Originally Posted by
Lucas_R
but the main engine ECU is under the windscreen wiper cowl.
A Mk2 GTI that was my previous car also had the ECU in that position & one day I was fiddling around & spotted water laying around it.
It turned out the drain tube/tubes were blocked with rotting leaves. After that experience I am pedantic about removing any leaves going for a ride not just my car but any visitors as well.
Understand how it works, troubleshoot logically BEFORE replacing parts.
2001 T4 TRAKKA Syncro 2.5TDI,2006 Mk5 2.0TDI Golf manual,2001 Polo 1.4 16V manual [now sold], '09 2.0CR TDI Tiguan manual,
Numerous Mk1 Golf diesels
Volkswagen Fanatic
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