Thread Size: M12*1.25
Hex Size: 16mm
Center Electrode Material: Iridium
Ground Electrode Material: Platinum
12290-R48-H01A 0242135548 SILZKR7B11 9023 RER10WMPB4 VXUH22I 1884611070 9723
Can a vacuum leak cause a rich condition?
Vacuum leaks in today's computer controlled engines can cause very serious engine damage. ... Because the vacuum leak pulls in outside air, immediately the fuel air ratio is altered to a lean condition.