Question

2003 Nissan Altima 2.5L, can p1456 and p0442 code can be because of the same reason?

Answer 1

P0442 NISSAN - EVAP Control System Leak Detected Small Leak

Read more: https://www.autocodes.com/p0442_nissan.html

P1456 NISSAN - Evaporative Emission Control System Leak Detected Small Leak

Read more: https://www.autocodes.com/p1456_nissan.html

Yes, both codes are for the EVAP system small leak.

Comments

thanks. 4 months back I had code p1456 and mechanic has put new parts like charcoal canister and purge solenoid and then it costs 700. service engine soon light was fixed. Now few days back it came up again with code p442. Can it be some problem in same parts as mentioned above?