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Altima Nissan Altima Sedan Discussion Forum

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  #1  
Old 11-21-2015, 07:36 AM
dubbz dubbz is offline
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2004 Altima
 
Join Date: Aug 2009
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Default crankshaft sensor

2004 Altima 2.5 ran fine, parked it, next morning won't start. Turns over like it wants to start but won't fire up. I changed both crank and cam sensors about 6 years ago. The car did not throw any codes. Any idea how I can check which sensor it might be? Any help would be appreciated.
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  #2  
Old 11-21-2015, 12:27 PM
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bennyb53 bennyb53 is offline
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2019 Sentra
2002 Altima
 
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Location: Hawaii
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A no start condition is always a PITA. It could be electrical or could be hardware. Test the cam sensor first since it is easier to get to and you don't even have to remove it just unplug the harness connector. Uninstall anyway to do visual. Your DMM in Ohm setting. Procedures in page EC-291. If cam sensor is good chances are crank sensor is good. If your scanner has Freeze Frame be sure to look in there for pending dtc.

Also inspect batt. neg. cable connections at chassis and engine. Have some1 step on the brake and you go see if you have brake lights, listen for fuel pump being primed.
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Old 11-21-2015, 03:22 PM
dubbz dubbz is offline
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Thanks Benny. I don't have a service manual though. Can you post this pageEC-291? Thanks again.
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Old 11-21-2015, 04:16 PM
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bennyb53 bennyb53 is offline
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You can download the loose leaf engine control manual from here. Manuals are in Knowledgebase section from the top menu bar.
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Old 11-22-2015, 02:02 AM
dubbz dubbz is offline
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Thanks Benny.
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Old 11-22-2015, 09:19 PM
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NissanTech NissanTech is offline
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2004 Xterra
 
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Quote:
Originally Posted by dubbz View Post
Thanks Benny. I don't have a service manual though. Can you post this pageEC-291? Thanks again.
Here is the lick to download the "Engine Control (EC)" section: http://x.nissanhelp.com/forums/Knowledgebase/links/82/
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