Question about Nissan Altima

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2005 nissan altima 2.5s has a code 0420

Car's service engine soon comes on. the light goes off when I put fuel additives in fuel

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  • Nissan Master
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Your catalyst convertor is bad.

Posted on Jan 16, 2013

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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

Why did my 2005 nissan altima car did not start until I put about 9 gallons of gas in it, the gauge was already showing a half of tank, what was wrong?


Nissan has a problemwith the fuel sender in the tank. You should have a service engine light on and there will be a code telling you the fuel tank has more fuel in it then it can hold.

Aug 15, 2014 | 2005 Nissan Altima

1 Answer

My 2005 Nissan Altima 3.5 is idling at 800 rpm's, and my service engine soon light came on. The code read for a Chrysler? P1283, and Fuel pump module detected an incorrect low idle, low idle select...


Make sure you are looking up the code properly. 1283 for Nissan indicates a lean condition on bank 2. See link below. A vacuum leak is likely, but make sure the new sensor is recalibrated. Did you perform the relearn procedure after replacing the sensor? If not, see the second link below. If you ran the relearn procedure and cleared all codes but 1283 comes back, look for a loose vacuum line or leaky intake manifold gaskets. P1283 Nissan Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2 1998 2012 Nissan Altima Clear Mixture Ratio Self Learning Control Data

Jun 21, 2017 | Cars & Trucks

1 Answer

My 2005 nissan altima 3.5 is idling at 800 rpm's, and my service engine soon light came on. The code read for a Chrysler? P1283, and Fuel pump module detected an incorrect low idle, low idle select...


What does a Chrysler product have to do with this fault code, please explain. The meaning of the code is that bank 1 O2 sensor is defective.

Jun 21, 2017 | 2005 Nissan Altima 3.5

3 Answers

I have a 2005 Nissan Altima 2.5 S 4 cylinder - went to get gas (just a bit, did not fill up) on Christmas and soon afterward the 'service engine soon' light came on. Called the Nissan dealer


When last did you service the vehicle ?
did they use the proper fuel ?

Chances are the service time is near where you will need to do a basic service, Plug , plug wires, filters etc. And reset the counter.
the fuel ting is just a coincidence.

Dec 27, 2012 | 2005 Nissan Altima

1 Answer

I have a 2001 Nissan Altima & my Service Engine Soon lite comes on. When checked these are the error code's; P1441 & P400. So far I put in a new EGR but still the lite goes back on. Please help...


On the nissan is there a swirl chamber code that comes on also, If it does then its truly a EGR code, but if the code is 1441 and 400 then its not the EGR, 400 is the EGR system not the EGR you r fix and solution is to solve P1441 the 400 is for function only. the failure is 1441 here is the definition Fuel filler cap, replace your gas cap and if its the type that click as you close the cap make sure it does Leave the EGR alone

Jun 13, 2011 | Nissan Altima Cars & Trucks

1 Answer

2005 Nissan Altima 2.5 engine. Service engine soon light came on. Car has jerked once on me driving down the highway. Got the codes and they are PO725 and PO335.


you need to replace crank position sesor.about 50.00 and an hours labor(pain in the *** wait till you see where they put this thing!)very common falure on these....should have come with a replacement in the glove box when they sold them new!

Mar 08, 2011 | 2005 Nissan Altima

1 Answer

What causes the P1278 code in a 2005 Nissan Altima? I replaced the catalytic converter, up and downstream O2 sensors, cleared the code, and the 'Service Engine Soon' light still comes on.


CODE P1278- HEATED OXYGEN SENSOR 1 SLOW RESPONSE.POSSIBLE CAUSE EXHAUST LEAK AT EXHAUST MANIFOLD OR PIPES.FAULTY PRESSURE REGULATOR LEAKING OR FUEL INJECTORS LEAKING.AND FAULTY TPS SENSOR

Jan 23, 2011 | Nissan Altima Cars & Trucks

1 Answer

Fuel pump 2005 nissan altima


Take it back to where you had it serviced. They probably simply missed connecting the fuel level sensor. The engine light is probably from a missed emissions hose that goes to the gas tank.

Jun 27, 2009 | 2005 Nissan Altima

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