The engine P1335 code looks a kind of powertrain problem and this problem can be solved easily. The powertrain problem is easy to solve. You do not need to change any part from the car engine. If you do not know how to fix this car engine problem, you must not try to fix the car engine. You need to take the car to automobile repair center for solving the car engine. The valves of each cylinder are kept closed using a pair of arms that replace the conventional engine’s roller-type rocker arm. The engine P1335 code is one of these arms what follows the cam profile while the 2nd arm attributes to the valves. During normal engine operation the 2 arms are linked by a locking pin.