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Chevy avalanche 2006 oil temp gauge not working proper

The oil temp gauge is going over 50 psi, and its not shifting in gear ( has a high idle)

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  • Anonymous Mar 17, 2014

    2002 chevy avalanche will not idle properly

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You need to get your tranny checked out really fast before you burn it up if its not shifting into gear. it sounds like it may be on its way out

Posted on Jan 13, 2009

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Oil pressure low at idle


Are you sure the gauge is reading correct? You also didn't mention how many miles the vehicle has. If it's less than 150k I would doubt the motor it worn out, (excessive bearing clearance would cause poor oil pressure even with high volume pump). Chevy's have a lot of issues in the dash with the motors that make the individual gauges work. I would check the oil pressure with a manual gauge. If you don't have the skills to do this yourself, a qualified shop wouldn't charge much to do it. If you find that the gauge is incorrect, there is a guy in MN that rebuilds the instrument cluster for $65 with all new stepper motors (the motors that work the gauges) and replacement of all the bulbs, plus gives it a lifetime guarantee. www.speedometerrepairguy.com.

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My engine oil pressure gauge is showing 73psi at idle and as I drive it goes up to 90psi under 2oooRPM.. both the computer and gauge read the same psi.. Can I drive like this? What is the solution?


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Alrighty. I've asked this a few times before, I have more info now. CHEVY 350 K1500. 1993. Replaced intake gaskets, (bad oil leak) dropped a small amount of coolant in with oil while doing so. Changed oil...


how did you clean the gasket off of the head? if you used a sanding disc the grit will eat up the bearings. are you reading pressure with a mechanical gauge? you have replaced all bearings??

6 psi @ 1000 RPM
18 psi @ 2000 RPM
24 psi @ 4000 RPM
this is chevrolet specs on oil pressure in your truck so you are within the range.

describe your idle problem more and i will try and help you with that

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If you run a synthetic oil you may see slightly lower pressure but will not loose any wear protection. Additionally the synthetics tend to keep oil passages cleaner and will gently remove any restrictions that formed due to gunk buildup.

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Start up with the engine cold, should be 60-65 psi Start up with engine hot and also running in gear idling 42-48psi
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