2000 Nissan Frontier P1148 and P0443

Question

Recieved these codes. . .Frontier is running fine, but I have smog within the next few months. O2 sensor is going to be replaced, but the P0443 code is messing me up. . Is it the canister, valve, or solenoid? Or is it all in one?

Answer 1

P1148 NISSAN - Closed Loop Control Function Bank 1

Read more: https://www.autocodes.com/p1148_nissan.html

P0443 NISSAN - EVAP Canister Purge Volume Control Solenoid Valve

Read more: https://www.autocodes.com/p0443_nissan.html

More than likely you have to replaced the Purge Volume Control Solenoid Valve, but before replacing the valve disconnect the hoses and check for carbon particles. If there is carbon you may have to replaced the canister as well.