Question about 2002 Pontiac Sunfire

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Want to know how to replace O2 senser on an 2002 pontiac sunfire

For some strange reason one of my O2 senser's keeps burning out or what ever you call it. i've had it replaced twice each time by a different dealer. i just want to know how to replace them both and where to find them in my car.

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  • cdlh89 Jan 10, 2009

    ok thanks i'll do that.



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Do what he says on the earlier post but remember you have to use special silicone when installing o2 sensors, regular rtv can ruin a good brand new o2 sensor

Posted on Apr 23, 2009

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One located on exhaust pipe just below manifold can see it from above motor take a 22mm wrench to remove must be hot when taking out or you could strip the threads in pipe other is located under car on exhaust pipe just after converter same size wrench.

Posted on Jan 09, 2009


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Code p1137 2002 pontiac sunfire

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Jun 03, 2014 | 2002 Pontiac Sunfire

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Code 171 means the O2 sensor data showed the fuel mixture was too lean when the engine was running. The code will not keep the engine from starting.
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Apr 29, 2013 | 2002 Pontiac Sunfire

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2000 Pontiac sunfire 2.2 got code 1137. How do I fix. Car won't start. I changed o2 sensor.

The 1137 OBD2 code is typically an o2 sensor problem as you have indicated, first I would make sure your replacing the correct o2 sensor as there are two (upstream and downstream), although it is possible that a bad o2 sensor could keep your engines fuel injection system from delivering the fuel to your engine, in my experience having a bad sensor typically results in a check engine light and running with a less than optimum fuel air mixture, it does not typically keep your vehicle from starting. If your still getting the 1137 error code after replace the o2 sensor and checking its connecting wires I would start looking for a bigger issue.

May 16, 2012 | 2000 Pontiac Sunfire

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What cause my mitsubishi lancer 2002 to burn alot of gas

more then normal,you have air intake before air intake,car is sucking air not to design.chk .if you keep on driving,converter will chk o2 senser #2.

Feb 20, 2012 | 2002 Mitsubishi Lancer

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Do the 2002 pntiac grand am have two oxygen sensers? car has no power. though it was transmission? was told that in could be the catyliatic converter.

bad O2 sensor(s) won't cause significant loss of power. restriction with gas flow (filter, pump) or exhaust (catalytic converter) most definitely can.

Sep 10, 2010 | 2002 Pontiac Grand Am

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Is there a special tool required to remove the oil pressuer switc

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Jun 04, 2009 | 2002 Pontiac Sunfire

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How to replace a tcc selonide on a 2002 sunfire

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2 Answers

2002 Pontiac Sunfire

Bonnie, this is the traction control light, there is many reasons why this could be on. The easiest way to turn it off is to pull the emergency brake, this would usually disengage the traction control. This is not, however, a fix to your problem as to why it is on.

Jan 14, 2009 | 2002 Pontiac Sunfire

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