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04-23-2016, 02:49 PM | #1 |
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Oil pressure 36 ford
On start up the pressure reading in my car is perfect. Idle at about 15 running when hot around 25PSI. I checked with a oil pressure gauge. But some time after the car warms up the oriaganl gauge starts to push to the top at about 50. When I come to a idle drops back to around 20. Any thought of what might be wrong here. Do I need a new sending unit. Thanks for the help
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04-23-2016, 08:14 PM | #2 |
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Re: Oil pressure 36 ford
I've noticed that the OP goes up and down to some degree (like the gas gauge) based on the voltage output of the generator. It is a resistive circuit that moves the needle depending on the current through the gauge, which will vary with the voltage.
However, if this behavior just started, then it's either the gauge or the sender. The sender is the easier one to change, I expect. You might take note of the generator output when the readings change and see if they match up. Mine runs about 50 to 20 psi until the oil is thoroughly warm. (20/40 Rotella T3) John
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04-23-2016, 08:33 PM | #3 | |
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Re: Oil pressure 36 ford
Quote:
All of the early Ford gauges and senders work on a similar principle. |
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04-23-2016, 09:38 PM | #4 |
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Re: Oil pressure 36 ford
Funny thing is I just installed a new genorator and it would make sense because when i let off the gas the amps and oil pressure go down. What should be down to solve the promblem or does that mean I need a new sending unit
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04-24-2016, 07:05 AM | #5 |
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Re: Oil pressure 36 ford
Have your battery checked to make sure it is still good. Charge it up, then take it to one of the auto parts stores.
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04-24-2016, 09:43 AM | #6 |
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Re: Oil pressure 36 ford
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04-24-2016, 10:20 AM | #7 |
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Re: Oil pressure 36 ford
When you put a new generator on, did you polarize it ?
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04-24-2016, 01:13 PM | #8 |
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Re: Oil pressure 36 ford
I will check the battery but I am not having a issue charging. Amp meter reads around 10 when driving and a little above 0 when idling. I drove it to a show this morning with the lights on and it wa charging .
Lawson I have not polarized the genorator. How do I do that
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