My lady just got a 06 cobalt ls with 2.2L. The car keeps throwing a code for PO340. It says faulty cam sensor when I took to autozone. My question is do the 2.2`s have a cam sensor and if so where is it located and how hard would it be to replace in advance. Thanks
Weapon-R intake, 17 silver wheels. Custom 2 1/4 in exhaust. Voltage regulator.