Question about 2003 Nissan Altima

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Car turn off by it self when I''m drivirg and also whe I stop

I have a 2003 nissan altima, the problem is when the car is on drive and press the brake pedal the car star like jumping unti it turn off by it self and also when I'm driving the car tur off by it self also. is very dangerus.. I already changed the cam and crank position sensor also the spark plugs and the ignition coils, and I still have the problem, i was thinking to chance the throttle body assambly but I'm not sure I already spend a lot of money. what can you recoment to resolve this problem thank you

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Take it to Advance auto parts and let them hook up an OBD scanner free of charge to find out what codes come up on the engines computer.But before you do that check the battery cables to make sure they are both tight and free of corrosion. If you don't have an Advance auto nearby then try another auto parts place that will check it for FREE. Good luck to you and be safe.

Posted on Apr 23, 2009

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Check the check valve that goes to your booster remove it from booster and there should be a vacum that goes to it..

Posted on Apr 23, 2009


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Have you had it checked for codes on the computer, although the check engine light is not on, the car my have some codes stored in the computer.
If you are in the US, I understand that if you take you car to an Auto Zone store they will read off the codes for you, once you have the codes then you can plan a course of action.
Other large auto parts outlets may also provide this service as they want your parts business.

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