ok.... so I replaced my crankshaft position sensor... and that code isnt showing up... I checked the wires on the crankshaft position sensor, voltage was good... my starter is good.... what is the problem here.. car is givinbg me the same starting problems when the park/neutral position switch sensor and crankshaft position sensor were bad....

 

man i wish i was smart, and understand you peeps

 

I wish I was smart enough to know what the hell is going on with my car...
This is pissing me off...

 

hey mike try the advanced performance forums. thats where the guys who know what they are talkin about hang out.

 

yeah ive had my post up for a day and had no replies there....
I really dont want to take this thing to the Nissan stealership

 

0407 is the REF CPS - did you replace the right one?

 

Yeah I did...
It does the same thing with both the new, and the old sensor in. I also check the wires for the CPS, and they were good.
Is there a different sensor??? Is the REF CPS different from the plain old CPS?? Crank Position sensor?? Theres only one right??

 

Nope - there are two CPS. REF and POS.

There is one in the transmission bell housing and one right below the crankshaft pully in the timing chain cover.

The REF is the one near the crankshaft pulley, the POS is the one in the transmission bell housing.

Which one have you been playing with?

 

The one in the transmission bell housing....

So now I need to replace that one...
why would it break?? I haven't even touched that sensor..

 

It looks like you've been swapping out the wrong sensor Pull the other one out, clean it up and put it back in, clear the codes and see what you get... IIRC the REF sensor is held on with 2 10mm bolts.

 

Yeah I did that yesterday, and it still threw the code and gave me the same problems.. So I went ahead and picked up the sensor and i'm gonna throw it in tomorrow.
Thanks njmodi for the info!!

 

No probs - let me know how it goes.

 

geez...my car also gives the 0407 code and it's hard to start the engine, hope we can share some experience...