runnin lean

[way2fastforu]

well lads need bit of help...my eg6 sir is runnin a bit lean wen i changed plugs today the tips were white ish....any ideas why??an how to solve this??thanks in advance

 

[blinx9900]

whiteish tips are somewhat normal, post pics... it depends how white they are... if everything in your car is stock start with chaning the fuel filter.