Going Through Camshaft Position Sensors Like Crazy!? Help??
#1
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I have a 2003 Nissan 350z Touring Coupe, and when I got it, it was throwing a camshaft position sensor code, so I replaced the sensor with an OEM one from ConceptZPerformance (The One I Bought) and then about 2 weeks later I got the same code! Bank 1 camshaft position sensor... Is there something wrong with the OEM ones?? Or is there an aftermarket brand at least that is better? Any help would be appreciated, thanks!
#2
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More likely you have a harness or ECM issue.
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#6
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Mileage? Chain stretch?
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#8
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Uh oh, if you just did a timing chain job, it's possible you have a cam gear off by 1 tooth. My buddy made this mistake with his 2001 Audi S4 when he replaced the Cam plug seals (requires removal of cam chain tensioners). In the process of doing that, he got the chain on his Bank 1 intake cam off by 1 tooth! The car started throwing a cam position sensor code, always for the same bank/cam. Btw, the engine ran just fine. No misfires, no loss of power, no rough idle, everything seemed fine...but the computer knew! In the end, we fixed the problem, but had to basically re-do the whole timing belt job, and remove the tensioner + one of the cams to correct the issue. Good practice I suppose!
The sensors are the same regardless of bank/position. So if you still suspect it's a sensor issue, swap them and see if the issue follows the sensor. If the same code remains, then my money is on your engine being out of time. Don't waste your time with aftermarket sensors, they are crap compared to OEM. This is why, in my opinion, I think you have a legit timing issue.
Good Luck!
-Icer
The sensors are the same regardless of bank/position. So if you still suspect it's a sensor issue, swap them and see if the issue follows the sensor. If the same code remains, then my money is on your engine being out of time. Don't waste your time with aftermarket sensors, they are crap compared to OEM. This is why, in my opinion, I think you have a legit timing issue.
Good Luck!
-Icer
#9
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Uh oh, if you just did a timing chain job, it's possible you have a cam gear off by 1 tooth. My buddy made this mistake with his 2001 Audi S4 when he replaced the Cam plug seals (requires removal of cam chain tensioners). In the process of doing that, he got the chain on his Bank 1 intake cam off by 1 tooth! The car started throwing a cam position sensor code, always for the same bank/cam. Btw, the engine ran just fine. No misfires, no loss of power, no rough idle, everything seemed fine...but the computer knew! In the end, we fixed the problem, but had to basically re-do the whole timing belt job, and remove the tensioner + one of the cams to correct the issue. Good practice I suppose!
The sensors are the same regardless of bank/position. So if you still suspect it's a sensor issue, swap them and see if the issue follows the sensor. If the same code remains, then my money is on your engine being out of time. Don't waste your time with aftermarket sensors, they are crap compared to OEM. This is why, in my opinion, I think you have a legit timing issue.
Good Luck!
-Icer
The sensors are the same regardless of bank/position. So if you still suspect it's a sensor issue, swap them and see if the issue follows the sensor. If the same code remains, then my money is on your engine being out of time. Don't waste your time with aftermarket sensors, they are crap compared to OEM. This is why, in my opinion, I think you have a legit timing issue.
Good Luck!
-Icer
#10
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Ok, that's strange. If you ran the car for 500+ mi without issue. Maybe it's a chain tension issue, maybe it's a wiring fault, or just really shitty luck with sensors. Properly diagnosing this may require a high level scan tool with live data to trace down. the root fault. If the engine was truly out of time, then a CEL would have set within 50mi or so after you had the engine back together (sometimes even faster). I'm starting to think it could be an intermittent wiring fault. Check continuity/resistance between the sensor plug and PCM. You will need a complete wiring diagram.
Good Luck!
-Icer
Good Luck!
-Icer
#11
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Ok, that's strange. If you ran the car for 500+ mi without issue. Maybe it's a chain tension issue, maybe it's a wiring fault, or just really shitty luck with sensors. Properly diagnosing this may require a high level scan tool with live data to trace down. the root fault. If the engine was truly out of time, then a CEL would have set within 50mi or so after you had the engine back together (sometimes even faster). I'm starting to think it could be an intermittent wiring fault. Check continuity/resistance between the sensor plug and PCM. You will need a complete wiring diagram.
Good Luck!
-Icer
Good Luck!
-Icer
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