2008 Volkswagen Transporter Repair Question
Asked on November 20, 2011
Hi just brought t5 friday as taking for mot ,engine management light came on
Been advised po406 egr sensor a circuit high or po653 voltage b circuit high or po672 glow plug circuit failex also a buzz sound under bonet when turn ignition off lasts about a min, can you help me thanks
Asked by watwillAnswer
Replied on November 20, 2011
Can you determine where under the bonnet the buzzing is coming from? Usually, when multiple sensors are showing failure or problems, it's either a problem with the computer, a loose connector at the ECM, or a bad ECM. Could also be a bad ECM or sensor ground.
Replied on November 22, 2011
thanks for reply the buzzing is comming from a switch or pump above the rocker cover on a bracket fixed to the bulkhead,there is a pipe comming fron the rockercover to this switch or pump,and pipes leading off it,ther is A ELECTRIAL FEED TO THE SWITCH OR PUMP, some times the buzzing comes on when driving,for thirty seconds and stops,many thanks derek
Replied on November 22, 2011
I can't picture it. Can you upload a photo of it?