2005 Nissan Xterra (2wd) check engine light flashes then engine stalls at stop lights, driving fast or slow, puffs a little black smoke when check engine light flashes then stalls. Have to wait a minute before it starts (cranks) again. Won't hold trouble codes if not cranked. (resets codes). Percision Tune ran the Diagnostic test for 2 hours and said it might be the computer. Thoughts??

SOURCE: 2004 nissan sentra

yes it sounds like your fuel pump is going bad

SOURCE: 1995 nissan pathfinder

I have the same type of codes right after i changed my transmission in my 95 pathfinder. Did you find why you received those codes. A nissan mechanis was not really sure he told me a bad comp maybe and a bad tps.

SOURCE: where is the fuse for

IN THE SMALL FUSE PANEL IN THE INTERIOR THERE IS A FUSE MARKED ON THE DIAGRAM ELEC.ACC.. THIS SHOULD CONTROL THE RADIO.

SOURCE: car stops running after 15 minutes

P1446 reads, manufacturer control auxiliary emission controls. Not positive but a look at the fuel cap( see if it is twisting and securing correctly), check the vacuum lines in the engine compartment (for damage), could be related to the evap. system.

SOURCE: 1987 Nissan 200SX cranks but hard to start

Thats a classic sign of having your engine run too rich. That puffy layer of ash is carbon which means your engine is not burning gas properly or completely which means is misfiring thats why the car is shaking. Try having your oxygen sensors checked and make sure you are using good fuel.