Well my Maxima started missing about 3 wks ago. Upon looking I found 2 dead injectors and the rest in perfect order. I changed out the two injectors yesterday and it is running a lot smoother but it still misses. I dont know what else to check, a buddy of mine told me it could be the fuel regulator...any thoughts? I also cleaned up the IACV, checked all lines, and changed fuel filter

 

Usually when one injector goes....the others are not far behind it....If the symtoms are the same as before you changed the other two..I would suspect the other injectors...

 

The others seem perfect though. Steady readings at 12.9 for all of them,I just checked them back today. What else could it be?

 

Injectors can perform just fine just sitting there idling then fail under load.

Is the car stubling just sitting there idling or under accelaration?

 

all you read were resistance values, which do not neccessarily reflect an injector functioning.
pull the plug wires one at a time to see where the miss is occuring.

 

I did this after reading this response and it was all fine. After I pulled one wire out the idle would stoop down. The car isnt stumbling under acceleration, acceleration and power is better than it has ever been. It just at idle theres a small missing(barely noticeable( and I cant seem to find out whats causing it. The car idles at around 750-800 RPM and drops to around 600-650 when put into gear. Are there any other sensors I can check?

 

The o-rings on the injectors can leak, and the filter screen on the injector can get plugged up. So a resistance check doesn't tell you the whole story.

 

which engine do you have. On the VE check all the ignition coils for cracks, you can also compare their resistances.

 

Each plugoff x6 should produce equal miss.

"Are there any other sensors I can check?"
- what have u done so far (injector NOT sensor)
- VG cap, wires, plugs ... then ALL sensors AND smtg else:
http://www.cardomain.com/ride/748507/14
http://www.cardomain.com/ride/748507/9

 

Its a VG engine. I do get a equal miss after disconnecting each injector. I was also told the terminals may be corroded and that may also causee this. I plan on cleaning them up today. I have changed the plugs, cap,rotor,and wires when I id the two injectors. I'll let you guys know, I plan on taking it to a mechanic this weekend if I cant figure it out myself.