I have a 97 Maxima, the problem is, some times it stalls, will not take any gas, and blows white smoke, and smells like gas. First I disconnected the mass air, no difference. Thought if this was the problem, it would clear up. I disconnected the mass air when the car was acting fine and acting up. The only difference it made, was when the car was fine, when disconnected the rev limiter kicked in when given any gas. Took it to Autozone, codes, Mass air, and bank 2 O2 sensor, and miss fires... Now the car acts fine, so, I have disconnected both O2 sensors, and I will be driving the wifes car to work tomorrow, with a spare mass air sensor, disconnected O2s. When I had the codes ran, I disconnected the both Mass air and the O2s, would this cause codes?
I figure, if it is an O2, that may cause the code for the Mass air, trying to correct it self.
What do you guys think?
Thanks Stamepde

 

I'm not exactly sure what you all did, but reconnect everything, reset the ECU, and drive, if needed, until the Check Engine light comes on. Once it comes on, see what code comes up and start from there. Disconnecting sensors is typically not a valid way of trouble shooting problems.

 

So you disconnected the maf sensor and the 02 sensor before you had your codes checked? or after? If before, then this would cause a code.

And it makes sense that an 02 sensor would cause a maf error...I had a similar problem on a ford I was working on recently.

And white smoke is water burning, black smoke would be gas and blue smoke is oil burning.