2013 Armada sometimes cranks but not start

[Pervis12]

Hello, hope you guys are able to help me with my car issues.
This my family car 2013 Nissan Armada Platinum 4x4. Sometimes the truck will just crank but not start, after a few crank attempts, she will start up. At first I only had DTC P0340 (Cam Position Sensor Bank 1). I went a replaced the 1 cam sensor with Delphi Cam sensor SS10817. Cleared the dtc start the car allowed it to run; checked for dtc again and now I’m getting p0340 & P0335. Replaced the Crankshaft sensor with Hitachi Crank sensor CPS0005. But still getting the same 2 dtc. The truck will start and sometime just crank and no start. Also shake while driving, RPM fluctuate but never shut off. I decided to replaced the other 2 Cam sensors ( Intake Valve Timing Control Sensors; the two that sits on top of the engine front cover) Now I’m only getting p0335 no more p0340. The car still have the same symptoms; crank and no start and sometimes start, shake while driving and when I went on a test drive the truck stalled on me. I’ve checked Crank sensor and cam sensor connectors for Power, Ground and Signal. There’s also continuity in the cranks signal wire going to the ECM and the Cam signal wire as well. Do I have a bad timing?

[VStar650CL]

With a good scanner you should be able to stream the cam angles, they should both be sitting at 0 +/- 1 degree at idle. If so, nothing is jumped.

Aftermarket crank and cam sensors on Nissans are a complete crapshoot, even reputable Japanese brands. Try an OEM crank sensor.

[Pervis12]

With a good scanner you should be able to stream the cam angles, they should both be sitting at 0 +/- 1 degree at idle. If so, nothing is jumped.

Aftermarket crank and cam sensors on Nissans are a complete crapshoot, even reputable Japanese brands. Try an OEM crank sensor.

When I get back to the shop I’ll hook the scanner back up I don’t remember what the reading was.

[Pervis12]

I was able to connect the scanner again to check the V/T Assign Angle; which I suppose is the Cam angle?
these are my reading at idle:

V/T Assignn Angle = 0
INT/V SOL (B1) = 0%
INT/V TIM (B1) = 31.50 DEGREE
INT/V TIM (B2) = 12.5 TO 13.5 DEGREE
ENGINE SPEED = 600- 1100 RPM
COOLANT TEMP = 90 DEGREE C

Link to YouTube upload.

[VStar650CL]

INT/V TIM is your cam angles. She's jumped at least several teeth (or your phasers have a major issue).

The VT assign angle is the cam angle the ECM is aiming for, the solenoid setting is the amount of PWM the ECM is giving the IVT solenoid valves.

[Pervis12]

INT/V TIM is your cam angles. She's jumped at least several teeth (or your phasers have a major issue).

The VT assign angle is the cam angle the ECM is aiming for, the solenoid setting is the amount of PWM the ECM is giving the IVT solenoid valves.

ok thanks. to check the phasers I will have to remove the valve cover correct? and to verify the timing, I will have to remove the front cover (timing cover)

[VStar650CL]

Yep. One way or another, the cover needs to come off.

[Pervis12]

Yep. One way or another, the cover needs to come off.

Ok thanks for the help. Earlier today I had the car idling and I was messing with the cam sensor connector (pushing down and tilting side to side.) the engine was reacting to it, rpm will get higher and sometimes stall out..
I attempted the same with the crank sensor, whenever I slightly push it tilt the connector side ways. The engine will instantly stall out. So I’ll be replacing the Cam and the Crank sensor connectors tomorrow and see what happens. If issues still persist then I’ll get to checking the timing system.

[VStar650CL]

Wiring problems can definitely make the sensors lie, although it would be pretty unusual for multiple connectors to be trashed at the same time. I'll cross my fingers for you.