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How to change o2 sensor chevy malibu - 1986 Chevrolet Chevy

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: trying to change O2 sensor on 1998 chevy lumina

This is a major prob!! Sometimes it is best to remove the pipe and take it to a shop and have a new thread piece welded in! I have seen where you do manage to turn it, but the threads get stripped anyway. This should be changed once a year for top performance and do not tighten the new one in with great force. OK Frankster016

Posted on Oct 23, 2008

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SOURCE: O2 sensor problem

I have a 97 gmc sierra .This truck is the same as the chevy ok.Its a 350 5.7 liter 4x4 Z71.I took it to auto zone which was my first mistake.They put it the scanner and said bad O2 sensor.Ok so which one is it i said.They dont know.Well there four (4) O2 sensors in this truck i hope you know that.I had to replace all four of them before i had to take it to a real shop.It seems the fuel pump i replaced a week earlier with an auto zone fuel pump was bad.Ive changed my feul pump 4 times now and have 235000 miles on still running.You need to get your fuel pressure checked.It should be 65 psi to start it and 55 psi to run it.If the pressures are good it could be a different O2 sensor or maybe the mass air flow senor.My last option would be the fuel pressure regulator because it seems to be a waste of time and money.I would get that fuel pressue checked first.Good luck.

Posted on Nov 25, 2008

dttech
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SOURCE: i have a 1998 chevy malibu what wire for the o2

On the front O2 Sensor, the signal wire s Purple. On the rear O2 Sensor, the signal wire is Purple and White. (You will probably have to look at the wire colors on the main harness side of the O2 Sensor connector, not on the sensor itself.)

Posted on Nov 19, 2009

  • 177 Answers

SOURCE: Where is the front o2

closest to the engine.rear exhaust manifold on v6.in the exhaust manifold 4 cyl.

Posted on Dec 02, 2010

ddywrbks
  • 799 Answers

SOURCE: diagram of the location of

Hi,
Downstream sensor is screwed into exhaust pipe after the catalytic converter on most models. Depending on your exhaust configuration, your code will say bank 1 or bank 2 or no bank designation. Some have converters coming off each cylinder bank (exhaust manifold off cylinder head) if only 1 converter in system (no bank) there will only be the one O2 sensor downstream.
Mike

Posted on Jun 20, 2011

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1 Answer

I have 2002 chevy impala changed the 02 sensor and it is still reading the same 02 sensor.


because its not the sensor.
its the plug for the sensor .the wires.or it
is the cataletic converter/exhaust system
i just replaced my exhaust on my 07 chevy malibu same o2 sensor issue p0420 or something like that ?!
replace the converter and youll be fine i still have my old sensors in there that gave me the code :)
there not saying there bad but that the cat is bad.

Mar 18, 2015 | 2002 Chevrolet Impala

1 Answer

My 1999 chevy malibu has p1404 & p1133 codes


P1133 HO2S Insufficient Switching Sensor 1
P1404 IAT - B Circuit Malfunction/ Exhaust Gas Recirculation Closed Position Performance
_____________
supervag k can

Dec 07, 2012 | 1999 Chevrolet Malibu

1 Answer

What does p0430 code mean in a chevy malibu?


it is the o2 sensor next to the catalytic converter which is the bank 2 sensor

Oct 30, 2012 | 2004 Chevrolet Malibu

1 Answer

Would an o2 sensor would cause a 1999 chevy malibu 2.4 liter engine to cut off when it gets warmed up?


no sounds more like fuel problem id start with checking the fuel injectors

Jul 14, 2011 | 1999 Chevrolet Malibu

1 Answer

Diagram of the location of a down stream o2 sensor on a 2005 chevy malibu.


Hi,
Downstream sensor is screwed into exhaust pipe after the catalytic converter on most models. Depending on your exhaust configuration, your code will say bank 1 or bank 2 or no bank designation. Some have converters coming off each cylinder bank (exhaust manifold off cylinder head) if only 1 converter in system (no bank) there will only be the one O2 sensor downstream.
Mike

Jun 20, 2011 | Chevrolet Malibu Cars & Trucks

1 Answer

Where is the front o2 sensors located on a 1998 chevy malibu?


closest to the engine.rear exhaust manifold on v6.in the exhaust manifold 4 cyl.

Dec 02, 2010 | 1998 Chevrolet Malibu

1 Answer

Im trying to pass the smoke check on my 2000 chevy malibu but it has this p0412 code and something with the o2 heater?


its the O2 Sensor, depending on what bank its on, depends what one needs changed.. bank 1 or A is the sensor on the exhaust closes to the engine, and if its bank 2, or B its the sensor on the exhaust closest to the catalatic converter.... or it could say upstream or downstream, the upstream is the one closest to the engine, the downsream is the one by converter. hope this helps

Dec 01, 2010 | 1999 Chevrolet Malibu

1 Answer

I have a 1998 chevy malibu what wire for the o2 sensor is the signal wire and theres four to choose from


On the front O2 Sensor, the signal wire s Purple. On the rear O2 Sensor, the signal wire is Purple and White. (You will probably have to look at the wire colors on the main harness side of the O2 Sensor connector, not on the sensor itself.)

Nov 19, 2009 | 1998 Chevrolet Malibu

1 Answer

I took my 1997 chevy malibu to get an emissions test. It failed because the evaporative system monitor was not ready. But a DTC code was found the code that was found was P0141 wich when i looked it up...


I would replace the sensor due to the fact that a P0141 is a malfunction in the heater circuit of the Bank 1 Sensor 2 O2 sensor. There is always a slight chance that there is a short in the wiring harness though. But I would look at the sensor and the harness and if the wiring seems to be in tact, then I would go ahead and replace the sensor.

Jun 29, 2009 | 1997 Chevrolet Malibu

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