Question about 2002 Pontiac Montana

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How to change the oxygen sensor on a Pontiac Montana

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What engine and which sensor? there are four

Posted on Sep 09, 2009

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Posted on Jan 02, 2017

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Are 04 Pontiac Montana o2 sensors interchangeable


According to the RockAuto.com listing, they have different part numbers, so I would guess that they are not interchangeable.
2004 PONTIAC MONTANA 3 4L V6 Oxygen O2 Sensor RockAuto

Dec 10, 2017 | Pontiac Cars & Trucks

1 Answer

Where is the location of 02 sensor for bank 1 sensor 1 on a 2001 Pontiac Montana?


Bank 1 sensor 1 means the first oxygen sensor closest to the motor. The location is probably in the exhaust manifold, if not then follow the pipe from there and it's the first one you find. Hope this helps

Jul 19, 2014 | 2001 Pontiac Montana

1 Answer

Car shakes when accelrating


Change spark plugs

Clean MAF Sensor

Replace front oxygen sensors if over 100,000 miles


Change gas & air filter every 3years

Oct 03, 2012 | 2000 Pontiac Montana

1 Answer

I have an 02 montana. No check engine light is on but it failed inspection with a code po135. what is the code and what are my solutions?


It's an oxygen sensor issue. Most cars these days have 2 oxygen sensors. 1 "upstream" of converter and 1 downstream. They compare exhaust before and after the converter. When their measurements equal each other, means converter is not functioning (exhaust is same in & out) and not always triggering dash lights. Either you have a bad sensor or your converter is and, is why you didn't pass inspection.

Mar 10, 2011 | 2000 Pontiac Montana

1 Answer

2002 Pontiac Montana stalls in stop-and-go traffic especially on a down hill grade. Have changed gas filter. Diagnostic didn't find anything unusual.


First off, when was last healthy tune up? Plugs, plug wires, ALL filters and a good fuel system cleaning? I'd start there, then have parts store like Autozone, Advance etc.. do an OBII fault scan. I'm suspecting of tune up doesn't help maybe an oxygen sensor or a MAF (Mass Air Flow meter) are strong possibilities. But tune it first, and get scan done before just throwing parts at it.

Feb 25, 2011 | 2002 Pontiac Montana

1 Answer

Were is the heater sensor upstream located on 2001 montana van


The heater sensor I think you are talking about it is the upstream oxygen sensor. Sometimes the code reader just says heater sensor upstream and doesn't tell you its actually the heated oxygen sensor.

Jan 04, 2011 | 2001 Pontiac Montana

2 Answers

2001 Pontiac Montana trouble code P1133 ???


P1133 .......Oxygen sensor bank 1 sensor 1.

Aug 27, 2009 | 2001 Pontiac Montana

1 Answer

A lot of oil leaking


You must be looking at a different sensor as the oxygen sensor is mounted in the exhaust system and wouldn't be exposed to the oil in the engine. The oil pressure sensor is likely what you see, it is not uncommon at all for these to fail internally and leak oil to the outside of the engine. Sometimes you need a special socket to change them. Both the sensor and the socket should be available at any auto parts store.

Apr 15, 2009 | 1999 Pontiac Montana

1 Answer

Oxygen sensor for 2001 pontiac montana


it is screwed into the exhaust pipe/ header and has a wire running into it. its not really next to anything.

Apr 08, 2009 | 2001 Pontiac Montana

1 Answer

NEED TO KNOW WHERE THE OXYGEN SENSORS ARE LOCATED IN MY 2001 PONTIAC MONTANA?


hi im wes
all o2 sensors are in the exaust you have one before the cat converter and one after
thanks
ps please rate me

Mar 30, 2009 | 2001 Pontiac Montana

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