I ended up using Bosch 5v plugs, even though I have 7v ceramics stock.
No issues after driving for a week, and absolutely no errors.
At 186K Km, I had no issues removing the original plugs.
It was a bugger of a job as I had to remove the battery, alternator, airbox and fuel filter. My intake elbow was full of crud and took me a few hours to clean.
I seem to be getting better performance and slightly better fuel economy. I am also not getting the strong diesel smell on cold starts.
I need to recover my busted up hands.
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