Question about 2004 Chevrolet Silverado

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My tach drops to 0 my oil pressure gauge drops to 0 as well some times

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Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Silverado instrument cluster repair

Posted on Oct 08, 2010

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Common problem on the 03-06 Silverado instrument clusters, it's caused by failing stepper motors on the cluster's circuit board and it can be repaired. Check out this page for more on how to get it fixed - Silverado instrument cluster repair

Posted on Sep 30, 2010

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1 Answer

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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2004 Doge Ram 2500 5.7 Hemi 190K mile had oil pressure gauge drop to ZERO and check gauges light come on and engine shut down.. Check oil 1 guart low, add oil. let cool. crank up, good gauges drove home 45...


If the valve lifters are quiet you most likely have oil pressure even with gauge showing "0".Sounds like the oil pressure switch going bad.I would try that first.

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1 Answer

Dropping oil pressure


You need to put a mechanical gauge on it to read actual oil pressure, sometimes the sensor is wrong, have seen the gauge be off (even on newer than yours). The first thing anyone would do is the mechanical pressure test with a screw in oil pressure gauge. That would be my advise.

Aug 03, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

2001 dodge ram 2500 v10 oil pressure drops to 0 then back up


you need to put an oil pressure gauge on it and see what happens.what you will find is that the sender unit is no good.

May 18, 2010 | 2001 Dodge Ram 2500 Truck

1 Answer

The oil pressure gauge goes from 0 to all the way up and the needle moves back and forth while driving it checked oil its good now its clicking underneath the car and it felt like the transmission was...


First we would need to know when this occurs. Asuming the oil level is at the full mark!. If the pressure goes up during acceleration and down at idle when engine is fully warmed up, then this is normal. An engine requires 10 psi of oil pressure per 1,000 rpm ( ex. 20 psi at 2,000 rpm, 25 psi at 2,500 rpm, and so on ) . If the gauge is moving back and forth erratically at idle , i would say the gauge is bad. If it drops to 0 while accelerating I would say your oil pump is bad. If from time to time it seems to work and other times it seems not to work, I would say the oil pressure sending unit for the gauge is bad. If the pump failed you would start to here a Knocking noise from the engine in a short period of time. Use the above scenario's to narrow down what it may be.

Mar 27, 2010 | 2005 Nissan Altima

1 Answer

Oil pressure guage occassionly drops to 0 psi and warning light g


Get it checked with a mechanical gauge. Replace sensor.

Sep 28, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

The oil pressure gauge keeps dropping down to 0 while i am driving


If you don't hear any ticking or knocking while the pressure gauge drops, the problem is probably a failing "oil pressure sensor". If you do hear a ticking or knocking, the problem is probably a failing "oil pump".

Jun 03, 2009 | 1997 Jeep Grand Cherokee

1 Answer

2002 jeep wrangler oil pressure gauge drops


When the gauge is at 0, is there any noise from the engine (tick, knock etc?) I would have someone put a mechanical gauge on there and read true pressure.Your driving pressure seems OK but if the low number is "real" something is wrong!

May 30, 2009 | 2002 Jeep Wrangler

1 Answer

4.7 liter oil pressure gauge malfunctioning.


Check or replace the oil pressure sending unit.

Feb 25, 2009 | 2005 Dodge Ram 1500

1 Answer

Oil pressure gauge goes crazy!


You had better check your dipstick and see if you have any oil showing on the stick? Sounds like your oil pump pickup is uncovering in a turn and cavitating which is caused by low oil quantity.

Feb 11, 2009 | 1995 Chevrolet K1500

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