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Nissan recalling nearly 700,000 sedans

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Old Nov 27, 2007 | 06:55 AM
  #1  
90rocz's Avatar
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Nissan recalling nearly 700,000 sedans

Nissan recalling almost 700,000 Altima and Sentra cars
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(AP) — Nissan is recalling 686,500 Altima and Sentra passenger cars to fix problems with a sensor that could lead to engine stalling.
Nissan Motor (NSANY) spokeswoman Jeannine Ginivan said Monday there have been no reports of crashes or injuries tied to the issue. More than 650,000 of the recalled vehicles are in the United States, with the remainder in Mexico and Canada.

The Japanese automaker said in a Nov. 16 letter to the National Highway Traffic Safety Administration that the recall affects Altima and Sentra vehicles from the 2002 and 2005-2006 model years equipped with a 2.5 liter engine.

Nissan said the crankshaft position sensor could overheat, causing an interruption in the sensor's signal. Under the condition, the engine could stop running without warning while the car is being driven at low speeds.

Dealers will reprogram the electronic control module to address the problem. Nissan plans to begin notifying owners on Dec. 10. Owners can contact Nissan at (800) 647-7261 with questions about the recall.

I'm curious how a reprogram of the module will keep the crank sensor cooler, and how will that affect performance?...interesting.
Old Nov 27, 2007 | 07:56 AM
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Maybe it'll use less of a voltage.
Old Nov 27, 2007 | 08:36 AM
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Originally Posted by 90rocz
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I'm curious how a reprogram of the module will keep the crank sensor cooler, and how will that affect performance?...interesting.
My guess would be a reduction in the duty cycle of the signal at the sensor, thus reducing the overall power there. I can also guess that this will reduce timing accuracy, which I wonder what that does for their emissions ratings?
Old Nov 27, 2007 | 10:08 AM
  #4  
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Originally Posted by Todd80Z28
My guess would be a reduction in the duty cycle of the signal at the sensor, thus reducing the overall power there. I can also guess that this will reduce timing accuracy, which I wonder what that does for their emissions ratings?
My "somewhat" educated guess is that it will likely do little or nothing to the emissions (at least nothing that would put the vehicle out of compliance with the rules applicable to the model year vehicle).

The testing of the fix before deciding on using it almost certainly included emissions testing.
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