Question about 2004 Nissan Sentra

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Engine light on

I have a nissian sentra 2004 the engine light is on. the engine codes are P1274 & P0138 . Could you please help

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  • Jackson Hisey
    Jackson Hisey May 11, 2010

    which engine do you have and what is modified on the vehicle?

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5 Suggested Answers

  • 141 Answers

SOURCE: 2004 Sentra hard to start, engine code multiple cylinder failures

yes a fuel pump problem can and will cause both problems. not know the service history of this vech i will not say that there still might be other problems with your vech. but if you can get the pump replaced under warrenty i would do that first. and then procced. good luck kdc744

Posted on Jan 06, 2009

localwonder
  • 6784 Answers

SOURCE: MY CHECK ENGINE LIGHT CAME ON YESTERDAY BUT MY 2004 NISSAN SENTRA

hi, most of the time when these lights come on, its because of some sort of sensor failure. if you are not experiencing any noises or tapping in the engine compartment, this is only a failed sensor. you will have to get it diagnosed by the computer to know what specific sensor it may be. i suspect maybe a O2 sensor or egr valve. this is minor but, you Will need to get this repaired if possible.

Posted on Mar 15, 2009

emissionwiz
  • 70387 Answers

SOURCE: Code P1028 for a 2004 Nissan sentra

this code indicates the engine is running cold, below 160 degrees Fahrenheit, replace the thermostat and clear the code.

Posted on Apr 16, 2009

  • 155 Answers

SOURCE: I need to find the engine coolant sensor on the

Front of the cylinder head.... driver's side.

Posted on Jun 09, 2009

  • 1 Answer

SOURCE: 2003 nissian sentra car will only go 10 mph i

I had that exact problem on my 03 sentra gxe 1.8L , turned out to be the alternator had died and it was trying to use the battery. Are you having any electrical problems? Because when this was going on with me, the lights would barely work inside and outside the car - new alternator and battery and its been fine ever since

Posted on Mar 30, 2010

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1 Answer

What is the fix for p0138 on 2006 nissan sentra se


Po 136 ---is an oxygen sensor code for a sensor
on Bank #1 Sensor #2

Nothing to do with MAF

Also education & solutions can be for using Google

Put in------ OBD2 Codes PO138 nissan sentra

Mar 11, 2013 | Cars & Trucks

1 Answer

P0138(pd02) what does this code mean


P0138 O2 Sensor Circuit High Voltage
Code is for the second O2 sensor and is typically an indication that either the harness has become disconnected, or is wet; or the sensor itself has failed.

Jun 03, 2012 | 2006 Nissan Sentra

2 Answers

Hi there i have 1997 Avalon V6 . the check engine light up # 138 and 401 so can you tell me the name of that two please thnks


Trouble codes are normaly 4 digits with a "P" or "B" before it. I am gonna assume that you meant P0138 and P0401:
P0138 is Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 2)
P0401 is Exhaust Gas Recirculation Flow Insufficient Detected

A code P0138 may mean that one or more of the following has happened:
  • Faulty O2 sensor
  • Short to battery voltage in O2 sensor signal circuit
  • High fuel pressure (not as likely)
Possible Solutions Here are some potential solutions:
  • Replace O2 sensor
  • Repair short to battery voltage in o2 sensor signal circuit
for info on the P0401:
http://www.obd-codes.com/p0401

Jul 10, 2011 | 1997 Toyota Avalon

1 Answer

I have a 2006 Sentra with a 1.8.My car has 89K miles.The check engine light came on and I used a Innova code reader and it showed a pending P0138 code.I cleared it to see if it would come back.The light...


No you did not do any thing wrong P0 are generic codes P2 is the enhance code, by the way P0138 is bank 1 sensor 2 oxygen sensor circuit high, what causing this code its either internally disconnected or externally disconnected, remeber this is the oxygen sensor that monitor the catalytic convertor so this sensor is after the catalytic, make sure it is connected

Apr 21, 2011 | Nissan Sentra Cars & Trucks

1 Answer

Yellow engine light beside oil light is on after starting car up and stays on. what is this light? the car is a nissian wingroad 2002


this light alerts you to the fact that a fault has occured in the electrronic controls of the engine or the emission control system, when the light is turned on a fault code is stored in the memory of the control unit known as the PCM, have the system tested to find out what that code is and what system has failed, u may feel no difference in the way the car feels. Autozone and Kragen auto do this test for free.

Apr 30, 2010 | 2002 Nissan Sentra

3 Answers

2003 nissian sentra car will only go 10 mph i


I had that exact problem on my 03 sentra gxe 1.8L , turned out to be the alternator had died and it was trying to use the battery. Are you having any electrical problems? Because when this was going on with me, the lights would barely work inside and outside the car - new alternator and battery and its been fine ever since

Mar 21, 2010 | 2003 Nissan Sentra

1 Answer

Check engine light


I would say that your o2 sensors are faulty either the pre or the post . They must be intermitten so I would replace both

Mar 24, 2009 | 2004 Dodge Stratus

1 Answer

My check engine light is on and the default code is P0138


What kind of vehicle? I may have the book here.

Aug 01, 2008 | 2000 Dodge Durango

2 Answers

Engine light


go to autozone and have them pull codes for free and then tell me what the codes and description are

May 27, 2008 | 2004 Nissan Sentra

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