the owner of this car fitted new spark plugs plus new coil pack trying to eliminate above fault prior to leaving vehicle with us. I got car scanned to-day at vauxhall main dealers fault code came up ecu fault. When vauxhall erazed this fault out car drove for approx 3 miles perfectly before mil light came back on then back to 3 cylinders. I don't have any AD on this particular vectra being a 2l. Can anyone please shed any light on this or know of where a person can pin data or wiring diagram Engine code 20x 04404. Siemens Ecu 5wk9 154 I'm thinking this could be a wiring fault. would there be any problems or known issues with getting a second hand Ecu unit coded in any assistance on this would be greatly apreciated BestRegards Mickeybo
It's better to learn from others than to learn from your own mistakes
{Post reformatted to make use of the full width of the box, not just 2 thirds of it}
Edited by Dynamic Dave on 16/12/2009 at 10:25
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