My 2003 Nissan Altima sputters while its in drive. Sensors were changed. What ? on 2003 Nissan Altima

I've changed the timing chain, throttle body,cam and crank shaft sensors,catalyc converter, gave it a tune up. I am very stressed about this. I don't want to get rid of the vehicle I've put to much money into it.what should I do? Also my check engine light is on. It reads TCM and crank shaft sensor.

Asked by for the 2003 Nissan Altima
ck wiring at crank senspr or ck for proper signal. you may need to seek a mech with a scanner that can read live data
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Chain not on correctly.