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Where is the oxygen sensor on a volvo s60 2.5t

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skychief2001
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SOURCE: Oxygen Sensor location

The oxygen sensors are on the exhaust pipes in front and behind the catalytic converter(s).
Bank two is the side with cylinder number 2, and sensor one is in front of the cat.

Posted on Dec 14, 2012

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I changed the fuel pump in line in the tank, change the relay switch crankshaft sensor on my 1989 Volvo 740 GL still will not stay started any more than a few minutes does what else could it be


Vacuum leak, oxygen sensor or possible bad air mass sensor. Disconnect the mass air flow sensor and it will go to a default but stay running. If not try disconnecting the oxygen sensor and see if it stays running.

Apr 08, 2015 | Volvo Cars & Trucks

1 Answer

What do I when my 98 volvo s70 2.4L engine has trouble codes po133 & po442?


Po133 is and oxygen sensor code. Replace the front oxygen sensor use a bosch or OE sensor only. P0442 is and evap system leak. Most common fault is a cracked hose at the evap cannister at the right rear of the car.

Mar 19, 2015 | 1998 Volvo S70

1 Answer

Oxygen Sensor location


The oxygen sensors are on the exhaust pipes in front and behind the catalytic converter(s).
Bank two is the side with cylinder number 2, and sensor one is in front of the cat.

Dec 13, 2012 | Volvo Cars & Trucks

2 Answers

I have code: 280a,front oxygen sensor code on my 1999 volvo s80 t6. can this mean that it is dirty or does it need to be replaced?


A code indicating an oxygen sensor fault usually means the oxygen sensor is bad. Cleaning the sensor will only make it worse, you can only replace it.

Aug 30, 2011 | 1999 Volvo S80

1 Answer

94 volvo 850 european model, oxygen sensor


with the little research i've done including looking up the part. which only lists one being before the catyilitic converter (uptream) and the fact that your car being 1994 with obd I emission controls (obd II reqiures two - 1 upstream and 1 downsteam), i'm making an educated guess that it only has one O2 sensor

Jun 10, 2010 | 1994 Volvo 850

1 Answer

Where exactly is the front O2 sensor on a 1999 S70?


For 1998 Volvo V70 2.4L MFI DOHC 5cyl the Oxygen Sensor is located under vehicle, center, below front seating area, mounted in top of exhaust pipe.

The oxygen sensor produces a voltage within 0 and 1 volt. When there is a large amount of oxygen present (lean mixture), the sensor produces a low voltage (less than 0.4v). When there is a lesser amount present (rich mixture) it produces a higher voltage (0.6-1.0v).The stoichiometric or correct fuel to air ratio will read between 0.4 and 0.6v. By monitoring the oxygen content and converting it to electrical voltage, the sensor acts as a rich-lean switch. The voltage is transmitted to the engine controller. The controller signals the power module to trigger the fuel injector.

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Hope this helped (remmeber comment and rated this).

Apr 06, 2010 | 1998 Volvo V70

1 Answer

I have had oxy sensors replaced but the engine light keeps coming on. I take it in, they turn off the light two weeks later its back on.


If the fault code relates to the oxygen sensors, make sure that they used Volvo factory sensors. The aftermarket sensors (even Bosch) have not worked well in the S80s. Also, make sure the catalytic converter is not causing the problem (the rear oxygen sensor monitors the cat).

Mar 22, 2010 | 2000 Volvo S80

2 Answers

Need insructions on how to replace 02 sensors on a 2004 Volvo S40.


1st lets look at the explanatioon of this code, it is not always the sensor at fault, the sensor can just be a symptom of another problem.

Causes A code P0133 may mean that one or more of the following has happened:
  • The oxygen sensor is faulty
  • The wiring to the sensor is broken / frayed
  • There is an exhaust leak
Possible Solutions The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions:
  • Check and fix any exhaust leaks
  • Check for wiring problems (shorted, frayed wires)
  • Check the frequency and amplitude of the oxygen sensor (advanced)
  • Check for a deteriorating / contaminated oxygen sensor, replace if necessary
  • Check for inlet air leaks
  • Check the MAF sensor for proper operation

Oct 02, 2009 | 2004 Volvo S40

1 Answer

Volvo S60 Hesitation


Had a similar problem recently where I would press the accelerator almost to the floor before I got a response and when I ran the A/C it was worse. Also my car kept stalling out when at idle. Volvo dealerships are extremely expensive. I took mine to a Bosch service center (more of a mom & pop shop) and the price was more reasonable. The drivability (sp?) problem was the rear oxygen sensor for me. I also had a fuel pressure sensor and MAP (labeled as pressure sensor from Volvo) sensor replaced. The parts are expensive, but it fixed my issue. There is a front and rear oxygen sensor so it could be either. The parts are $219 each. The fuel pressure and MAP sensor are cheaper, but only by about $40. They are not hard to replace though. Once I had the rear oxygen sensor replaced the car was back to normal. I have a 2003 S60 with 97K miles.

Jan 22, 2009 | 2005 Volvo S60

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