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View Full Version : Audi s4 b5 fuse keeps blowing



auditrackspeed
04-02-2015, 11:35 AM
Fuse 34 engine unit control keeps blowing , the other day antifreeze went everywhere and the next day i was driving it and abs light , esp , check engine light all went on .

I have 10 codes .


I think its a short

vacsimile
04-11-2015, 06:33 PM
Check your coolant temp sensor. If the pins on the connector are all gunked up then check the ECM's connector and there's your problem. The coolant temp sensor leaks and coolant migrates through the harness to the ECM. Bad news if that's what has happened. Good luck man.