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06 altima with p2a00 code with ses light. replaced bank 1 sensor 1 02 sensor. light came back on. what could it be?

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Posted on Jan 02, 2017

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SOURCE: Code #P0171 & code #P0174

The most common problem on a Ford with these codes is deteriorated PCV hoses. Check the hoses from the PCV valve to the intake manifold. Pay special attention to the rubber elbows. They often crack on the inside curve and the crack is hard to see.

Posted on May 22, 2008

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SOURCE: Ford Windstar 1996 Trouble Codes P0171, P0141, P0161, and P0174

Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.

Posted on Jan 16, 2009

  • 101 Answers

SOURCE: P2195 Trouble code

In the exhaust manifold on the firewall side. Its not a o2 sensor. Its a AF sensor.(air fuel ratio sensor)
Covered under your 3/36k warranty.

Posted on Apr 19, 2009

pippall
  • 1486 Answers

SOURCE: crankshaft sensor

Replace the air flow meter.

Posted on Jul 19, 2009

  • 224 Answers

SOURCE: LOCATION OF 02 SENSOR BANK 1 SENSOR 2 IS IT LEFT

should be on left bank towards rear of engine. why would you want to change if you run a higher ontane fuel it normaly will clean it if you do not have a lot of miles on the engine

Posted on Aug 19, 2009

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1 Answer

Can an O2 oxygen sensor effect another sensor and give a false reading?


Check which side of your engine has cylinder #1. That side is bank 1. Bank 2 is the side opposite of bank 1. So bank 2 is not always passenger side. And since you seem to have extra O2 sensors, I would replace the other upstream and see what happens. Also the mass air sensor can give a trouble code issue to the upstream 02 sensors. Good luck. I've struggled thru this myself.

Mar 06, 2015 | Cars & Trucks

1 Answer

Codes po171 174


Here we go.... just pulled out our service ticket:

Soooo interesting, I had never looked at these before:

So on 1/10/2005 we took the Vue in, and they did the following:
date: 1/10/2005
"CUSTOMER STATES THE SES LIGHT IS ON"
CAUSE: UNKNOWN
TECH COMM: SES LIGHT IS ON. FOUND FUEL TRIM LEAN CODE P0171 & P0174. RETORQUE INTAKE VACUUM CHAMBER BOLTS AND INSTALL VACUUM CHAMBER SPRINGS PER BULLETIN02/06/01/016A

REPAIR 1: INLET AIR CONTROL VACUUM RESERVOIR - REPLACE


Then, evidently it came back on a week later:

date 1/17/2005:

LINE1: "CUSTOMER STATES THE SES LIGHT IS ON"
CAUSE: OPEN
TECH COMM: SES LIGHT IS ON.
FOUND CODE P0171 FUEL TRIM LEAN B1 CODE P0174
FOUDN MASS AIR FLOW SENSOR FAILED REPLACED MAF SENSOR


...

The problem NEVER came back..

There's my experience. Good luck!

Apr 19, 2014 | 2002 Saturn VUE

1 Answer

P2a00 code


you have a 02 sensor on the exhaust under the car that usually goes shortly after the other and viseser verser. Go to the auto parts and ask if your vehicle is OBD 2 compliant. if so buy an OBD 2 and plug it into your socket usually under the drivers side between you knees. then press read. it wil tell you what codes and the results and you also have the option to erase the codes and turn out your check engine soon light. Replacing a sensor will turn off the light but it can take weeks for the computer to reset itself that`s why the machanic uses the OBD 2 to check to see what sensors are tripped and reset them. Try the reset before buying another sensor. this should work.

