Question about 2004 Pontiac Grand Am

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I changed the oxygen sensor in my 2004 grand am, where is the fuse to reset it? thanks

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You can disconnect the battery for about 30 minutes instead of the fuse. This will reset the ECU and will make it re-learn everything.

Posted on Mar 24, 2011

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How do i repair oxygen sensor 2004 kluger grande


you don't
replace it with a new unit
there will be 2 units
the one in the exhaust manifold or before the cat converter will be a heated oxygen sensor (HO2S) and that will be different to the oxygen sensor (O2 sensor) which is after the cat converter
check to make sure your are replacing the faulty unit

Jul 29, 2016 | Cars & Trucks

2 Answers

2004 honda accord v6: check light comes and then goes off. Mechanic did hand held computer scan. code reads p2240 and he says oxygen sensor needs cleaning. Please advise, Harry.


hi.
that code means there is a fault at the bank 2 oxygen sensor.
as you stand at the frond of the car and look into the engine bay, the sensor is fitted to the middle of the exhaust manifold nearest to you. disconnect the wires on the plug, and i think it is a 22mm spanner or deep socket to remove it.
there are various proprietary oxygen sensor cleaners on the market, but there is no certainty that this will work. there could be an actual fault with the sensor, or it may be too dirty to clean.

if finances permit, i would recommending changing the sensor as a matter of course.

the ecu fault reading can be reset by removing the battery -ve lead for 30 minutes.
make sure you have the radio code before doing this as you will need to reset this as well.

if you only clean the sensor and the fault reading comes back, then you will have to change the sensor and reset the ecu again.

hope this helps.

Apr 03, 2011 | 2004 Honda Accord

2 Answers

Oxygen sensor code will not reset. replace oxygen sensor already


A couple of suggestions for you.

Go to autopart store that has a scan tool and ask if they can clear the code you. There is one in front of the cat. convertor and one in the rear be sure that you repalce the right one.

Feb 18, 2011 | 2004 Jeep Grand Cherokee

3 Answers

Where are the o2 sensors located on a 2004 jeep grand cherokee and what are they called?


Grand Cherokee oxygen sensor locations for 4.0 and 4.7 engines...

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An O2 sensor is a galvanic battery that provides the PCM with a voltage signal (0-1 volt) inversely proportional to the amount of oxygen in the exhaust. In other words, if the oxygen content is low, the voltage output is high; if the oxygen content is high the output voltage is low. The PCM uses this information to adjust injector pulse-width to achieve the 14.7-to-1 air/fuel ratio necessary for proper engine operation and to control emissions.

The O2 sensor must have a source of oxygen from outside of the exhaust stream for comparison. Current O2 sensors receive their fresh oxygen (outside air) supply through the O2 sensor case housing.

Four wires (circuits) are used on each O2 sensor:
* 12-volt feed circuit for the sensor heating element
* Ground circuit for the heater element
* Low-noise sensor return circuit to the PCM
* Input circuit from the sensor back to the PCM to detect sensor operation


Hope helps (remember to rate and commene this)..

Feb 04, 2011 | 2004 Jeep Grand Cherokee

1 Answer

Oyxgon no.1 sensor replaced 2 time With code P0031


could be a fuse for the heater,check all fuses because some fuses feed other fuses and are not labeled as such

May 29, 2010 | 2004 Jeep Grand Cherokee

1 Answer

Where Are The sensor Banks On The 2004 GC


Grand Cherokee oxygen sensor locations for 4.0 and 4.7 engines

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Four wires (circuits) are used on each O2 sensor:

  • 12–volt feed circuit for the sensor heating element
  • Ground circuit for the heater element
  • Low-noise sensor return circuit to the PCM
  • Input circuit from the sensor back to the PCM to detect sensor operation

O2S Sensor removal Never apply any type of grease to the oxygen sensor electrical connector, or attempt any soldering of the sensor wiring harness.
WARNING: THE EXHAUST MANIFOLD, EXHAUST PIPES AND CATALYTIC CONVERTER(S) BECOME VERY HOT DURING ENGINE OPERATION. ALLOW ENGINE TO COOL BEFORE REMOVING OXYGEN SENSOR.
1. Raise and support vehicle.
2. Disconnect O2S pigtail harness from main wiring harness.
3. If equipped, disconnect sensor wire harness mounting clips from engine or body.
CAUTION: When disconnecting sensor electrical connector, do not pull directly on wire going into sensor.
4. Remove O2S sensor with an oxygen sensor removal and installation tool.

02S Sensor installation
Threads of new oxygen sensors are factory coated with anti-seize compound to aid in removal. DO NOT add any additional anti-seize compound to threads of a new oxygen sensor.
1. Install O2S sensor. Tighten to 22 ft. lbs. (30 N·m) torque.
2. Connect O2S sensor wire connector to main wiring harness.
3. If equipped, connect sensor wire harness mounting clips to engine or body. When Equipped: The O2S pigtail harness must be clipped and/or bolted back to their original positions on engine or body to prevent mechanical damage to wiring.


Hope thats help (remember comment and rated this).

Apr 29, 2010 | 2004 Jeep Grand Cherokee

1 Answer

My jeep grand cherokee check engine light is on and I've had the oxygen sensors already replaced


Remove the battery connectors for 5 minutes and replace back afterward.

This will do the trick.

Rate this and make a testimonial.

Thanks.

Sep 29, 2009 | 2004 Jeep Grand Cherokee

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