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What should the oil pressure read on a 1991 Jeep Cherokee 4.0L at idle?
Wiki User
∙ 14y ago
On metric gauge 2.5 to 3 bar, about 40 to 45 psi.
At least 15 psi, 25 psi would be better, 40 psi on a good engine.
Wiki User
∙ 14y ago
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