2.0 TDi Ultra CNHA EGR and cooler removal and cleaning

**Sambor11** · 27-11-2020,11:15 AM

Originally Posted by liam walsh

Get the dealership to diagnose it . You've had a lot of work done in the area it could be a cracked vacuum hose, bad sensor , loose plug, damaged wire. Tell them you didnt have the problem before they worked on it and now you have . You know this because you did your vcds scans before and after.

Yiu are right. Will call them.

**Sambor11** · 27-11-2020,03:23 PM

Booked on Tuesday.

**liam walsh** · 02-12-2020,05:00 PM

Originally Posted by Sambor11

Booked on Tuesday.

What sid Mr Audi say?

**Sambor11** · 03-12-2020,11:31 AM

Originally Posted by liam walsh

What sid Mr Audi say?

It was damaged hose from ccoolant container. I asked them as well one more time to check for fault codes specially for sensor G450. Should get call today later on.

**liam walsh** · 03-12-2020,11:44 AM

Originally Posted by Sambor11

It was damaged hose from ccoolant container. I asked them as well one more time to check for fault codes specially for sensor G450. Should get call today later on.

The plastic couplings on that line crack easily . That line is about £50 if I remember correctly.
Keep us updated with their findings on the G450 issue.

**Sambor11** · 03-12-2020,12:01 PM

Originally Posted by liam walsh

The plastic couplings on that line crack easily . That line is about £50 if I remember correctly.
Keep us updated with their findings on the G450 issue.

I just spoke with mechanic. He said that last time probably disconnected connector abd didn't clear fault codes. They clear now. When I'll get my car back will check one more time.

**liam walsh** · 03-12-2020,12:25 PM

You can see the date time and mileage when the fault logged if you have a record kept of the vcds fault . Then you can see if it was while in the dealers or afterward.

**Sambor11** · 06-12-2020,02:05 PM

Originally Posted by liam walsh

You can see the date time and mileage when the fault logged if you have a record kept of the vcds fault . Then you can see if it was while in the dealers or afterward.

It was in Audi garage. They replaced leaking coolant hose £18, cleared fault codes and now everything is fine. But. I bought from Audi boost pressure sensor on Thursday and today I want to replace but when I opened box I was little confused. In my car is sensor 03L906051B with two pipes and sensor which I got is 04L906051K with one pipe ( picture below). Somebody can tell me what's going on guys????
Sensor.jpg

**Vash** · 27-09-2022,03:22 PM

Originally Posted by liam walsh

You can see the date time and mileage when the fault logged if you have a record kept of the vcds fault . Then you can see if it was while in the dealers or afterward.

How do you actually test the MAP sensor before you buy one, Liam ? I have Autel MK808 and VCDS, but don't think the sensor will be short to ground. Am I looking for some deviation from normal values ? And if so, what are the normal operational values ?

Thank you

**nordic_b** · 30-09-2022,03:53 PM

I don't think you can test MAP sensor in an easy way, unless it has completely failed or deviates from atmospheric pressure.
I'm going through the same vows now, have both the P2002 and AdBlue with limited mileage faults, but garage is taking a look at it as it is still under warranty. Quite upsetting tbh - thought I've got a good untouched example.