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Q: no oil pressure in top end of motor lifters are very noisey on 2002 Saturn L100

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
could it be the oil pump ?
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Test the engine oil pressure. It should be 50-80 PSI at 1000 RPM.

2. Check for a loose timing chain.

3. Check for a ruptured engine oil filter. The pieces can get sent through the oil passages
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