Question about Chevrolet Silverado 1500

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I have a 2002 Silverado with a 4.8. My problem is the oil pressure gauge flickers. Any suggestions?

Most of the time it runs about 60 psi, but sometimes it starts to flicker like its sticking. But it never drops below 40 psi! Any suggestions?

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2000 - 2003 chevy trucks have some bad sensors in the gauge cluster. had to have speedometer sensor replaced in cluster on my 03 suburban

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

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SOURCE: 2005 chevy silverado 5.3 Liter 1500 4x4 , im havn

You probably need a oil pressure sending unit it is located at the back of the engine and is a high failure

Posted on Mar 30, 2010

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SOURCE: oil pressure gauge is reading 80 psi. I had the

The oil sending unit is located on the engine block behind the drivers cylinder head area.You have to climb up on the motor to see it cause it is hard to see behind the wiring harness.You may also want to purchase a new sending unit because it is very long and you might need to buy the sending unit socket to replace it.Hope this helps.Good luck.

Posted on Jul 20, 2010

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SOURCE: Dodge 2.7 I'm losing oil

The first stop is to measure the pressure with an external gauge. if the readings are the same, surgery is needed, I would look at the oil pressure relief valve for foreign particles.

It takes resistance to make pressure, and your decsription does not sound good. If the pressure is actually dropping, and you find no issues with the oil pump and pick up, you need to measure bearing clearances... Essentially, everywhere oil is pumped needs to be inspected...

Posted on Oct 31, 2010

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Is the oil gauge in a 2006 1500 4 x 4 silverado suppose to at 80 all the time?


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Hi!!
THE OIL PRESSURE SHOULD BE CHECKED REMOVING THE OIL PRESSURE SENSOR AND INSERTING A MANUAL OIL PRESSURE GAUGE. AFTER TEST, USE TEFLON TAPE TO REINSTALL THE OIL PRESSURE SENSOR
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A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

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Oil pressure gauge is reading 80 psi. I had the


The oil sending unit is located on the engine block behind the drivers cylinder head area.You have to climb up on the motor to see it cause it is hard to see behind the wiring harness.You may also want to purchase a new sending unit because it is very long and you might need to buy the sending unit socket to replace it.Hope this helps.Good luck.

Jul 20, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

Truck has low oil pressure at idle no knocks just low pressure


The gauges on some of these weren't overly accurate so I would suggest having someone test the oil pressure with a mechanical test gauge temporarily installed in place of the oil pressure sending unit to see what the actual pressure really is with the engine fully warmed up at an idle [this is when the pressure would be at it's lowest point] If you have 15 psi or above then that's about normal. If you have less than 10 psi then that's getting fairly low and could be the result of worn internal bearings. If you have good oil pressure but your gauge reads very low then you might just have an inaccurate or faulty sending unit that isn't reporting the right pressure reading to the gauge. Once you have the actual pressure tested you'll know where to look next.

Jun 26, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

While driving the oil pressure gauge sits between 60 and 65 psi but when i get on the gas it shoots up to 80 psi. When idling it sits on 40 psi.


When the engine is idling, the oil pressure is reduced. At fast idle (such as highway speed) it in increases. This is considered normal. If it goes higher than 80 or lower than 40...have it checked out.

Feb 15, 2010 | 2001 Chevrolet Silverado 2500HD

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Changed oil pressure switch,still no oil pressure


The fuel pump on that model runs through the oil pressure switch so that if the truck looses oil pressure,It kills power to the fuel pump to prevent engine damage.you need to find the cause of the low oil pressure reading(possibly a bad oil switch).That would be the cheapest place to start,or have it checked with a mechanical gauge.Good luck,
ChevRev

Mar 30, 2009 | 1999 Chevrolet Silverado 1500

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