If ever you want to know the cambelt timing marks of the Audi A4 20tdi, look at the attached photos. On the photo’s there are red arrows that indicate the marks. Look at the red arrows, the marks must align according to the arrows. I have used a bolt and an Allen key to hold […]
Tag: audi
AUDI A4 1800 DIAGNOSE FAULTS: 8001/P1593/005523
I had an Audi A4 1800 who gave me the following diagnoses faults: 8001/P1593/005523 – Altitude Adaptation: Signal Out of Tolerance Possible Symptoms Unknown Commentary. This is one of those fault codes where the ECU knows something is amiss, but cannot pinpoint the cause. Possible Causes; MAF sensor (G70) out of tolerance. Leak in the […]
Audi Turbo System
If any Audi owner or Mechanic is interested in how to test an Audi turbo system, I will give you a download link where you can download a pdf doc with all info like: Charge air pressure control, system overview Charge pressure bypass valve Turbocharger and wastegate Charge air pressure control (via load signal) Charge […]
Audi A4 1800 2000 – 17925 P1517 – Main Relay J271
If you ever get the above-mentioned code after you have done a diagnostic test, and you don’t know where the power relay is, go to where the ECU is. The Audi’s ECU in SA is situated under the bonnet on the right-hand side in the engine bay. The number on the relay is no 30. […]