JimJnr72 Posted October 17, 2022 Share Posted October 17, 2022 Hi. I’ve got an A3 saloon s line 1.6 Tdci ultra. I’m using an ancel vd500 code reader. It is coming up with the following unidentified codes, and I can’t find any reference online: 004B06 004B1A 00137B Can anyone help identifying them? Quote Link to comment Share on other sites More sharing options...
Steve Q Posted October 22, 2022 Share Posted October 22, 2022 On 10/17/2022 at 4:26 PM, JimJnr72 said: Hi. I’ve got an A3 saloon s line 1.6 Tdci ultra. I’m using an ancel vd500 code reader. It is coming up with the following unidentified codes, and I can’t find any reference online: 004B06 004B1A 00137B Can anyone help identifying them? I've had a look too but struggling to find anything. Quote Link to comment Share on other sites More sharing options...
JimJnr72 Posted October 25, 2022 Author Share Posted October 25, 2022 (edited) On 10/22/2022 at 3:00 PM, Steve Q said: I've had a look too but struggling to find anything. The guy I bought the car from said that it was the MAF sensor that was throwing up the engine management light, but I’m not sure if those code tie into that. There’s no codes coming up in the odb2 part of the reader. The codes I listed were in the VAG section under engine. Edited October 25, 2022 by JimJnr72 Quote Link to comment Share on other sites More sharing options...
JimJnr72 Posted November 20, 2022 Author Share Posted November 20, 2022 Update. I updated the library on my code reader. It’s insufficient flow on the egr. I notice there are two parts to the egr, the valve and the cooler. I can see the vacuum valve at the back of the engine. Is it straight forward to do? Quote Link to comment Share on other sites More sharing options...
Steve Q Posted November 21, 2022 Share Posted November 21, 2022 Egr are common to fail on modern diesel's. You're better off buying genuine Audi one as aftermarket ones can be dubious quality. Quote Link to comment Share on other sites More sharing options...
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