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Old 12-04-2008, 11:05 PM   #1
Bigblockhead
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2003 ION-3 Sedan
Default P0520

Engine Oil Pressure Sensor/Switch Circuit malfunction
Anyone got this? I did a search and didn't get any results other than wolfmans DTC list (Thanks).
or
If someone could post the service manual info for this I would appreciate it. 5+ years and this is the first time I've need the manuals for this car, yes they are now on order from (Helm Inc.).
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Old 12-04-2008, 11:44 PM   #2
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2003 ION-3 Sedan
Default Re: P0520

Forgot...it's an '03 ION3.
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Old 12-05-2008, 04:28 AM   #3
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2007 ION-2 Sedan
Default Re: P0520

I take it by the lack of you mentioning your engine screeching to a halt that you still have oil pressure, so the sensor is located right beneath the oil filter on the outside of the engine block, I'd replace your filter, too, but you'd know if you lost oil pressure.
...
2007 Saturn Ion 2
2003 Chevrolet venture lt

trifecta dealer for the U.P. and WI. There is no two door ion. Proudly driving one of the last saturns produced before gm killed the brand.
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Old 12-06-2008, 02:51 AM   #4
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Default Re: P0520

Odds are there would have been alot more codes set if it had lost oil pressure.
Good news...it's not inside the block...LOL
It was dark before I could look but I think I found it under the oil filter (Thanks) just above the starter. Looks like the wires might be touching the exhaust (header)...that's not good. Hmmmm now the big question...do I hang the christmas lights or fix her car tomorrow??? I think the truck needs waxin'...
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'03 ION-3 Stock
'04 C2500HD Diesel Not Stock
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Old 12-06-2008, 12:14 PM   #5
2006 ion2
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Default Re: P0520

the exhaust is on the other side of the engine, what it's right next to is a plastic intake. If it is touching the exhaust, the wires probably need replacing.
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2007 Saturn Ion 2
2003 Chevrolet venture lt

trifecta dealer for the U.P. and WI. There is no two door ion. Proudly driving one of the last saturns produced before gm killed the brand.
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Old 12-07-2008, 12:36 AM   #6
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Default Re: P0520

Opps...Did I say it was REALLY dark outside when I looked ...
The CEL isn't on so I'm not too concerned. I'll take another look tomarrow(While the sun is still up), clear the code and see what happens until the manuals show-up.
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'03 ION-3 Stock
'04 C2500HD Diesel Not Stock
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