CAM position Sensor/circ code? for 1998 Y33

[socalY33]

would this cause the car to misfire?

happening to my friend's car. he replaced a few ignition coils (admittedly, not all of them since he only replaced the ones that were "worst" according to his mechanic)

anyhow, took it to another friend who works at nissan and hooked it up. he says that this code came up.

wondering if anyone has experience with this.

thanks

[Q45tech]

Obviously the CAS [master clock] must be perfect in sending out the 90 degree [4 pulses per cam revolution] and the 1 degree [360 pilses per can revolution] so the ecu knows were the piston is exactly in the bore to squirt fuel and fire the spark plug.

Even a single degree error at high rpms can reduce measured power, but a 10 degree error will be noticeable by the NUMB.

A loss of signal will result in a loss of injection and spark.

Worn and dirty CAS are common after 100k/7 years unless the oil is maintained in an extraordinarily clean pristine state.

OBDII requires multiple different CAS/ crank angle sensors to try to back up against single point failures but guessing where the piston is often leads to averaging errors!

[socalY33]

so, i think that means...'

"yes"

and, "yes" this is also common

just that everyone on here talks about ignition coils and spark plugs and MAF

but i've never heard about someone saying, "I had sluggish acceleration and misfiring" and replaced the CAM position sensor and "walah! it was all fixed"

Thank you q45tech. =)

i think this is a cheaper fix than those other ones.