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I have a 1996 Grand Am SE. I was told it suppose to have two oxygen Sensors on it I see one. Before the Catalytic Converter

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How many o2 sensors are on a 1999 Silverado 5.3


The 1999 5.3 V8 engine had 4 oxygen sensors. There are two catalytic converters on this engine, one on the driver side of the engine, and one on the passenger side of the engine. This is important to know, as the number of oxygen sensors is directly related to the number of catalytic converters on the vehicle. Driver side is referred to as Bank 1, passenger side is referred to as Bank 2. This is very important to know when looking up replacement oxygen sensors. There is one oxygen sensor in front of, or before the catalytic converter, usually referred to as a pre-catalyst O2 sensor. There is also one behind, or after the catalytic converter, usually referred to as a post-catalyst oxygen sensor. So, you have two oxygen sensors on Bank 1, and two oxygen sensors on Bank 2, for a grand total of 4 oxygen sensors.

Oct 03, 2013 | 1999 BMW 318 ti

1 Answer

Diagrams of oxigen sensor


your oxygen sensors locations.one oxygen sensor located in the exhaust pipe before catalytic converter.the other oxygen sensor located in the exhaust pipe after the catalytic converter.

Jun 12, 2013 | 1996 Chevrolet K1500

1 Answer

How many oxygen sensors are there on a 1996 ford explorer 8 cyl., 4.0 eng.


The answer depends on the type of exhaust system you have. You will have either 3 or 4 total O2 sensors on your V8. If you have single exhaust with a single catalytic converter then you will have 3 O2 sensors (2 upstream sensors & one downstream sensor - "up or down stream" meaning before of after the catalytic converter). If you have either dual exhaust and/or two catalytic converters then you have 4 O2 sensors (2 upstream & 2 downstream). If you have an MIL light (malfunction indicator light, or "check engine light") the code will indicate "front bank / bank one", which is one of the 2 upstream O2's before the catalytic converter(s), or "rear bank / bank two", which is one of the O2's after the catalytic converter(s).

Apr 22, 2012 | 1996 Ford Explorer

1 Answer

Need to know where O2 sensor is located on a 2005 Dodge Grand Caravan.


There are two oxygen sensors: one is upstream of the catalytic converter and one downstream of the catalytic converter. The oxygen sensor, or O2 sensor is usually located near the catalytic converter.Oxygen sensor downstream of the catalytic converter in the exhaust system on the back of the engine. ------- Thanks.Helpmech

Nov 15, 2010 | 2005 Dodge Grand Caravan

2 Answers

How many O2 sensors are on the '01 Grand Am SE V6


YOU HAVE 2 OXYGEN SENSORS.1 ABOVE THE EXHAUST MANIFOLD WHICH IS THE CRITICAL ONE AND YOU 1 OXYGEN SENSOR AFTER THE CATALYTIC CONVERTER.

Apr 30, 2010 | 2001 Pontiac Grand Am SE

1 Answer

How many heated oxygen sensors are on a 2001 pontiac grand am SE 4 cylinder and where are they located? how can i find out which one needs to be changed?


Hi:
You have 2 oxygen sensors, and they are mounted in the exhaust, one before and one after the catalytic converter. I am pretty sure the upstream one is threaded into the exhaust manifold, and is easy to find.

Mar 16, 2010 | Pontiac Grand Am Cars & Trucks

2 Answers

P2097 Error code in 2006 Dodge Grand Caravan, which O2 Sensor?


actually there are 4 sensors. one on each exhaust manifold and then as you said one prior and aft the catalytic convertor. this is saying it is reading too rich a reading. check the condition of your spark plugs. you need to pin point the reason. chances are it is not the o2 sensor. happy holidays

Dec 28, 2009 | 2006 Dodge Grand Caravan

1 Answer

Po420" Problems 1996 plymouth van


A code P0420 may mean that one or more of the following has happened:
  • Leaded fuel was used where unleaded was called for
  • An oxygen sensor is not reading (functioning) properly
  • The engine coolant temperature sensor is not working properly
  • Damaged or leaking exhaust manifold / catalytic converter / exhaust pipe
  • Retarded spark timing
  • The oxygen sensors in front and behind the converter are reporting too similar of readings

Some suggested steps for troubleshooting a P0420 code include:
  • Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair as required.
  • Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
  • Inspect the downstream heated oxygen sensor (HO2), replace if necessary
  • Replace the catalytic converter

Oct 19, 2009 | 1996 Plymouth Voyager

1 Answer

Bad O-2 sensor


should only be one sensor located near catalytic converter

Jan 08, 2009 | 1996 Jeep Grand Cherokee

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