P0340 Camshaft position sensor circuit malfunction
P0153 02 sensor circuit slow response Bank 2 Sensor 1
P0174 System too lean Bank 2
P1450 Excessive fuel tank vacuum
Do vacuum leak check, especially at the purge hose , if there is no problem found in that area, you would need to do a KOER (Key on engine running test)
In the back of the intake manifold area, you need to make sure the EVAP hose are connected, to its vacuum source
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