Question about 2003 Nissan Altima

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2003 altima engine light on, took to mechanic did dianostic test found out to be engine sensor starter or something like that, then it just died while ther something about security on car and key entry. anyway seems to ok but could happen again, cost he said is around 200.00 to replace. any ideas on this just looking to get another opinon

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  • Richard Delahant May 11, 2010

    there are many sensors on these engines now adays, without knowing exactly which one it is,I can't tell you.

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There is a dealer recall on the crank position sensor. The dealer will either replace it for free or reprogram the On Board computer. (It overheats because of where it's placed on the engine) My car was re-programmed but the sensor eventually failed and the car stalled in traffic.
Suggest you purchase an OBD 2 code reader. Or you can check one out from Auto Zone parts stores. You plug it in under the dash right below the steering wheel. A booklet will tell you what the error code means. I can't tell you how many stranded motorists I've plugged it into their vehicle (post 1997) and told them what the problem was.

Posted on Feb 09, 2009

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