Oil Gauge - JeepForum.com

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post #1 of 5 Old 04-17-2013, 04:27 PM Thread Starter
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Oil Gauge

Hey whats up just bought my wrangler today had a few quick questions, when i idle my oil pressure gauge is at about 65 and then when i rev it, the pressure goes up to 80. I just replaced the filler cap because the old one was bad. I thought that air was getting sucked in. It still does it but the jeep runs fine. I bought an extra quart to top it off.

Thanks Josh

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post #2 of 5 Old 04-17-2013, 04:37 PM
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1992 YJ Wrangler 
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Fill out your profile. We have no idea what motor you have.

Probably a sender problem. On the 4.0 the oil pressure releif valve is set at 75 psi according to the Jeep factory service manual. Very doubtful the actual oil pressure is 65 psi warmed up at idle. Unless you are using gear oil in your crank case!

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post #3 of 5 Old 04-17-2013, 06:55 PM Thread Starter
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thanks for the reply forgot to put some key information in i have a 2.5l

thanks again josh
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post #4 of 5 Old 04-17-2013, 09:01 PM
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1989 YJ Wrangler 
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I'd start with changing the oil. If it runs milky black change it again after a few hundred miles.
Could be sludge build up in the baffles or crankcase ventilation system.
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post #5 of 5 Old 04-18-2013, 08:38 AM Thread Starter
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thanks for all the help guys really appreciate it
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