Originally Posted by
Biggunzilla
Upon removal it is obvious that the sensor has been previously replaced. The clip was damaged and not secure. I still replaced the sensor and secured the broken clip with electrical tape so it would not wiggle free again. I installed new spark plugs and added some Lucas oil stabilizer. Code is gone and car is running much better, but there is still a horrible tick. This is more prominent at high RPM and lower speed. The oil looks to be in great shape and there is plenty in the motor.