Mar 26, 2014 | 2006 Buick Lucerne

1 Answer

I have a 2006 Buick Lucerne 4.6L V8 with 80.0K I am receiving a fault of P2A00 I have replaced the upstream 02 sensor with a Bosch where else should I look?


check all air intake pipe work espescially rocker cover breather for any splits or cracking.If the air going into cylinder isnt correct then you will get a fault reading with the exhaust sensors as air/fuel mixture wont be correct before ign in cylinder

Mar 26, 2014 | 2006 Buick Lucerne

1 Answer

2005 range rover


DTC P2A00: Oxygen Sensor Circuit Range/ Performance (Bank 1, Sensor 1)
Probable cause:
  1. Sensor or solenoid faulty
  2. Connector terminal contact damaged/corroded
  3. Wire harness fault. Check for correct voltage, open, short to ground or short to voltage
  4. Control unit software needs to be updated
  5. PCM or ECM faulty
  6. HO2S sensor contaminated/damaged

May 18, 2017 | 2005 Land Rover Range Rover

1 Answer

2006 nissan frontier ceck engine light on p2a00 circui range/performance bank 1 sensor 1


change your 02 sensor, bank 1 sensor 1 willl be a sensor screwed into a bung attached to the exaust before the catalyst. driver side

Nov 15, 2011 | 2006 Nissan Frontier

1 Answer

I have a 1997 Chevy Blazer with the 4.3 engine. The Service Engine light keeps coming on. I scanned the codes and replaced the O2 sensor just before the catalytic converter. The light is still coming on...


P0146 pd means pending code
Pending codes and DTCs? Posted on November 12, 2010 by fcrmaster
When reading codes from your vehicle the fault code reader may show them as pending codes or normal Diagnostic Trouble Codes (DTC).
Pending codes (also known as continuous monitor codes) will be registered when an intermittent fault occurs. If that fault does not happen again after x number of start/stop cycles, the ECU will erase the code from memory. If the fault is persistent it becomes a DTC.
If you have read pending codes it is advisable to check the codes again after a week or so. If there is no apparent problem with the vehicle it is safe to erase the codes too and check back. But always make a note of any fault codes with the date and mileage of a vehicle.
If the codes read include a DTC then you need to investigate further. This you can either do yourself or advise your garage. If, again, you don't see an apparent problem (depending n the severity of the code) with the vehicle you can note the codes down and erase them. Then check again after a week or a few days depending on how often the vehicle gets used. If a repair has been made (previous owner) the DTC may just not have been reset after the repair.
The other numbers behind the code 01/06 , 02/06, 03/06 , 05/06 ,04/06 These don't mean anything . cheap code reader .
DTC P0140 HO2S Circuit Insufficient Activity Sensor 2
DTC P0146 HO2S Circuit Insufficient Activity Bank 1 Sensor 3
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0174 Fuel Trim System Lean Bank 2
Sorry but this is something you should take to a qualified repair shop that has a diagnostic tool that can view sensor scan data.
Causes of lean condition trouble codes P0171 P0174 GM 5 3L

Jul 23, 2017 | 1999 Chevrolet Camaro

2 Answers

Check engine light on PO420 code ? recalls


Huge problems with these cars. The Pre-cat converter is built into the exhaust manifold. Expensive to replace. No Recall on this item. Some say that inferior compounds in the catalyst cause corrosion and early wear of the piston rings. I have seen one of these use 5 qts of oil in 300 miles. Is this car using excess oil?

Jan 16, 2010 | 2005 Nissan Altima

3 Answers

Receiving engine code p0420 on my 2005 altima 2.5 s


A p0420 code indicates a Catalytic System efficiency failure, Bank 1.
Basically, the computer is seeing reduced efficiency of the catalytic converter or one of it's components (such as an 02 sensor)

There may be a few root causes, such as a faulty oxygen sensor, faulty coolant temperature sensor, faulty converter, Large exhaust leak, or retarded (slow) timing.

Nov 30, 2009 | 2005 Nissan Altima

2 Answers

Check engine light


Sometimes can be prematurely dirty air filter, sets off the air flow sensor, which sets off the o2 sensor. So might try new air filter first and erase codes and then see, before you spend more bucks than you need; then if codes return, do the flow mix sensor.

Apr 19, 2009 | 2006 Honda Civic Hybrid

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