hehehe..change to NGK 6... the jerking not dere ne more ( i hope), try a few time but it OK lo... can't get NGK 7 in my area, mayb poor demand...heheh..cost me RM48 for 4 pcs.
The jerkin gone but the car tend to misfire in the morning...mayb i haven't adjust the plug gap yet..hehehe....
joeker - if the engine is burinig more fuel then the spark plug will be black right...how a bout a little white color with brown spot?
The jerkin gone but the car tend to misfire in the morning...mayb i haven't adjust the plug gap yet..hehehe....
joeker - if the engine is burinig more fuel then the spark plug will be black right...how a bout a little white color with brown spot?