Oil pressure gage problem - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-15-2003, 01:36 AM   #1
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Default Oil pressure gage problem

http://www.datazap.net/free/beefcak/matt/Int.JPG u can just make it out, it pins its self at 830 kpa the mintue there is more than 1000 rpm an i mean the absolute second the enigne speeds up the slightest, it usually comes up to 230 at idel and at stop lights, any ideas as to whats wrong here??
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Old 05-15-2003, 01:37 AM   #2
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ohh and also should the boost gage be at 0 at idel or right close to -70?
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Old 05-15-2003, 01:44 AM   #3
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Damn metric canucks. Crap. Uhhhh.....something is wrong with your oil pressure, but it'* probably the sending unit or gauge. It COULD be a restriction in the system.....need more info like when you changed your filter and oil last, does it matter if the engine is under load or not, etc.

As far as the boost goes (metric again) it should read all the way to the left at idle, 0 (straight up) at about 1/2 throttle under load (in gear) and nearly pegged to the right at WOT.

What'* yours doing?
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Old 05-15-2003, 01:46 AM   #4
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Thanks..the odo says 235,500 and the sticker says next change at 237,000 and it has a ugh Fram filter under there, next change im going 10w30 full sythentic and a WIX filter

No matter if its under load or not its aways pinned, sometimes even at idel its pinned. The PO said that it did it for him to no matter what.
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Old 05-15-2003, 02:50 AM   #5
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the supercharger bounce could jsut be worn bearings
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Old 05-15-2003, 07:49 PM   #6
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Try testing the oil pressure with a real gauge to see if it really is that way. When mine started reading high it was the pressure sensor on the engine. It'* possible also that your instrument cluster has a problem with it.
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Old 05-15-2003, 11:45 PM   #7
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sseimatt93-

I would NOT recommend going with full synthetic at that mileage unless you would like to start seeping a little oil. True.
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Old 05-16-2003, 01:15 AM   #8
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i just changed the oil tonight i went cheap lol Valvoline 10 W 30 basic oil, and a new AC Delco filter.
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Old 05-16-2003, 11:23 PM   #9
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SSEimatt93,

Do that every 3k or so and you'll be just fine.
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Old 05-20-2003, 02:17 AM   #10
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so if my sending unit is going when i hook up a real gage it will read the same as the old stock gage??
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