Just got a code reading 0303. Anyone happen to know what it stands for? Stupid question, I know.

leirleir Member Posts: 3
edited May 2015 in Chevrolet
the truck is idleing rough, like its rich... its done this before but always smoothed its self out. any help id thank you for. code reading 0303 , i dont have access to what it represents. thank you ahead of time as this site has always been so good to me
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