Question about 2006 Chevrolet Silverado 2500HD 2WD

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Low oil pressure warning at idle 6.0 chevy vortec

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2003 Tahoe, 5.3 liter vortec flex fuel. Engine

this is a comon problem on chevy 00-06 models a computer ground ,it seems ok at sight but inside it's just holding a few wires ,get under the car on the driver side passenger there you should find a two ground wire goin to the block a big, and a small ,the small one gets coroded try to fix it and let me know how it goes ok.

Posted on Feb 25, 2010

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SOURCE: 97 chevy pu 305 vortec, had cyl 6 misfire and

thats usually a sign of a vacuum leak, recheck and make sure you don't have any loose hoses, or cut intake seals

Posted on Nov 12, 2010

mosthated357
  • 91 Answers

SOURCE: 2005 chevy silverado with low oil pressure

You should replace your oil pressure sensor its cheap and easy to do...

Steve

Posted on May 16, 2009

  • 117 Answers

SOURCE: Chevy suburban 2000 5.3 low to no oil pressure at idle

maybe a dumb question, but have you checked the engine oil level (not trying to be rude) . if you have check the type of oil filter you are putting on. But you mention tapping noises....do they increase slightly as engine rpm increases then dissapear. if so, i would wager that the noise you are hearing would be the hydraulic lifters. the reason you hear them is that they are not getting a sufficient amount of oil pressure...your oil pump might be dead or dying...would go that route.

also, ensure that you are using the correct weight of oil in your vehicle (follow manufactures recommendations)

hope this helps.

Posted on Jul 08, 2009

  • 139 Answers

SOURCE: fuel pump pressure specs

The fuel pump specs are 14 psi. and 20 gallons an hour.

Posted on Sep 08, 2009

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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

I have a 1995 K2500 that had the motor changed to a HD 383 Stroker before I bought it / It also has vortec heads. The oil pressure seems really low to me. About 2 to 5 lbs at idle. About 30 to 35 lb


That will burn out the engines bearings, if it knocks at all it is to late. Do verify the reading with a mechanical gauge if you haven't done so already. The rule is this at least 10-15 pounds at idle with hot oil, 10 PSI per 1000 RPM of engine speed. If engine is not knocking then replace the oil pump with a high pressure high volume pump.

Oct 09, 2012 | Cars & Trucks

2 Answers

1996 Chevy c1500 low oil pressure when hot at idle


Pressure regulator in the oil pump is bad or there is significant main bearing wear

Oct 09, 2011 | 1996 Chevrolet C1500

2 Answers

My car is Volkswagen polo 2001 1.4 automat. After driving 8-10 miles at a low speed(30-40 mile/h) oil pressure warning appear at the dash board. When I push the accelerator the oil pressure warning...


Do not assume that the low oil pressure warning is a false one or that you only have a faulty oil pressure sensor. Your engine may in fact be running with low oil pressure once the oil heats up and thins out. 8-10 miles of running is enough to get the oil hot. It is significant that you only get the low oil pressure warning once the engine oil is warmed up.

If the oil pressure in the engine is low, engine lubrication will be impaired and the engine can be badly damaged so you need to run an engine oil pressure check.

1. How long has it been since you have changed the oil in the engine? If it has not been changed in the past 6 months then change it and change the oil filter at the same time. You must only use the oil specified by VW for that particular engine.

2. When new oil is heated it thins. If it is old and contaminated it will be even thinner when warm. You will get less oil pressure when the oil is thin and hot and more oil pressure when it is thick and cold. Fresh new oil is a little thicker as it has not been diluted with petrol and other contaminants.
Oil pressure also varies with engine speed (RPM). At idle or low engine RPM the oil pressure is lower.

3. OIL PRESSURE CHECK
After the oil is changed the car needs to be run to check if the oil pressure warning still appears. (I suspect that it probably will). If it does appear then an independent oil pressure gauge needs to be connected up to the lubrication system in the car to check the engine oil pressure. This is best done when the engine oil is hot because this is when you are getting the low pressure warning. Any competent mechanic will be able to do this. ( The useless ones will not). The oil pressure can then be properly checked on the gauge at various engine RPM. If there is a low oil pressure reading from the gauge then there could be a problem with the oil pump, the oil pick up or the oil pressure relief valve in the engine.

4. You mentioned that you see the oil pressure warning disappears once you accelerate. I suggest this is only occurring because with an increase in engine speed (higher RPM) the oil pump speed is increasing and the low oil pressure problem is being overcome temporarily. However as soon as the engine RPM drops the oil warning will appear again which means the engine is running with below minimum oil pressure at that RPM.

Even when you get no warning, the oil pressure in the engine could still be running significantly below the optimum level.


5. It is possible that the oil pressure is fine and that the problem is an electrical gremlin as these cars suffer from a variety of electrical faults. However from what you have described I think there is a problem with low oil pressure in the engine and until it is properly checked it is unwise to assume that you are just getting false oil pressure warnings.

I hope this helps.

Dec 13, 2010 | 1999 Volkswagen Golf

1 Answer

Oil pressure guage drops off to nothing after vehicles runs for awhile 1999 chevy blazer 4.3 vortec engine


get it inspected. you may have engine sludge, or a failed oil pump, or a bad gauge or sender, or possible a failed engine. The main bearings on the crankshaft could be warn out causing this. Do not drive with no oil pressure or the engine will surely fail if it hasn't already.

Aug 10, 2010 | Chevrolet Blazer Cars & Trucks

4 Answers

Oil pressure low when idling. When running engine


first check the oil level if its good then change the oil if you hav'nt done so all ready and add some LUCAS oil stablizer this may help alot if not then the oil pump is most likley going bad and needs to be replced before the engine lacks oil and cause the engine to seize.

Mar 14, 2010 | 2000 Chevrolet S-10

1 Answer

2003 Tahoe, 5.3 liter vortec flex fuel. Engine replaced at 60k miles due to low end knock (typical late model GM). Scanner shows mutiple misfires on all 8 cylinders and erratic timing. Rough idle....


this is a comon problem on chevy 00-06 models a computer ground ,it seems ok at sight but inside it's just holding a few wires ,get under the car on the driver side passenger there you should find a two ground wire goin to the block a big, and a small ,the small one gets coroded try to fix it and let me know how it goes ok.

Nov 09, 2009 | 2003 Chevrolet Tahoe

2 Answers

1984 New Yorker 2.2 Turbo oil pressure low on ilde


I think you have a suspect oil pressure sender unit. Replace it as they are cheap and need to be reliable and it will be cheaper than getting the oil pressure tested. If the light still stays on with the new sender you may have internal wear or a partial blockage. If the light stays on you need to have it urgently checked by a mechanic or you could risk serious engine damage.

Sep 05, 2009 | 1984 Chrysler New Yorker

1 Answer

1999 chevy blazer wont start


THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Apr 11, 2009 | 1999 Chevrolet Blazer

1 Answer

1993 Chevy Blazer Oil Pressure


nothing ..normal low pressure at idle while hot ...but really should be thinking fresh oil change and filter soon..also what are the RPM's at idle hot in gear with A/C radio and other accessories running?

Nov 10, 2008 | 1993 Chevrolet S-10 Blazer

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