Po440 nissan frontier Service Engine Soon - P0440 code - Nissan Forum Sep 07, 2012 · Hi there, I have a 97 Nissan King Cab 4wd and recently the Service Engine Light came on. I had a diagnostic which returned the... Source Source Source Source Source Source Source Source Source Source Read Also: Po440 code nissan pathfinder Nissan po440 Po440 nissan sentra Po440 nissan pathfinder Po440 nissan altima Nissan maxima code po440
