Ok i have a 2012 Chevrolet Cruze eco 1.4t its a flooded title but evreything works I installed a boost gauge and it only marks 6psi and the vacuum its around 17-18-20 and i check for boostleak and cant find any and a get the code p2306 the boost sensor was change and put a new one and that was not it and car is a 6 speed MT from time to time it would go up to 16 psi and once you stop it wont do it again can anybody help should i take it to Chevrolet would they fix the problem or a local shop