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key on engine running is 31 psi with regualtor vacuume hose disconnected 39-41 psi key on engine running is 31 psi with regualtor vacuume hose disconnected 39-41 psi

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17y ago
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15y ago

at idle with a vacuum hose connected should be about 31 psi

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13y ago

My 95 Cherokee 4.0 has around 35 psi.

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15y ago

39 psi plus or minus 5

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11y ago

39 psi +/- 5

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12y ago

Should have at least 10 psi at idle.

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4y ago

60

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4y ago

55

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Q: What is the Fuel pressure of a 3.7 Jeep Liberty?
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