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Ok the other day my car would start up but after 2 second would die even if pressed accelerator i noticed oil was leaking between the engine head and the main part of the engine and was covering a plug.. i pulled the plug out and cleaned the oil off then i replugged it and it worked and worked all day yesterday but now when it's not starting i tried cleaning the plug again and i emptied some oil earlier to lower the amount but doesn't seem to have helped.. I don't know what it could be...

The oil on the plugs will likely be an overfill or the rocker cover gasket gone. I woul replace the plugs which Gould sort it out for a while and then do the rocker cover gasket.

if i clean the plug with toothbrush and some oil remover should that get it going for now? its been working fine today

For the price of sparks I'd do them. When my rocker cover was leaking the oil had obviously put the plugs under a lot of pressure and pushed te gap out massively.

Its the temparature sensor that is the problem, it got covered in oil but i cleaned it off, is there not a temp fix to get it working??

Oh I thought when you said plug you meant spark plug. With the temp sensors they're a pretty integral part to the ecu running. I'm not too sure though really. Would still put it down to a rocker cover gasket for te leak though.