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Oil pressure indicator drops to 0 , jar dash, returns to nromal

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Posted on Jan 02, 2017

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SOURCE: 00 lincon navigator 5.4 oil pressure drop's low and light comes on , engine idles rough when pressure drops ,then pressure return s to normal range ,light goes out ,engine runs perfect. Is it my oil

Sounds more like an engine idle issue than a oil pressure issue. If the engine idle drops too low, the oil pump cannot provide sufficient oil pressure. If there is no oil light when the engine is idling normally, then there is no problem there.

Posted on Dec 25, 2014


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After having an oil change on my 2006 solara, the mpg indicator on the dash has dropped from 27 to 17 and still dropping

Did they change your tire pressure. tire pressure affects the mileage dramatically and when ever I have someone change the oil I tell them not to change my tire pressure.

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Why does oil pressure fluckulates

Well it could be a faulty pressure sensor, or you could really have a problem with the oil pump or engine. As the engine warms up the oil gets thinner and pressure can drop if the engine is worn out.
You can check the oil pressure by using a mechanical gauge and bypass the gauge on the dash.

Aug 03, 2014 | 1999 Ford Explorer

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Oil prresure indicator drops to 0 when vehicule stop

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Aug 15, 2013 | 2003 GMC Envoy

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Have a 2004 f150 left town took exit heard knocking oil pressure dropped to 0 then up back down is it oil pressure sending unit or pump or maybe o ring from pump to tube

Pull the sump and check the main bearings for spinning in cap. The knock indicates a bearing and the fluctuating pressure indicates a oil hole being opened and closed as the bearing shell moves over the oil hole in the crank.

Mar 21, 2013 | 2004 Ford F150

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While drivingoil pressure is at 40. after half hour of highway driving oil pressure drops to 0 or below. i stop and restart oil pressure comes back. ideas?

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Mustang GT 2002 oil pressure gauge dropping to zero

The first order of business is to check the oil pressure while the gauge is not working. If the oil pressure is fine and the system reading zero, there is a fault in the oil pressure switch circuit. Often, the problem is related to the oil pressure switch itself. I have seen cases, too, where the oil pressure switch fails internally, causing oil to push past the seal and into the wiring connection causing a short. The wiring harness has a single pin.

Another area, though it fails much less often, is a break in the wiring between the oil pressure sender/switch and the ECM module (located in the right passenger footwell) and between the ECM and the instrument cluster. The instrument cluster may also have a short, though the sender is the most likely issue here.

ASE Certified Master Technician since 1984 - Everything from toy cars to the largest of trucks
Consultant for the North Carolina Consumers Council

Jun 30, 2012 | 2002 Ford Mustang

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In my 02' Trailblazer oil pressure gauge goes below 0

I have this same problem with my 2002 trailblazer; however, I goofed up and had a mechanic look at it, since I was perplexed as to what was going on with it. He told me the oil pump needed replacing and it ended up costing me around a $950. Needless to say, it still happens. A grand down the drain - it wasn't the oil pump. The oil level is always good. This generally occurs when I've run the vehicle for a while and then come to a stop. It occurs quite often during the spring/summer and doesn't happen all that much during colder months.

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1 Answer

Oil pressure drops to 0

If its a v8 then its probably a plugged oil sump and now a bad pump. install test gauge to determine if pump is actually bad.

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