Question about 2007 Volkswagen Passat Sedan

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WARNING MESSAGE sTOP: OIL PRESSURE ...wHAT IS

WARNING MESSAGE sTOP: OIL PRESSURE ...wHAT IS THE CAUSE

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Check your oil, it may be low if not the oil pressure needs checked. The sending switch could be bad or you have low oil pressure. If you have low oil pressure have it fixed ASAP. The loss of oil pressure can cause severe engine damage.

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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Where is the oil sending unit on a 1996 mercury cougar xr7 ? Its cause my oil pressure gauge is bouncing up and down...i dont know why...can anybody please help me thank you so much


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The low oil pressure warning lamp will illuminate anytime the ignition switch is turned to the ON position without the engine running. When the engine is running, the light also illuminates if the engine oil pressure drops below a safe oil pressure level. To test the system, perform the following:
If the oil pressure light does not work, perform the following:
  1. Turn the ignition switch to the ON position.
  2. If the lamp does not light, check for a broken or disconnected wire around the engine and oil pressure sending unit switch.
  3. If the wire at the connector checks out OK, pull the connector loose from the switch and, with a jumper wire, ground the connector to the engine.
  4. With the ignition switch turned to the ON position, check the warning lamp. If the lamp lights, make sure the oil pressure switch is properly grounded in the cylinder block, and if so replace the oil pressure switch. If the lamp still fails to light, check for a burned out lamp or disconnected socket in the instrument cluster.
To diagnose an oil pressure light that stays on, perform the following:
  1. Check the engine oil level and top off as necessary. If the engine was 2 or more quarts low on oil, test start the engine after topping off the oil level and recheck the oil pressure light operation. If the light stays on, stop the engine immediately and go to the next step.
  2. Disconnect the wire at the sending unit, then turn the ignition switch to theON position. If the light remains on, check the wire from the sending unit to the gauge for being shorted to ground and repair as necessary. If the light goes out, turn the ignition switch OFF and go to the next step.
  3. Replace the oil pressure sending switch with a known good switch.
  4. Start the engine and check the oil pressure light operation. If the light stays on with the engine running, stop the engine immediately to avoid severe engine damage until the cause of the problem can be determined.

WARNING
If the oil pressure light remains on while the engine is started, stop the engine immediately. Do not operate the engine until the cause of the problem can be determined. Operating an engine with low oil pressure will cause severe internal damage.

Possible causes for an oil pressure light to stay on are:


Pinched or grounded sensor wireDefective oil pressure sending unitRestricted or severely leaking oil filterExcessive internal engine bearing clearance.Insufficient or severely contaminated engine oilBlocked oil pump pickup screen or severely worn oil pump

Mar 31, 2016 | Mercury Cars & Trucks

1 Answer

Stop! oil pressure engine off


First, take it to another mechanic....

If you get an oil pressure warning, then one of two things is wrong:

1. You don't have oil pressure. Could be oil pump, or other internal, expensive problem.

2. Oil pressure sensor bad. Easy to replace.

Dec 14, 2015 | Cars & Trucks

1 Answer

Why would the oil light stay on?


That depends on the type of oil warning light being displayed. There are 2 types of warning lights

1. Low oil pressure light which all cars have
2. low oil level light which some cars have.

Low OIL PRESSURE warning means the oil pressure is below minimum and when this happens there will be insufficient lubrication of many engine parts because sufficient oil cannot get to all parts of the engine it is required to lubricate. Until the cause is identified and rectified the warning light will remain. If you run your engine with low oil pressure you will cause expensive damage to internal engine components.

Low OIL LEVEL warning means the oil in the sump has dropped to a dangerously low level (which may be due to an oil leak or abnormal oil consumption by the engine.) This warning means the oil level needs to be topped up and the warning will stay displayed until you top up the oil. Running the engine with low oil will cause expensive engine damage.
Since it is a 2 minute job, Oil levels should be checked fortnightly as a minimum, together with radiator coolant and power steering fluid levels, if you run the car most days each week as most people do.

It is possible for a warning light to remain displayed when the cause has been dealt with because there is a problem with the sender unit. However it needs to be established with alternative checks that the problem has been fixed before investigating if there is a problem with the warning light itself.

Nov 21, 2015 | Cars & Trucks

1 Answer

Hi I'm having this message, 'low oil pressure' when temp go to suitable temperature my car Peugeot 407


The engine bearing clearances expand with heat which, if excessive, will lower the oil pressure. The spring in the pressure regulator in the oil pump will cause the pressure to drop for the same reason. A partially plugged oil intake screen will work in conjunction with the oil pump to cause it too.

Nov 15, 2015 | 2009 Peugeot 407 2.7

1 Answer

Oil pressure warning keeps coming on.


Without any more information I'm going to simply "spitball" an answer.

It COULD be oil starvation caused by high mile/kilometer sludge in the engine which slows the return of the oil to the pick up screen of the oil pump. Starving the oiling system.

It COULD be low oil level which would cause the oil pump to starve.

It COULD be a faulty sensor/sender causing the warning message.

Being you said "on the motorway" I'm simply guessing this is the only time the happens and NOT when driving at slower speeds/RPMs.

Hope this helps.

Feb 21, 2015 | Cars & Trucks

1 Answer

I have 2002 gmc envoy, oil pressure low, stop engine warning only comes on when i stop on a hill?


The pressure regulator in the oil pump may not be working, the idle speed may be too low and there may be a lot of wear on internal engine parts lowering oil pressure

May 30, 2014 | 2002 GMC Envoy

1 Answer

If oil pressure sensor is bad could it damage my vehicle further


It's a warning light system that no oil pressure exists. If it doesn't work, it won't cause damage, you just won't know if and when your oil pressure is lost. The sensor or sender unit is very inexpensive on most vehicles, like under $10.
All the sender does is cause the oil light to go off when it detects minimal pressure. A valve inside the sender moves and causes the sender to stop grounding the warning light, and so the light goes off.

Feb 10, 2013 | Cars & Trucks

2 Answers

Why does oil pressure warning light go on jetta 4 tdi,1.9


Get it in for diagnostics, the possibilities are endless, but do not drive the car!
A) Check the oil levels, and if there are any leaks
B) Check oil pressure sensor

When last was an oil change service done?

Jun 26, 2012 | 2001 Volkswagen Jetta TDI

1 Answer

On a hyundai tiburon how do i know if the oil pressure is bad


If you have low oil pressure you should have a waring light or message, the engine will become noisy and if it is not repaired very soon you will here first a loud tapping noise then a loud knocking deep in the engine, and finally the engine will worst case blow up and parts may come out the bottom through the oil pan. Never drive any car that shows a low oil pressure warning light or message, stop the engine right away and have it checked by a shop.

Feb 13, 2012 | 2003 Hyundai Tiburon

1 Answer

My oil light comes on and pings when I come to a stop-just had oil changed and no leak. I have owned this van since it was new, and have regularly changed oil and had maintenance done. Has about 132,000...


Hi,
Was the right grade/viscosity of oil used?
If not then this could cause this to happen. As the oil heats up, it thins and the pressure will decrease. Then when you slow down/stop, the pump will be putting out less pressure and this combined will cause the warning to come on.
The other thing is it could just be the oil pressure switch/sender on the way out.
Hope this is of some help.
Iain

Nov 03, 2009 | 1999 Plymouth Grand Voyager

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