Ok i have a totally stock 09 cobalt, i know this question may have been asked before, but when i floor it i notice my boost gauge only goes up to 12 psi max.. mind you in 20 degrees here in jersey, just wanted to know if this is normal or i have a leak somewhere... ive heard of people getting like 14 but it really depends on the weather. And thank you for your help.

 

depends on your altitude too, the car is designed to make 260/260 no matter the conditions

 

Your car is fine, temp changes adjust the level big time on a stock car

 

Thank you!