Question about 2003 Nissan Altima

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2003 nissan altima airbag blinking. Engine is running rough. Plus check engine soon light is illiminated.

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On most vehicles, the airbag light should come on for @6 seconds, and then go off if the system is working properly. If there is a fault or a problem in the system, the light will remain illuminated, or flash continuously. If the airbag light does not work properly, some vehicles have an audible tone that sounds indicating a problem with the airbag light system. When the light is on (or the tone is sounding), the airbag will NOT deploy, even in an accident. Most systems can only be diagnosed using a scanner designed for the airbag system, however some use flash codes to indicate the problem. The scanners at Auto Zone or the ones that sell for @ $50 will not access the airbag system, only the engine systems (check engine light).
This website gives you the procedure for diagnosing and resetting some systems without a scanner. Some vehicle manufacturers accommodate that (like Toyota, Lexus, Nissan, Infinity, Honda, Acura, Ford, Lincoln, Mazda & Mercury) and some require a scan tool. http://www.airbagsolutions.com/

Posted on Jun 01, 2010

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Check engine light flashing check engine soon smell of gas and not running smouth


Check engine light flashing means there is a bad misfire , it flashes to tell you your damaging your catalytic converter . You need to have it check , you don't won't to have to replace the catalytic converter . Can cost up to $1,000.00 . Flashing Check Engine Light CarMD

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2003 Nissan Altima 2.5L Service Engine Soon Light is on, Auto Zone says codes are for MAF and O2 Sensors. Car hard to start after driving a while but when starts appears to run smooth. Auto Zone thi


ok lets start with the codes they say your getting. P??? which 1's and how many. there are few o2 sensors, are they next to the Exhaust next to the converter? MASS AIR FLOW -MAF use this, for now i am guessing, until i see the correct codes your are getting. this could be the 1 you may have below, please read it........
  • P0103
    Mass Air Flow Sensor Circuit High Input
  • Possible causes
  • Faulty mass air flow sensor
    - Intake air leaks
    - Dirty mass air flow sensor
    - Dirty mass air filter
    - Mass air flow sensor harness is open or shorted
    - Mass air flow sensor circuit poor electrical connection
  • Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.
  • possible symptoms Engine Light ON (or Service Engine Soon Warning Light)
    - Engine stall
    - Engine running rough
    - Excessive fuel consumption
    - Excessive smoke
  • the code is generated when An excessively high voltage from the sensor is sent to Engine Control Module (ECM).
2003 NISSAN Altima Sedan OBDII Codes List

Oct 22, 2014 | 2003 Nissan Altima

1 Answer

My service engine light is on and the engine is running rough . What doni do ?


Shut down engine immediately before more damage is done. The engine oil and the oil pressure condition must be checked.
The timing belt condition or if the period has elapsed for changing the timing belt must be checked.

Jun 14, 2011 | 2003 Nissan Altima

1 Answer

I have a 2003 nissan xterra...can't get the idiot lights for the airbag and check engine soon to go off...and the keyless entry will not work, battery in the keyless has been changed and the vehicle has...


Take it to a different shop. Something is wrong with it. However, when the airbag light is on, that means the airbag will not deploy in an accident. You should have that fixed first. The dealership is the best option for making the keyless entry work. If this was at all helpful, please rate. Thanks for asking.

Jun 29, 2010 | 2003 Nissan Xterra

1 Answer

Why is the airbag light blinking in my 2003 Altima?


The airbag light will "light" when there is a malfunction in the airbag system. The fault is present in the air bag controller. The computer must be scanned to retrieve these stored faults to pinpoint the malfunctioning component. Your airbag system is not functioning. I strongly suggest taking it in to get tested!

Apr 24, 2010 | 2003 Nissan Altima

1 Answer

2003 Altima shuts off while stopped at red light


If you have a Service Engine Soon light on, then having the computer scanned for codes would be recommended. The code could indicate what the problem may be. The most common is cam and crank sensors.

I would have it checked to verify.

Thanks Jay!

Jul 23, 2009 | 2003 Nissan Altima

1 Answer

When is running start to shake like if going to start off and the check engine light start to blink but all stop and the car continue run without problem


a blinking check engine light indicates a missfire in one or more engine cylinders, have a trouble code test run to determine which cylinder(s) is missfiring.

Jun 30, 2009 | 2003 Nissan Altima

1 Answer

MAINTENANCE REPAIR ON HIGH MILEAGE NISSAN ALTIMA


Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. Some problems are minor, but if not addressed it could become major. The list of possible codes number in the hundreds. The code itself doesn't tell exactly what component is defective - it only indicates where to look, or what engine parameter is out of normal range. You or a technician will have to perform further testing to pinpoint cause and the proper repair. Even if you reset the light, if the underlying problem is not addressed it will come back on.

Please let me know if this information is helpful. Positive feedback is appreciated. Thank You!

Apr 01, 2009 | 2003 Nissan Altima

3 Answers

2003 Nissan Altima 2.5S, Check Engine Light Problem.


this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.

Oct 22, 2008 | 2003 Nissan Altima

1 Answer

2003 nissan altima 2.5s transmission rough shift


Probably sensors! I have already replaced the crankshaft positioning sensor once, nissan replaced it once under recall and now it is bad again! Plus my speed sensor is bad too! Go to any part store and get diagnostic test ran, it will tell what sensors are bad.

Sep 25, 2008 | 2003 Nissan Altima

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