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LH 2.4 error code 123: I can't get rid of it 200 1993

Do you have a coolant leak, then?

How is the coolant level in the coolant expansion tank? Never allow coolant level to get so low.

This forum is full of symptoms and suggestions for coolant leaks, oil leaks, leaking cylinder head gasket, faulty coolant systems and such.

If the engine is leaking oil, is the PCV system clear and breathing. A clogged PCV systems pushes oil out lower seals first, yet can push engine oil out other places like the seal at the back of the cylinder head plugging the hole between the valve cover and the top of the cylinder head.

Perhaps use a manual car wash to wash away engine oil and grime to get a clean start and inspect for coolant / oil loss.






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