Thanks for the replies. Would that cause it not to start then? When I turn the key it attempts to turn over and just chugs blue smoke, then if I put the accelerator down plumes of grey smoke billow out, but it still doesn’t start. The only fault coming up on the computer read out is “Fuel pump drive open load fault” plus random ones, but they clear off.Oil contamination in the ecu? Tracked down from the injector loom?