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Sensor correlation

Tiny
PIETER ERASMUS
  • MEMBER
  • 2007 NISSAN NAVARA
  • 2.5L
  • 4 CYL
  • 2WD
  • MANUAL
  • 200,000 MILES
After overhauling the cylinder head including changing valves, timing chain kit and injectors and turbo charger.
the engine turns over but does not fire up unless you pull the cam censor out 2mm then it fires up, but the engine management light remains on. I have also checked and changed the Cam shaft and Crank shaft censor. The diagnostics keeps coming up as Sensor correlation.
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Wednesday, October 21st, 2020 AT 8:52 AM

2 Replies

Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
Have you checked for debris on the cam pulse plate? Sounds like a clearance issue between the sensor and the pulse plate.
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Wednesday, October 21st, 2020 AT 9:15 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

What are the code numbers?

If you have correlation codes, this usually indicates a timing issue with the chains.

https://www.2carpros.com/articles/how-a-timing-belt-works

https://www.2carpros.com/articles/how-camshaft-variable-valve-timing-works

I attached diagrams of the marks for you. To verify the timing, do a compression test.

https://www.2carpros.com/articles/how-to-test-engine-compression

Roy
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Wednesday, October 21st, 2020 AT 9:17 AM

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