Q: why is my car overheating and the oil is fix in coolant resouir? on 1998 Cadillac Catera

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
and oil in sparkplugs
(3) Answers
(3) Comments
Sounds like blown headgasket. Check compression, pressure test cooling system , also a chemical test kit you can get to check for combustion gas getting through cooling system.
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