Here is a video on how to fix engine code p0449
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Diagnose the problem and fix it
is it hard to fix a manifold leak on a 351 ford engine
The best way to fix the engine light in your Land Cruiser is to fix the problem. There are many reasons your check engine light could be on including a loose gas cap and problems with your engine.
You fix it by replacing it.
Take it to a mechanic.
I believe you have lost your engine coolant , so whatever repairs are required to fix the problem
PO196 mercedes
Fix the oil? You don't fix it you just change it every 50 hours.
Fix the leak, and fill the coolant.
Locked meaning blown?,no quick fix.