Question about 2003 Mercury Mountaineer

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How many oxygen sensors in a v6 mercury mountaineer

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

warlock61
  • 659 Answers

SOURCE: Oxygen Sensors

ok Bank 1 is the rear bank and bank 2 is the front bank sensor 1 in each bank is the one closest to the manifold they have green connectors sensor 2 is the sensor after the cat converter and is a blue connector

Posted on Dec 02, 2008

STEVIE_N_24
  • 147 Answers

SOURCE: o2 sensors on a 99 mercury cougar v6

Should be 4. One in front of the catalytic converter and one after on both front and rear exhaust.

Posted on Mar 30, 2009

  • 43 Answers

SOURCE: need to replace my dpfe sensor on my 1999 mercury mountaineer. Where is it, i would like to change it myself

I believe the sensor that you are looking for is on the drivers side of the engine. If you have a 4.0 SOHC engine or a 5.0 engine the wiring will be the same. You will have a brown with a white tracer, a brown with a light green tracer, and a grey with a red tracer to the sensor. If you you have a 4.0 EI then you will have a Brown with a white tracer and 2 brown with a light green. If you follow the 2 tubes coming up from your exhaust manifold you should be able to locate your sensor it will have to tubes or hoses going to it from your exhaust manifold. Good luck.

Posted on Apr 18, 2009

ministock48
  • 258 Answers

SOURCE: Where is the fuel filter located at on a 2006 Mercury Mountaineer

it should be on the inside of the frame rail

Posted on Oct 19, 2009

  • 68 Answers

SOURCE: 97 Mercury cougar xr7 v6. po443, po430, po171, po174,

Sounds like you have low fuel supply or a leak in intake system causing lean codes, check fuek pressure and volume first. Cat converter effeciancy could be caused by the lean codes, purge system sounds like solenoid failure, check for high resistance accross purge vent solenoid.

Posted on Mar 08, 2010

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1 Answer

2003 mercury mountaineer keep blow fuse 41 and will not trune over


F1.41 15 PCM power diode, PCM power relay, Vapor management valve,
Heated oxygen sensors (HO2S), Electr. Vacuum Regulator (EVR)
solenoid valve, Evaporative emission (EVAP) canister vent valve
(9F945) one of these above mentioned components is shorted to ground causing that fuse to blow , Check the O2 sensor wiring to see if it is melted on exhaust pipe or manifold . Go youtube an check out how to find a short in an automotive electrical circuit !
These
Finding active short

Apr 28, 2016 | 2003 Mercury Mountaineer

1 Answer

Where is the orifice tube located on a 2006 Mercury Mountaineer


  1. 2006 MERCURY MOUNTAINEER A/C Orifice Tube

    www.rockauto.com/catalog/x,carcode,1432274,parttype,69362006 MERCURY MOUNTAINEER A/C Orifice Tube - RockAuto. ... 2006 MERCURY MOUNTAINEER 4.0L V6 : Heat & Air Conditioning : A/C Orifice Tube, Price ...

Jul 11, 2015 | Mercury Cars & Trucks

1 Answer

How to replace o2 sensor for 2002 mercury mountaineer


Unplug the oxygen sensor & remove by loosening
with a 22mm wrench or 7/8"

Bank #1 right side
Bank #2 left side

Do both front upsteam sensors together,not the
rear monitors

Rock Auto.Com --for sensors NTK or Bosch

Jun 02, 2012 | 2002 Mercury Mountaineer

1 Answer

Where are the oxygen sensor located on a 2003 mercury mountaineer v8?


ALL O2 Sensors are in the Exhaust Converters

Older vehicles in the pipe before it & on some foreign
veh in the exhaust manifold

I guess you haven't been under there to even look

Change the front 2 at 100,000 miles

May 19, 2011 | 2003 Mercury Mountaineer

1 Answer

My 2004 mercury mountanieer shakes when in park


Vacuum leak or bad oxygen sensors can cause rough idle.

Apr 15, 2011 | 2004 Mercury Mountaineer

3 Answers

Have a code on my Mercury Mountaineer 2003. 02 Oxygen sensor Bank 1 Sensor 1.Is that not the drivers side upstream sensor


Yes, that one is between exhaust maniflod and before the catilice converter, some where in between there, not after converter.

Jul 08, 2010 | 2003 Mercury Mountaineer

3 Answers

Engine light on mercury mountaineer code PO 174 PO 171 how do i fix it......


mass air flow sensor & the PVC assembly needs to be replaced

Jan 16, 2010 | 1998 Mercury Mountaineer

1 Answer

Hae a code bank 1 02sencer #2 i replace but still getting c


If you have replaced the oxygen sensors and code remains try having the code cleared by OBDII diagnostic reader if problem persists you may have problem with connection or signal wire

May 12, 2009 | 1998 Mercury Mountaineer

1 Answer

What side is cylider #2 on a 2002 mercury mountaineer


cylinder #2 is located on the passenger side of the engine, the O2 is in the exhaust pipe in front of the cat converter.

Dec 14, 2008 | 2002 Mercury Mountaineer

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