I have a 1996 Nissan 300zx which uses OBD 2. I just replaced my transmission and when I finished installating everything, the engine starts perfectly, however, the check engine light comes on. I bought a code reader, and the code that comes up is P0335. which says:

P0335 CKP Sensor (Pos)

I dont' know what could be the problem. I only changed the transmission, the sensor is the same.

Can any one help me?

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