Apparently it travels upward through the wiring harness like capillary effect. If it does manage to reach the ecu, the oil can damage it so for peace of mind, best to install new part, it's a superceded part number too.
Apparently it travels upward through the wiring harness like capillary effect. If it does manage to reach the ecu, the oil can damage it so for peace of mind, best to install new part, it's a superceded part number too.