sugg est testing cam pos solenoid

Question

check engine lt coming on after 30 miles

Answer 1

P0013 Exhaust camshaft position (CMP) actuator solenoid control circuit Bank 1

If you want to test this you would have to use a scan tool that can observe the CMP angle to the desired CMP angle, Other than that the ECM has already tested this sensor,One of its job is to look for open circuits short circuit, grounds ,rationality