Question about 2004 Chevrolet TrailBlazer

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Stop engine/oil pressure

Low oil pressure came on it said to stop engine

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Add oil, and check for proper level on dipstick......light should go out.

Posted on Jan 13, 2009

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High temp low oil pressure light comes on after driving for a few minutes, then off when engine at driving rpm. At stop light (idle or low rpm) light comes back on. Normal driving it goes out.


You need to find out why you have low oil pressure. It is normal that as engine rpm's increase, the oil pressure will rise- the oil pump is moving oil faster. Even though your light goes out, you could still have critically low oil pressure. There should be sufficient pressure at idle to keep the light off. The light will come on when your oil pressure is almost nil- I believe for some it's as low as 8 psi. Normally, oil pressure at idle is specified anywhere from 15 to 40 psi. You would have to check specifications for your Expedition. To verify oil pressure, hook up a mechanical gauge at the oil pressure sending unit on the engine block. Check with a local shop.

The causes run from easy, simple to budget busting ruin. Low oil level, wrong grade oil, real old oil, oil leaks, internal oil leaks, worn oil pump, worn crankshaft bearings. It was pretty common on older very high mileage cars to have a fluttering oil light at stops and idle. It was time for a rebuild, or time to look for another car.

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Low pressure when at idle, after the engine has warmed up and the oil has thinned, indicates that the oil pump is worn and needs to be replaced.

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If the engine oil pressure switch senses low oil pressure will it cause the engine to stop


On many cars, yes. Without more information about your vehicle, I can't tell you more than that.

Jan 21, 2015 | Cars & Trucks

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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

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Make sure oil level is full, possible faulty oil pressure sender. replace sender and recheck, if warning still comes up, possible internal engine issue.

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1 Answer

Oil pressure low stop engine and check guage


Fist check oil level, the sensor is a pressure switch worked by oil pressure, hopefully the sensor has gone faulty. The oil pressure needs checking, if the oil pump or relief valve has gone faulty, the engine is being starved of lubrication and is causing internal damage. It is advisable NOT to run the engine till the pressure has been checked. (hope it's the sensor)

Jan 07, 2014 | 2002 Chevrolet TrailBlazer

1 Answer

What does it mean when the message "STOP ENGINE, Oil pressure low on a 2007 impala


it means the oil pressure is low and may be low enough to damage the engine if you keep drving/running the engine. it would help if you could tell us the actual oil pressure, engine and mileage . basically, the oil pressure may be low enough to wreck your engine, then again it may be bs......

Mar 30, 2013 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

Low oil pressure light comes on when i stop giving the car gas like when i come to a stop sign or light and every now and again the check engine light comes on. I change the oil to a heavier oil and the...


This may mean engine wear or bad oil pump. I would have the oil pressure tested to see if its a shot some where or if the pressure is really low, this is done by removing the sensor and installing a gauge and driving the car to see if the pressure is low, if the pressure is low then more checking is neede to see why,you may have worn engine bearings or bad oil pump. depending on the mileage it may be smarter to replace the engine, not knowing what internal damage has been done already. good day.

May 10, 2011 | 2006 Pontiac Grand Prix

1 Answer

Why is showing low oil pressure and stop engine on dash board i have low oil pressure and it reads stop engine


Check your oil. If it is low, top it off and see if the light goes out. If your oil is full, have your oil pressure checked.

Jan 08, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

WARNING MESSAGE sTOP: OIL PRESSURE ...wHAT IS


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.

Sep 26, 2009 | 2007 Volkswagen Passat Sedan

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