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P1273 code sensor

The light service engine soon came 2 days ago. I took it to auto zone and the get this code: P1273, air fuel sensor and heater bank 1, what does mean and that is costly?

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Posted on Jan 02, 2017

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SOURCE: 2004 nissan sentra problem

HI
the (P1273) refer to A\F SENSOR
that locate in the exhaust pipe
it was a sensor calculate the air to fuel ratio in the exhaust pipe and send that as electrical signal to the (ECU) that use it to correct the fuel injection timing in result to have economy of fuel and low bad gases in exhaust
the cause of this fault is :-
air fuel ratio sensor 1
air fuel ratio sensor 1 heater
fuel presser
fuel injectors
intake air leaks

ask for more
WITH MY BEST WISHES


Posted on Jul 14, 2008

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  • 62 Answers

SOURCE: My service engine soon light came on this past

Oxygen Sensor-Rear
226A1-AR210
1, if needed
A/F Sensor
22693-8U300
1, if needed replace that and all will be ok

Posted on May 24, 2010

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1 Answer

My 05 Altima 3.5L popped up ABS, O2sensor, P1800 &P1273 frm the Auto Scan what do these mean & how to fix them?


P1800 is the VIAS system. Most likely the intake runner control vacuum actuator is defective. Where did you get the ABS info?
P1273 NISSAN - Air Fuel Ratio Sensor 1 Bank 1 Lean Shift Monitoring.
Possible causes - Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
-Intake manifold or vacuum hose leaking (check this first)
- Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
- Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
- Fuel pressure
- Faulty Fuel injector
- Faulty Air Flow Meter
If all seems ok then replace the cylinder bank number one O2 sensor and the bank two sensor, replacing only one sensor can lead to another check engine light. These are the sensors before the catalytic converter.

Nov 11, 2016 | Cars & Trucks

1 Answer

Code p1273 on a 2005 Nissan altima


Robert, Code P1273 Air Fuel Ratio, Sensor 1 Lean, Shift Monitoring Bank 1
See links below for trouble shooting and fix.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

P1273 Nissan Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 1

The dreaded P1273 Code 2005 2 5S

p1273 Nissanhelp com Forums

https://ca.answers.yahoo.com/question/index?qid=20140225092422AAZkNxF

Mar 04, 2016 | Nissan Cars & Trucks

1 Answer

P1273 Manufacture contr fuel air metering 2004 nissan sentera


P1273 Nissan P1273 Nissan - Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 1 Possible causes
- Faulty Air fuel ratio (A/F) sensor 1 Bank 1
- Faulty Air fuel ratio (A/F) sensor 1 heater Bank 1
- Fuel pressure
- Faulty Fuel injector
- Intake air leaks
- Faulty Air Flow Meter
Most probable is you have a bad heater in your upper bank 1 O2 sensor. Replace all of your O2 sensors.

Read more: http://engine-codes.com/p1273_nissan.html#ixzz3lgP7CTD8
Read more: http://engine-codes.com/p1273_nissan.html#ixzz3lgOwiMU8

Aug 27, 2015 | 2004 Nissan Sentra 1.8

2 Answers

Recently had the exhaust system replaced and the P1273 OBD code now appears.What is the resolution?


P1273 Code Nissan Xterra Air fuel sensor Lean shift. Live ...

? 1:24
www.youtube.com/watch?v=rbgCdagdeEE
May 4, 2013 - Uploaded by momoy02
2005 Nissan Xterra MIL ON P1273 air fuel sensor LEAN SHIFT.... what is the meaning of the Data and how to ...

Aug 08, 2015 | 2004 Nissan Sentra 1.8

1 Answer

What is p1273 for a 06 toyota sienna ?


A simple google search for this = This can be for bad fuel pump, regulator, O2 sensor, ect. Once you have made repairs, use the following procedure to allow ECU to relearn fuel curve.

1. Unplug MAF sensor
2. Start car for about 3 seconds. Turn off car. confirm P0102 code
3. re-connect MAF sensor. Clear code. START car.
4. Run car for 10 mins.
... no more P1273. (This should work for P1274 - Rich condition)
fuel mix code.

Feb 12, 2015 | 2006 Toyota Sienna

1 Answer

Nissan xterra


p0456 was likely the gas cap, evaporative emission alert.

p1273
Either the exhaust is leaking or management needs reset.

'Clear the Self Learning Data' procedure. Anytime fuel component is replace, this procedure needs to be done. (exhaust emissions as well)

1. Unplug MAF sensor
2. Start car for about 3 seconds. Turn off car. confirm P0102 code
3. re-connect MAF sensor. Clear code. START car.
4. Run car for 10 mins.

Apr 01, 2014 | 2005 Nissan Xterra

1 Answer

I have 2005 nissan altima code p1273 i need fixet


Trouble Code: P1273

Air Fuel Sensor (Bank 1 Sensor 1) Circuit Lean Shift

Possible Causes:


Air Fuel Sensor (AFS) is damaged or has failedAir Fuel Sensor (AFS) heater is damaged or has failedIntake air leaks somewhere in the engine or intake areaFuel system problem (low fuel pressure, restricted injectors)

Jan 27, 2013 | 2005 Nissan Altima

1 Answer

2004 nissan sentra problem


HI
the (P1273) refer to A\F SENSOR
that locate in the exhaust pipe
it was a sensor calculate the air to fuel ratio in the exhaust pipe and send that as electrical signal to the (ECU) that use it to correct the fuel injection timing in result to have economy of fuel and low bad gases in exhaust
the cause of this fault is :-
air fuel ratio sensor 1
air fuel ratio sensor 1 heater
fuel presser
fuel injectors
intake air leaks

ask for more
WITH MY BEST WISHES


Jun 17, 2008 | 2004 Nissan Sentra

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