01-24-2008, 10:52 AM
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Check engine light?
My check engine light came on this morning, the only thing I can think it might be is my oil life is at 39%.
Does the engine light come on when oil life is below 40%? Or am I going to have to head to the shop? I haven't got a manual so I can't read about it.
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Minor mods... Wheels, de-badged, stereo, grill, intake. 
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01-24-2008, 10:55 AM
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Quote:
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| 2006 Cobalt LS coupe | AEM intake | custom 2.25" exhaust w/ Magnaflow muffler | GMPP extrude honed manifold | SS/SC downpipe | Eibach Sportlines | Ingall's torque damper | eBay short shifter | DC Sports strut brace | black projectors | 17" MB Motorsports Drift wheels | 225/45/17R Kumho Ecstas | front Recaro seats from Ion Redline | 35% front sides; 20% back sides and rear tint | ARK shorty antenna | Niteshaded side markers and 3rd brake light | Beltronics Express 795 radar detector |
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01-24-2008, 10:56 AM
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yep, autozone will let you read the code for free and then go from there...tell us what is and see if we can help
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O6 Cobalt LS 2.2 Laser Blue 20% tint Pioneer Premier HU Memphis 6x9's and 6.5's iPod Interface Adapter color matched bowties front and rear
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01-24-2008, 11:14 AM
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I would always seem to get a CEL after the dealer had it, they always came back with "loose gas cap"
I no longer go to the dealer and haven't had a CEL yet......
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Thanks nugz 
Last edited by light'balt; 01-24-2008 at 11:15 AM. Reason: forgot to add this
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01-24-2008, 11:21 AM
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Take it to an autozone, advanced, etc.
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Triple Black 2003 Mustang GT Convertible Current Mods: | Motive 4.10 Gears | Mesh Grille | Zenn Drop Springs | BBK Shorty Headers | BBK O/R H Pipe | Smoked Tails | Fuego Tuned Upcoming Mods: 75mm TB | Plenum | Patriot Stage II Heads | Stage II Cams | Flows  Goal: 310 rwhp N/A...then Supercharged
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01-24-2008, 08:21 PM
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i always make sure i get four clicks outta my cap before i start the vehicle after the dealerhad it, or i filled up
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Cobaltkrazy: Turning aftermarket parts to dust, since 2006!!!
http://www.facebook.com/group.php?gi...3784350&ref=nf How to post pics: http://www.yourcobalt.com/forums/ins...tml#post169806
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01-25-2008, 01:43 AM
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Well it threw a code P0420. Says it's a catalyst efficiency low-bank 1.
Could be either a bad catalytic converter, engine misfire, vacuum leak, or oil leak into exhaust valve guide seals. So, it's going in on Monday for a check-up.
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Minor mods... Wheels, de-badged, stereo, grill, intake.
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