mr big 0 Posted July 30, 2009 Report Share Posted July 30, 2009 Well I've finally got round to replacing the knock sensor today. And guess what? Still got a G66 fault code Obviously I have a wiring issue somewhere. Anyone got any ideas where to start?Cheers,Craig. Link to post Share on other sites
cabrioman 6 Posted July 30, 2009 Report Share Posted July 30, 2009 check the wires from the ecu to the sensor plug with a multi meter and make sure they are not broken then check the voltages and earths ..... Link to post Share on other sites
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