Question about 2004 Infiniti QX56

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On 2005 Infinity Q56 check engine light came out P1168 some a/f sensor bank 2 but which 1 is that i cant find no sites to exact senson that needs to b changed

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 196 Answers

SOURCE: need to know where sensor 1 (oxygen sensor) on bank 1 is located

It would be on the left header pipe as you sit in the truck. Its the sensor in front of the cat

Posted on Jan 17, 2009

  • 323 Answers

SOURCE: how to replace an oxygen sensor bank 1 and exhaust gas recirculation sensor

The EGR valve is attached to the intake manifold near the throttle body and the 1/1 O2 sensor is on the rear exhaust manifold.

Posted on May 02, 2009

daves944
  • 1050 Answers

SOURCE: Where is Bank 1 Sensor 1 on an 2003 Oldsmobile Sillohuette?

"Bank one" is the bank of cylinders that starts with the #1 cylinder. In this case this will be the bank of three cylinders that is closest to the firewall. Sensor #1 refers to the O2 sensor that is between the engine and the catalytic converter. So the Bank 1, sensor 1, will be the O2 sensor that is mounted in the rear exhaust manifold or tubing just before the cat.

Posted on May 16, 2009

crapiemael
  • 241 Answers

SOURCE: cant find bank 1 sensor 1 oxygen sensor on a 2001 toyota tundra

Drivers side is bank 1, sensor 1 is found by looking up from under the truck on the exhaust pipe just below the manifold.

Posted on Nov 18, 2009

  • 184 Answers

SOURCE: bank 2 sensor 2 2005 jeep grand cherokee replace

I seriously don't know where that sensor is located? Banks usually
reffer to the engine ignition coils on the engine, not drive or passenger side, anything. Sorry, I couldn't be of more help.
Good luck.

Posted on Mar 30, 2010

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1 Answer

What is code p0151 and p1153


both are o2 sensor problems and should be related to each other p0151 -o2 senson malfunction bank 2 sensor 1[ which would be the sensor on the no.2 cylinder side ---before the cat conveter --the p1153 o2 bank 2 sensor1 insuffent switching --its the same o2 sensor -check the wiring and connection if good- than replacement of the o2 sensor is dvised

May 01, 2013 | 1998 GMC Yukon

1 Answer

My infinty g35 has a code p1168


The code is for a problem with the O2 sensor bank two sensor one.
That is the sensor before the catalytic converter on the side with cylinder two.
Could be the sensor or a problem with the voltage source for the sensor heater.

Aug 23, 2012 | 2005 Infiniti G35

1 Answer

P1168


Problem with the O2 sensor bank 2.
You'll probably need a book and a scanner for this.

Jun 25, 2012 | 2004 Infiniti G35 Sport Coupe

1 Answer

The service engine light came on and the code a service station gave me was a P1168 code. Closed loop fault detected (Bank 2). I looked up some info online and found out it may be a oxygen sensor, which...


Closed loop is defined based off throttle position and the runs off of the O2 sensors on the exhaust manifolds.
The post-cat O2 sensors are strictly for emission purposes.
It sounds like you need to replace both of your O2 sensors UPSTREAM - on the headers/exhaust manifolds.
Resetting the ECU will not get rid of the problem and the CEL will return if the sensors do need to be replaced.

Jul 11, 2011 | Nissan Maxima Cars & Trucks

1 Answer

Check engine light came on found the code and a lean condition was found by the computer


either your bank 1 sensor 1 or 2 or bank 2 sensor 1 or 2 oxegen sensors need replaced


if this helps please give me a good rating

May 06, 2011 | 2005 Toyota Corolla

3 Answers

Whats the difference between up and downstream sensor on a chevy s10 1997, what exact sensors do i need for bank 1 and bank 2 sensor1


Well upstream from the Catalatic Converter means towards the engine and that would be the location for Sensor #1 on both sides of the engine. And Downstream would be away from the engine past the Catalatic Converter For Sensor #2 on both sides of the engine. Bank 1 or Bank 2 would indicate which side of the engine the trouble is on. ( Bank #1 is the side of the engine that contains #1 Cylinder. Please remember if you are going to change one 02 Sensor then you should change all of them and be sure to clear all codes after all repairs are finished. that will turn the check engine light off. Good Luck and have a good XMASS.

Dec 18, 2010 | 2002 Chevrolet S-10

1 Answer

1999 probe check engine light on need to know where bank 1 sensor 2 is and whats the name for it


Bank 1 Is generally the side of number 1 cylinder for v-6 and v-8 a four cyl is self explanitory,as far a sensor location,number 1 is before the cat.and number 2 is after the cat.since I dont know your exact engine I cant give you a diagram,so I hope this helps if not...leave me more info and I will get back to you have a good day Darrell

Jun 18, 2010 | 1999 Ford Taurus

2 Answers

My 2005 pathfinder service engine light just came on. i took it to autozone an the diagnostic codes they gave me were P1051 and P1168. I wanted to know what they were B4 i took it in to the dealer and they...


P0151 Front O2 Sensor, Bank 2 Lean Shift Monitoring,P1168 Closed Loop, Bank 2 i would do the o2 sensor on this side..and thats it unless you get something else

Feb 07, 2010 | 2005 Nissan Pathfinder

2 Answers

2005 gallant with O2 sensor engine light is one...how do I fix it?


have the engine light code scanned, and it'll tell you if it's bank 1 sensor 1, bank 1 sensor 2, bank 2 sensor 1, bank 2 sensor 4.

Bank 1 is on the same side as Cylinder 1
Bank 2 is on the opposite side of Cylinder 1

Sensor 1 is located before the catalytic converter.
Sensor 2 is located after the catalytic converter

Sep 11, 2009 | 2001 Mitsubishi Galant

1 Answer

Where is Bank 1 Sensor 1 on an 2003 Oldsmobile Sillohuette?


"Bank one" is the bank of cylinders that starts with the #1 cylinder. In this case this will be the bank of three cylinders that is closest to the firewall. Sensor #1 refers to the O2 sensor that is between the engine and the catalytic converter. So the Bank 1, sensor 1, will be the O2 sensor that is mounted in the rear exhaust manifold or tubing just before the cat.

May 16, 2009 | 2003 Oldsmobile Silhouette

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