoments in general were dirty but no where near like the photos in Gregs thread. They cleaned the flap & replaced the valve ( the diagpharm was buggered) & all seems fine now.

Phil

I like my VW cars but I am becoming less than impressed with the way VW wants to treat its customers. Warehousing in Singapore may be cheaper for VW but waiting 8 days for parts is not really acceptable from the customer point of view. The 103 is my daughter's car and she leaves London tonight returning to Australia. Almost tempted to pick up a valve in London and deliver it to the dealer on Thursday morning.

[Greg Roles]

And it's not like these parts failing is news to vw...or any dealer probably!

[Highlander]

And it's not like these parts failing is news to vw...or any dealer probably!

Spot on. Service Department had notes on failure. To be a little fair, he did say it was the first failure they had seen at this dealership. Still no excuse for 8 and now at least 9 days for parts to be sourced

[Highlander]

It only gets worse

Rang the dealer today to get ETA on parts. 15 minutes holding on the phone and he came back with. "Your part has arrived but they sent the wrong part. There are two versions of this valve. One is electric and one is belt driven. Yours is electric and they have sent the belt driven version."

Anyone know if there are two versions for the MK VI TDI 103. Two alternative types or is one an "upgrade"? Or is one for the PD engine and one for the CR.

With any sort of luck it will only be another 10 days before the correct part arrives. Left to wonder ifnit was a dealer or supplier issue as to why the wrong part was sent.

I was assured (by the service desk) that driving with the exhaust gas warning light on solid will have no detrimental effect on the vehicle or its components but its going down in my diary notes in case of any "premature" (100000- 130000 km say) failures of exhaust related parts. Exact words were "No dramas driving the car".

Have asked for confirmation from techs rather than believe the man in the collar and tie.

Any advice from here. Car does on average about 500 kms per week.