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low/no oil pressure 96 Jeep Grand Cherokee V8

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Old 04-28-2009, 09:26 AM
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Default low/no oil pressure 96 Jeep Grand Cherokee V8

Hi all. Not sure if I'm posting correctly but here goes... I have a 96 Jeep Grand Cherokee Laredo V8 w/ 148,000 miles. It runs great normally but I noticed yesterday when I had the AC on at idle the oil pressure reading dropped to 0 and at times it fluctuated wildly as temp. reading rose (220+) Check gauge light also came on. Once I started driving it (pressure) began to rise and the temp cooled but it had limited power as fan was running. Normal temp runs about to 200-210. Oil pressure has always ran at 20 psi. Any ideas?

Last edited by landslide; 04-28-2009 at 09:30 AM.
Old 04-28-2009, 09:52 AM
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sounds like a failing pressure sensor.

Replace the sensor and clean the oil from the connector with electrical contact-cleaner.
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