[icu1954]

I pulled the crank sensor from my 1.8 2002 sentra gxe,getting ready to put a new one in when it arrives,because of no start issues.I noticed that this sensor still has good magnetic properties about it.Could this sensor still be good?

 

[i68k]

well a magnet is just that, it will always have magnetic properties. so most likely, the magnet will be good, but you would be more interested in the connection to the crank sensor. so as long as the magnet is close enough to the signal plate, it will pulse, and those pulses are now an electronic signal send thru the harness to the ecu, which the ecu uses for timing. follow the fsm, there is a troubleshooting section with steps, voltages, and other things to look for, like a dirty connector, tolerance between sensor and signal plate, etc. hopefully you at least have a multimeter.

i believe in the early qg, you can put the crank sensor in upside down, there should be a lot of info around for your problem. i dont remember the exact details, but i think it was like if you have a flat plastic crank sensor, you may need to rotate it 180deg. which is why most people opt for the round metal crank sensors.