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Can something else trigger a bad o2 sensor or will that make a 2004 Pontiac grand prix drive differently?

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If you have a trouble code for one of the two O2 sensors, either the sensor could be bad, or the wiring to the sensor could be broken or shorted. The O2 sensor is used for calculating the air to fuel ratio, so if it goes bad, the engine will not run right.

Posted on Apr 28, 2013

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Posted on Jan 02, 2017

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SOURCE: Upstream O2 sensor location?

That is the first sensor closest to the engine. The downstream sensor is the one behind the converter.
Good luck.
Please rate this response , and let me know if ya need more help!

Posted on Aug 31, 2008

emissionwiz
  • 76164 Answers

SOURCE: o2 sensor 2002 pontiac gran prix

It is in the exhaust pipe on the engine side of the catalytic converter, it is round, you may need a special socket to get it out.

Posted on Sep 02, 2008

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SOURCE: LOOKING FOR A FUSE BOX DIAGRAM FOR 2004 PONTIAC GRAND PRIX GT

It's under the hood, on the driver's side, under a square, black box with a lightning symbol on it. Loosen the flower-shaped screw that holds the lid of the box down, remove the lid, flip it upside down and when you look at the inside of the lid, you'll see a map of all your car's fuses. There's also a fuse diagram on the very end of the dash, but it's accessible only when you open the driver's side door. When you're driving, that end of the dash is blocked by the closed door.

Posted on Jul 01, 2009

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SOURCE: 1992 Pontiac Grand PrixPower loss,erratic idle

spark plug gaps are very critical on computerised cars!! [some wont even start!]
distributor module may be breeaking down as temp rises they fail!
otherwise do compression check as it may have valve problems
also check plug leads & injectors aswell as the fuel pump pressure [ could bestarving for fuel]

Posted on Jul 18, 2009

Molson02536
  • 3854 Answers

SOURCE: i have 2005 pontiac grand prix the code p0420

Inspect the O2 sensor after the Catalytic converter, make sure the lead wires are good and not damaged from corrosion and heat. If all wire leads seem to be good, replace the O2 sensor and try to stay away from after market sensors. They don't last long and as for your Catalytic Converter, you can check it by bang in on it to see if there are any rattles coming form the inside.
The good news about a bad Catalytic Converter is that Gm covers them under warranty for up to 8 years.
Thank you for using fixya and good luck

Posted on Jun 09, 2010

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1 Answer

Code P0332 emission fail how to fix


Would need more information if you're trying to diagnose a problem, but if its just replacement - Sensor 1 Bank 2 is the rear O2 sensor for an 04 Grand Prix - behind the catalytic converter and on top of the exhaust.

Apr 08, 2014 | 2004 Pontiac Grand Prix

1 Answer

Engine light on in my 2004 grand prix gt. says its heater circuit. what would cause this and how do i fix it?


If you mean the heater circuit for one of the O2 sensors, you would need to test the sensor and the circuit that provides power for the heater.
The O2 sensors have a heater to allow the sensor to start reading exhaust gas as soon as you start driving the car.

Apr 14, 2013 | 2004 Pontiac Grand Prix

1 Answer

Replaced o2 sensor cleared codes drive it a day then lite cimes on same code


Of coarse. Codes do not tell you what to replace

You have to find the cause of the O2 Code, usually a
vacuum leak.
Will you continue to replace things, without an understanding of the part
in question.
You never replace anything, until you test something, and it fails.

Nov 25, 2010 | 2004 Pontiac Grand Prix

1 Answer

How do I change the oxygen sensors in 1997 Pontiac Grand Prix(GT)?


I assume you asked, because you haven't looked for them, and never removed one before.
They are always in the exhaust pipe before the converter or most are in the converter.
A 22mm or 7/8" wrench may be what you need
Usually, you use a special O2 Sensor Socket,there are different ones.

Don't replace without testing first
OBD2 Codes--for O2 Sensors --doesn't mean it is bad,could be a vacuum leak.

Sep 30, 2010 | 1997 Pontiac Grand Prix

1 Answer

How to clean the throttle on 2004 pontiac grand prix


Take off the air cleaner housing. Throttle body is attached to the intake plennum. Spray down with throttle cleaner. DO NOT use silicone lubricants on the throttle as these are deadly on O2 sensors.

Jun 06, 2010 | 2004 Pontiac Grand Prix

1 Answer

The abs and traction light is on in my 2004 grand prix


Try checking the abs sensors, if you recently changed tires not the recommended size, this might also trigger this reaction

Apr 16, 2010 | 2004 Pontiac Grand Prix

3 Answers

Driving with a bad O2 sensor


its okay but u will get bad gas milage

Apr 04, 2010 | 2002 Pontiac Grand Prix

1 Answer

1998 pontiac grand prix gt service engine soon light just came on. Auto Zone did a test and came back with a code. It said ''Fuel Air Metering P1133''. Can you tell me what this is?


P1133 HO2S Insufficient Switching Sensor 1

THIS IS THE O2 SENSOR CLOSEST TO THE ENGINE AND BEFORE THE CONVERTER.

AN EXHAUST LEAK OR A BAD SENSOR COULD BE THE PROBLEM.

CHECK THE O2 SENSOR WIRING FOR DAMAGE, CORROSION, ETC.

Jul 10, 2009 | 1998 Pontiac Grand Prix

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