Question about 2004 Nissan Armada

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I change o2 sensor upstream clear dtc roadtest dtc stillreturn

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What is the DTC code?

Posted on Nov 09, 2012


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Posted on Jan 02, 2017

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SOURCE: 1997 Dodge Stratus V6 oxygen sensor location

Upstream, as in ahead of the converter, back toward engine. Start at converter and work your way back, should be on exhaust pipe or even on manifold.

Posted on Jan 11, 2009

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What are the probable causes of DTC P0136?

There are two sensors on that car, they are installed with a modification to the wiring unless you use OEM, Check your connections but it is most likely a bad upstream sensor. They both should be changed at the same time. They wear out and have a finite life.

Mar 07, 2016 | 2012 Toyota RAV4

1 Answer

'service engine soon' light is on. What are the probable causes of DTC P0135?

Do you have the 6-cyl or the 8-cylinder model? The P0135 code is for an upstream O2 sensor. The 6 cylinder has one up near the exhaust manifold and another (downstream) sensor just after the catalytic converter. The 8-cylinder has two upstream sensors, one on either side of the engine near the manifolds, and one by the catalyst. Be sure you located and replaced the correct upstream sensor. If that is not the problem, the issue could be the wiring harness going to the sensor. They run very close to the manifolds and often get damaged. Inspect the wiring leading back from the sensor to the PCM for melted and exposed wiring. IF you find some, you may be able to patch it, but often you must cut out the bad and replace the section with a new connector end. The sensor signal is relatively low voltage and doesn't handle damage wiring well.

Nov 26, 2015 | 2004 GMC Envoy

1 Answer

Does Changing a P1151 and P0175 on a ford Wind star solve the problems associated with it?

P1151 is indicating an problem with the upstream O2 Sensor on Bank 2. Bank 2 is the even cylinders side O2 sensor. The P0175 code indicates a rich condition in Bank 2 exhaust. This indication, if by itself, would indicate a faulty MAF Sensor or a vacuum leak, but since you already have the P1151, change the Bank 2 O2 sensor first and most likely both codes will clear.

Aug 05, 2014 | Cars & Trucks

2 Answers

2000 navigator system too lean

Too Lean on which Bank of the Motor?

To have a lean O2 Code --you could have a rich fuel
condition & the pcm drove the fuel trim lean

Next you could have a vacuum leak-in the intake or exhaust system

Third you could have a failed O2 Sensor

Front or Upstream Oxygen Sensors get replaced at 100,000 miles

The front sensors are on the exhaust pipe between the motor &
the converter.

Will need a long handled flex head O2 Sensor Wrench

Mar 17, 2014 | 2000 Lincoln LS

1 Answer

2004 Dodge Ram 1500 hemi 5.7L...... is there a fuse for the o2 sensors heater circuit? if so what is the fuse number?

9524ca9a-f3ac-4867-a7a6-2597219cf85e.jpgThere really isn't a fuse just for the O2 sensor heater circuit because all the information to and from come and go from the vehicle computer (PCM). Guessing the check engine light is on and your getting a diagnositic trouble code (DTC) saying you have an open circuit or something dealing with the O2 sensor heater circuit. In the picture above I have marked the main ground for both upstream and downstream oxygen sensors. I would start by cleaning that ground real well and making sure you have a good connection. Not exactly sure of your problem but like I said before about the open circuit DTC that's all I can think as far as helping you until I have more information. But there isn't a set fuse just for the oxygen sensor circuit....

Nov 12, 2013 | Cars & Trucks

1 Answer

1996 chevy beretta 3.1 DTC observed, code PO140 O2 sensor which one is this?

Upstream ---I assume

The one closest to the motor

If you have two before any converter ,change them both

Front O2 Sensors should be changed on all vehicles at
100,000 miles, then you don't have a failed one & no injector
control or proper fuel trim

Sep 21, 2013 | Cars & Trucks

1 Answer

2007 chrysler town & country has a rough idle but drives smooth what could it be

If it idles rough it runs rough,you just don't
notice it

You can start anywhere you want

If you haven't changed spark plugs in 3 years do that

Replace any front or upstream O2 Sensors over 100,000 miles

Check fuel pressure,tps sensor voltages,check for loose air
filter cover,vacuum leaks,loose O2 sensor,just go thru the
entire engine,it obviously needs work & I will bet it hasn't seen
much & you don't know what is done when you ask & pay
for work.
May sound harsh but many shops aren't there to resolve problems,
they throw on as many parts as the people on this site do at home,
from the questions is see here,dealers guess as well and don't road
test,kind of sad really

Nov 13, 2012 | 2005 Chrysler Town & Country

1 Answer

Where is my upstream O2 sensor on 2006 Monte Carlo?

It is the one that is before the catalytic converter

Nov 02, 2012 | 2006 Chevrolet Monte Carlo

1 Answer

2000 sk8 with trouble code 1647

The DTC code P1647 indicates that there is a issue with the O2 sensor bank 2 upstream. What caused the code could be a heater failure to the O2, Sensing circuit failure (Short circuit to ground, short circuit to hight voltage, or open circuit). Last would be ECM failure but that's rare. The Bank 2 is the radiator side, check the wire harness to the O2, The harness to both upstream and downstream O2 sensor are connected to a bracket in front and below the battery. Look for corrosion and follow the harness for any breaks that would cause a short in the system. Also check the fuse to the O2 sensor heaters, not sure which fuse it is but check all the fuses in the fuse box under the hood. If everything is ok then most likely the O2 sensor needs to be replaced. Good luck and hope this helps.

Jun 12, 2009 | 1999 Jaguar XK8

1 Answer

1997 blazer, 4.3 v6

whats the question? here?

May 31, 2008 | 1998 Chevrolet Blazer

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