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Old 12-13-2012, 06:53 PM
NissanAltima01 NissanAltima01 is offline
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2003 Altima 2.5S
 
Join Date: Aug 2012
Posts: 327
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No, you shouldn't have to erase the code because it should automatically be cleared after the defected sensor has been replaced with a new sensor. The Crankshaft position sensor is on the rear portion of the engine against the firewall on the driver side and it is a blind spot so you'll have to work with either using mechanic mirror or just the feel of the bolt from the sensor. Here is a video that will show you both sensors and there locations.

+ YouTube Video
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