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- - Code P0403? (https://www.camaro5.com/forums/showthread.php?t=119334)

xpanda305x

12-09-2010 04:46 PM

Code P0403?

today after i dropped off my girlfriend i notice i had a light. so i called up Onstar and they told me that the code is P0403. which deals with my exhaust. but the thing is...i dont know what is it! i have an axle back exhaust and i dont know what it can be.....any help?

thiggin2

12-09-2010 06:10 PM

Are you sure its was P0403?? There is no such code. Maybe they ment P0430. If it is then that might be an O2 sensor or converter. :chevy:

xpanda305x

12-09-2010 09:26 PM

nope pretty sure...

xpanda305x

12-10-2010 07:04 AM

i disconnect the battery and reconnect it...the light went away and drove about 3 hours...no light...maybe a glitch in the system?

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