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10 Nov 2004, 07:39 pm
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Whats up with this?
My oil light came on today, so I stopped and checked the level, it was fine. Just changed oil 800 miles ago. why would the oil light go on? could it be a bad censor.? any others have this? eventually it went off. after I stopped and started. if it comes on again I just want to know how to approach it. Gary
    
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10 Nov 2004, 08:35 pm
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Oil lights are almost always a pressure switch, not level. If there is enough oil, and the motor sounds okay, it is probably the oil pressure sending unit, or the connector. To be REALLY sure, a gauge should be put in the same threaded hole and the pressure checked. The old spec was 10 psi for each 1000 RPM, but the new engines with tight tolerances and thin oils can be even lower. Most switches don't work unless the pressure drops to 2.5 or 5 psi!
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 2004 Dark Plum Base with windows tinted, cabin filter, silencers removed, fog lights, 18\'s, all Red taillights, Blaine\'s struts, modesty cover, color-matched center dash, 06 rear bumper
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13 Nov 2004, 11:57 pm
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Thats interesting because I added a half quart of oil last week and the light has NOT come back on? should I be concerned? Gary
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2003 Turbo GT 5-speed/ www.perfectautofinish.com Founder/ Chicagoland PT Cruiser Club Contributing Editor, PTCruiserLinks.com www.ptcruiserlinks.com/garys-cleaning-tips
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14 Nov 2004, 11:21 am
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Gary,
When the light came on the first time, you checked the oil, right? Was it considered "full?" If so, it is more than likely a bad oil pressure sending unit. It can be an intermittent problem. Since you had an oil light, you have a stored code. Your dealer can check it out and have it replaced under warranty. BTW, this happened to me and the replaced sending unit has been perfect since. Scott
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\"If you choose not to decide, you still have made a choice.\"
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14 Nov 2004, 03:18 pm
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Quote:
 I'd always be concerned about an oil light.
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'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler. Mods: E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar. Traded in '02 Silver Touring Edition w/87,000 miles
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14 Nov 2004, 04:23 pm
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I was having trouble with mine, I would shut off and restart then the light would go off.I bought a sensor from the dealer for $16.00 and a special oil pressure sending unit socket from Pep Boys for $7.00. Even though there was not a CEL I turned the key 3 times quickly and got "5 of 54" & "po522" which is oil sensor problems.I assume the 5 of 54 were the occurances. While crawling under the car to see what was needed I moved the connector and the oil light hasn't come on since, but I have the socket and new sensor ready!
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16 Nov 2004, 09:18 am
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If it comes on again, its going back to the dealer. only 3,000 miles left on warrenty anyway. Gary
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2003 Turbo GT 5-speed/ www.perfectautofinish.com Founder/ Chicagoland PT Cruiser Club Contributing Editor, PTCruiserLinks.com www.ptcruiserlinks.com/garys-cleaning-tips
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16 Nov 2004, 09:32 pm
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Quote:
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