Oil Pressure



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Thread: Oil Pressure

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    Oil Pressure

    2000 Grand Voyager, 3.3L engine, 118,00 miles. OIl pressure warning light on when idling at a traffic light, about 750RPM. When I accelerate, warning light goes off. I'm thinking I have something restricting oil flow? Oil pump going bad? I just changed the oil today (wife first noticed light coming on yesterday).

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    It's most likely a lazy oil pressure sensor. It's a cheap part, and the probable fix.
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    Or, if it's had less than good maintenance over the years, it could be worn bearings, worn oil pump, or otherwise loose tolerances that "bleed off" oil pressure. If it was me, I would install a mechanical oil pressure gauge in addition to replacing the existing sending unit. That way you will know for sure what kind of oil pressure you are getting.
    2000 Plymouth Voyager - Original 2.4L and 31TH - 210,000 miles

    1997 Dodge Caravan Sport - Original 3.3L and 41TE - 113,000 miles

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    I've been changing the oil regularly, I've had the van for 5 - 6 years now. To check the pressure with a reliable gauge, remove the sensor and install the gauge, the sensor is next to/above the oil filter?

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    Quote Originally Posted by camp800 View Post
    I've been changing the oil regularly, I've had the van for 5 - 6 years now. To check the pressure with a reliable gauge, remove the sensor and install the gauge, the sensor is next to/above the oil filter?
    That is the way to check the pressure.

    You can probably just get away with changing the sensor though. They are very common to fail on Chrysler's and you may even find that it has started leaking a bit too. Usually they have oil in the electrical plug when they start to go bad.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

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