I have a AGU 1.8t,and have been getting problems with its power output.Sometimes it feels really strong on power,definately the full 150Bhp,but it keeps running low for hours at a time.It feels like its running naturaly aspirated.I have checked all the hoses for splits, and when i put it on vehical diagnostics the only fault code poping up was Knock sensor.So, how often do knock sensors go wrong,or are these engines prone to piston knock?Thanks for any advise uzzled:
Thanks for the suggestion.I put a scanner on it and the only code was an issue with the knock sensor.What part is the DV,is it with the 2 bigger pipes and on really small cloth sheathed hose off the top?Thanks
Sorted.Replaced DV,same.Checked N75 for correct operation,all fine.Vag-com, no faults.But Vag-com showed coolant temp was only 71 c so replaced thermostat,cleaned Throttle body and reset ECU,all working now. however, when replacing the DV,the one that was on there was an aftermarket piston type that is now surplus to requirements, anyone in kent?DV for £20?
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