Quote:
Originally Posted by ndutton
No its not. Who told you that? And didn't we already make it clear adding MMO to the fuel was not a remedy for sticking valves? Yet here we are covering it again.
Instead of continually blaming the engine, consider that sticking valves are the result of a water incursion (not the engine's fault) and sticking after repair indicates a poor repair (also not the engine's fault). Have a water incursion in your new diesel and see what happens.
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This. When my old A4 had sticking valves it was salt-water rotted and on its last legs. My current engine has never had a stuck valve and neither did the original for the first 2 or 3 thousand hours.
I still think this engine was allowed to freeze and leaks water into the cylinders somehow.