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Old 11-11-2010, 10:35 PM
Cat Fuzz Cat Fuzz is offline
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Re: 2000 Saturn SC2 running horrible!!

http://www.obd-codes.com/p0507

http://www.obd-codes.com/p0440


The two codes are related somehow. Whatever is causing the p0440 is probably causing the p0507 as well. Something in evap system is broken and probably causing a big vacuum leak. You'll need to remove the right front tire, IIRC, to access the charcoal canister. It is under the inner fender liner. Work your way back from there, checking all the lines for any breaks.
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