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Author Topic: Fluctuating oil pressure  (Read 9860 times)
Jon Weywadt
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« on: September 06, 2015, 10:29:28 am »
I just came home from the Danish Matra summer meet. During the drive I noticed that the oil pressure fluctuated between 2 to 5, even with constant 2000 RPMs.
Any ideas what could cause that? I have a new oil filter and oil. The oil is still clear.
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takeadjet
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« Reply #1 on: September 06, 2015, 04:29:38 pm »
I had the same problem at the Djet.The oilpressure switch at the engine was the problem.
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takeadjet
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« Reply #2 on: September 06, 2015, 04:32:34 pm »
Check ther oil pressure switch at the engine.Never trust french car electric.
« Last Edit: September 06, 2015, 04:41:38 pm by takeadjet » Logged
Oetker
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« Reply #3 on: September 07, 2015, 08:21:24 am »
Yes, oil pressure switch is  in most cases the problem.
I never saw one that displays the same pressure.
According to my information this one should fit.

http://www.ebay.co.uk/itm/Fuel-Parts-Oil-Pressure-Sender-Unit-Engine-Sensor-Genuine-OE-Quality-Replacement-/391202918516?hash=item5b1582d074

I have tested some VDO units that are cheaper but they work different.
VDO sensor  needs several  modifications to work with the original meter.
« Last Edit: September 07, 2015, 08:27:01 am by Oetker » Logged
I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982.(sold) Murena 1.6 1981 black on places. (for sale). Nissan Leaf 2017. Renault Twingo Quickshift 2006.
Jon Weywadt
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« Reply #4 on: September 07, 2015, 11:20:00 am »
Quote from: Oetker on September 07, 2015, 08:21:24 am
Yes, oil pressure switch is  in most cases the problem.
I never saw one that displays the same pressure.
According to my information this one should fit.

http://www.ebay.co.uk/itm/Fuel-Parts-Oil-Pressure-Sender-Unit-Engine-Sensor-Genuine-OE-Quality-Replacement-/391202918516?hash=item5b1582d074

I have tested some VDO units that are cheaper but they work different.
VDO sensor  needs several  modifications to work with the original meter.

Thanks.
I looked for one like it in all the Danish parts stores. Only one showed it and they did not have it in stock, so I have ordered the one on eBay.
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