Previous UOA here.
160529 miles on the engine at the time of this sample.
For about three months right at the beginning of the OCI, the car ran only a few times, only for moments at a time, and only to move in and out of a garage, occasionally without its O2 sensors. Also, I discovered a failing ignition coil just after this oil change, so presumably it wasn't doing its best work near the end of this OCI. Not sure if either of those is noteworthy WRT wear but they're all I could...
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160529 miles on the engine at the time of this sample.
For about three months right at the beginning of the OCI, the car ran only a few times, only for moments at a time, and only to move in and out of a garage, occasionally without its O2 sensors. Also, I discovered a failing ignition coil just after this oil change, so presumably it wasn't doing its best work near the end of this OCI. Not sure if either of those is noteworthy WRT wear but they're all I could...
Read more