Question about 2004 Pontiac Vibe

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2004 pontiac vibe. both o2 sensors have been replaced and the code was cleared. engine lite came back on. its saying p0042 bank1. what else can it be.

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  • Expert
  • 194 Answers

Understand, unless you mistyped, the Generic OBD2 definition is Bank 1 sensor 3 heater fault.

Your car is a GMish Toyota Matrix. There is nor ever has been a sensor 3 on that engine! So, if its consistently that code, start with a new scantool. Ive had a few older update tools occaisionally give a wrong O2 code on toyo products if the software was between 2006 and 2010 data lists.
Try enhanced as well as generic and they must and should read the same.

If you are in fact getting that code, you have a software issue. If its a different code, you need to know what it is.

Posted on Jan 05, 2015

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  • Pontiac Master
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There is 2 system in O2 sensor one is the sensor itself
and the other one is the heater
the code you have means the heater is not working look for the fuse or find out why heater is not working
don't put any anti seize lubricant on O2 sensor no ground for heater
hope it help

Posted on Jan 05, 2015

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Posted on Jan 02, 2017

  • 112 Answers

SOURCE: 2002 Pontac Grand Prix GTP P0171 code engine stumbling at times

Bank 1 is the frt side exhaust manifold (did they say bank 1 sensor 1?),you can start by replacing that sensor,i would check the intake for leaks ,the gm 6cly. are known for bad intake gaskets,you will see oil coming out form the frt or rear of the intake,also check your atifreeze overflow bottle for bronwish sludge,which means that the oil is mixing with the antifreeze.A leaking intake could cause that lean condition.

Posted on Mar 29, 2009

dsacco86
  • 1077 Answers

SOURCE: Missing, stalling Pontiac Sunfire

The OBD II code for P0400 is Exhaust Gas Recirculation Flow Malfunction.
I'm sure the only thing you have left is you may have to replace the EGR valve or check for any leak from the vaccum lines going to to EGR valve.

Posted on Jun 01, 2009

Molson02536
  • 3854 Answers

SOURCE: my 2004 pontiac vibe check engine light just came

There are to many things that can cause the check engine light to come on. Best thing to do is to go to Auto Zone and get the Car ecm scanned for the DTC codes which would indicate the issues to why the check engine light is on. It could be as simple as a bad gas cap and needs to be replaced and if that is the case, make sure your get one from the dealer and not a generic gas cap. It could also be a bad O2 sensor and Auto Zone can give you the step by step instructions to replacing the old O2 sensor with a new on with common tools and they do have that part for sale. Good luck and keep me posted, be glad to answer any more questions you may have.

Posted on Aug 04, 2009

  • 28 Answers

SOURCE: Code P0141. O2 Sensor heater circuit fault (Bank1,

It is probably the sensor before the cat. if it has a heater. The heater circuit going bad is a common problem, it does not affect the way the car runs after it warms up, it is an emission device to heat the O2 sensor up quicker than the hot exhaust gas would. It should be replaced because it will keep your check engine light on and you would not be able to pass an emission test.

Posted on Oct 12, 2009

wracefans24
  • 1985 Answers

SOURCE: On extremely cold mornings my Vibe engine will

you need to have the Engine Coolant Temperature switch checked,since the computer relies solely on sensors,the ect tells the computer how cold or hot it is so the computer will make it a rich or lean mixture to start the engine,if it tells the computer that it is 75 degrees the computer will lean the mixture like starting a car in the winter without a choke.

Posted on Feb 07, 2010

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2 Answers

Code P0042 on 2004 envoy


Hi,
This Code can be related to a loose or bad fuel/gas cap. I'd confirm it's tight (a couple 'clicks') and not leaking - ensure you note air escaping when the cap is removed, which is normal.

TD

Jun 14, 2016 | 2004 GMC Envoy

1 Answer

Computer code P0042


In my database, that code doesn't compute for your vehicle? With the larger engine, my database says bank 1 and bank 2, sensor 1 and sensor 2. No sensor three. The code does talk about 02 heater circuit, so, I would have to check wiring circuits. Once the problem is fixed, the check engine lite should go out. The code will probably stay in memory for so many engine warm up cycles then it is gone.

My scanner will read and erase codes. You can check some obd2 code readers, see if they will read and erase codes? Some people will take the negative battery cable loose to erase codes. I have to say, I don't like to do that. If the problem isn't fixed, the lite will just come back on, again.

Jun 14, 2016 | 2004 GMC Envoy

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What does bank 1 below threshold mean?


420 code is usually a worn out converter.

Dec 20, 2015 | 2004 Audi A4

1 Answer

What does it mean when code P1133 comes up on your Grand Prix 2004 tes


Hi there:
DTC P1133 - Insufficient switching on Bank1 Sensor1 O2 sensor.


This is the O2 sensor located in the exhaust manifold. The vast majority of the time it is a faulty O2 sensor, but check O2 wiring harness for any chafing, as well as melting(resting on exhaust manifold):



8_21_2012_6_57_12_pm.png

To replace, disconnect the harness connector, and use O2 sensor socket to remove sensor. Once you change it, the code has to be cleared with a scanner. it wont reset itself. Most major parts stores will clear the codes for free. Make sure you get a direct fit O2 sensor. The universal ones that you have to splice into dont work right most of the time. They lose voltage in the wire splice and will reset the code.



Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Aug 21, 2012 | 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

04 Pontiac Vibe bad gas mileage without a code and then the p0420


that code is from having the plugs wires reversed as you did and the o2 senors regrsitered the overload on gas emmions once you remove the battery cables for about 5 minutes and then recconect and run the engine it should be okay

Jan 19, 2010 | 2004 Pontiac Vibe

1 Answer

My 2004 pontiac vibe check engine light just came on. car has 150,000 miles. what could be the cause?


There are to many things that can cause the check engine light to come on. Best thing to do is to go to Auto Zone and get the Car ecm scanned for the DTC codes which would indicate the issues to why the check engine light is on. It could be as simple as a bad gas cap and needs to be replaced and if that is the case, make sure your get one from the dealer and not a generic gas cap. It could also be a bad O2 sensor and Auto Zone can give you the step by step instructions to replacing the old O2 sensor with a new on with common tools and they do have that part for sale. Good luck and keep me posted, be glad to answer any more questions you may have.

Aug 04, 2009 | 2004 Pontiac Vibe

2 Answers

Pressure Control Solenoid "D" Electrical


You need to take it to a reputable repair facility. The pressure control solenoid needs to be checked for proper operation. If the solenoid is operating properly, the PCM (Powertrain Control Module[computer]) will need to be replaced. If you continue to drive the vehicle with this condition the transmission will eventually destroy itself.

Jan 28, 2009 | 2005 Pontiac Vibe

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