Question about 2001 Dodge Stratus

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Are there two O2 sensors in this car - 2001 Dodge Stratus

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All vehicles with single exhaust,have two O2 Sensors
Dual Exhaust 4 or more

Posted on Nov 06, 2010

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  • Dodge Master
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Yes, if you have the 4-cylinder there, is a sensor before and another one after the catalytic converter. These are different sensors--not interchangable. Let me know if you have more questions.

Posted on Nov 06, 2010

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Tip

How to Replace the O2 Sensor in Mercury villager?


O2 sensor needs to be replaced when you get low gas mileage in car.
The procedure to replace is as follows: ----
1) There is primary and secondary O2 sensor connector.
2) Do the replacement of the O2 sensor only when the engine is completely cool.
3)You will see primary O2 sensor on the exhaust manifold.The secondary O2 sensor is located after the catalytic converter.
4)Put the car on jack stands on the rack, this will give you proper sensor location in the car.
5)Remove the O2 sensor with a socket wrench and O2 removal tool extension. Turn the O2 sensor counterclockwise to remove.
6) Most of the times the O2 sensor comes out very easily but if its bit hard to remove it then you can use "FREEZE spray" to make it gets loose.
7)The spray will make it come out easily.
8)When the O2 sensor is getting removed, some of the wiring's will also come out.
9)Before removing the O2 sensor, take the note of the wiring's and the position of wiring so while inserting new O2 sensor you don't get confused.
10) Now after you remove the old faulty O2 sensor out. Carefully insert new O2 sensor in same position.
11) And reverse/refit all the wires / parts which you removed while replacing the old O2 sensor.
This will help. Thanks.

on Mar 22, 2010 | Mercury Villager Cars & Trucks

3 Answers

Reccieved P0141, P0147, P0340 as emission diagnostic trouble codes. What do these mean?


P0141....O2 Sensor Heater Circuit (Bank 1 Sensor 2)

P0142....O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)

P0143....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)

P0144....O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

P0145....O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)

P0146....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)

P0147....O2 Sensor Heater Circuit (Bank 1 Sensor 3)

P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)

Sep 20, 2010 | 1997 GMC Sierra

1 Answer

Trying to remove an o2 sensor that befor the cat off 200 caddy escalade


To remove the O2 sensor you will need an O2 sensor socket that you can buy at most auto part stores, or you can dis-connect the wire connector for that O2 sensor, and then slip the wire connector from the O2 sensor through a 7/8 inch box end wrench and then slide the wrench up to the O2 sensor and then remove the O2 sensor. Use plenty of W-D40 to soak the base of the O2 sensor before removing it, and if the wire connector does not fit through the box end of the wrench then cut the wire connector off from the O2 sensor, and you will only need the open end of the wrench to install the O2 sensor, and only tighten the O2 sensor up until you feel the the sealing rings crush down, and do not over-tighten the O2 sensor because they are not supposed to be torqued down.

Sep 12, 2010 | 2000 Cadillac Escalade

Tip

How to Test the O2 Sensor of Bentley Arnage car?


O2 sensor needs to be replaced when you get low gas mileage in car.
So before replacing the sensor it needs to be tested.
The procedure to test O2 sensor is as follows: ---
1) First drive the vehicle for 15 minutes in normal temperature.
2) Then Stop the vehicle in park mode and turn the engine off.
3) You will see primary O2 sensor on the exhaust manifold, the manifold will be very hot to touch so take care.
4) The function of O2 sensor in the car is to measure the amount of oxygen in car and then send that information to engine to adjust fuel pressure.
5) Now to measure the O2 sensor reading. Carefully disconnect the wire at the O2 connector, and hook the positive lead of volt meter to the O2 sensor side of the connector and connect the positive lead of volt meter to harness side of the connector.
6) In the O2 sensor you will notice two black wires that are not used for testing.
7) Now before beginning the important part of the testing procedure, check out properly that wires of O2 sensor and wires of volt meter are not getting touch to any other metal part or the manifold.
8) After checked and confirmed. Now start the car and see the voltage in engine idle position.
9) The reading will go high or go low but the average reading that it should show is 500 mV.
10) Now let the engine run and with engine running disconnect the fuel pressure regulator vacuum hose, and plug the hose with your finger.
11) The 500 mV reading will go to 700-800 mV.now remove the finger the reading will fall low to 300 mV.
12) But if these readings are not showing properly that indicates the fault in the sensor.
13) The secondary O2 sensor is located after the catalytic converter. The procedure to measure secondary O2 sensor is exactly the same like how you measured the primary O2 sensor.
14) The secondary oxygen sensor is located under the car.
15) Put the car on jack stands on the rack, this will give you proper sensor location in the car.
16) You can test secondary O2 sensor to conform the fault before replacing the O2 sensor.
17) The cost of replacing the O2 sensor is near to $100.This cost is for if you do it yourself.
This will help. Thanks.

on Mar 22, 2010 | Bentley Arnage Cars & Trucks

Tip

How to Test the O2 Sensor of Cadillac Devile car?


O2 sensor needs to be replaced when you get low gas mileage in car.
So before replacing the sensor it needs to be tested.
The procedure to test O2 sensor is as follows: ---
1) First drive the vehicle for 15 minutes in normal temperature.
2) Then Stop the vehicle in park mode and turn the engine off.
3) You will see primary O2 sensor on the exhaust manifold, the manifold will be very hot to touch so take care.
4) The function of O2 sensor in the car is to measure the amount of oxygen in car and then send that information to engine to adjust fuel pressure.
5) Now to measure the O2 sensor reading. Carefully disconnect the wire at the O2 connector, and hook the positive lead of volt meter to the O2 sensor side of the connector and connect the positive lead of volt meter to harness side of the connector.
6) In the O2 sensor you will notice two black wires that are not used for testing.
7) Now before beginning the important part of the testing procedure, check out properly that wires of O2 sensor and wires of volt meter are not getting touch to any other metal part or the manifold.
8) After checked and confirmed. Now start the car and see the voltage in engine idle position.
9) The reading will go high or go low but the average reading that it should show is 500 mV.
10) Now let the engine run and with engine running disconnect the fuel pressure regulator vacuum hose, and plug the hose with your finger.
11) The 500 mV reading will go to 700-800 mV.now remove the finger the reading will fall low to 300 mV.
12) But if these readings are not showing properly that indicates the fault in the sensor.
13) The secondary O2 sensor is located after the catalytic converter. The procedure to measure secondary O2 sensor is exactly the same like how you measured the primary O2 sensor.
14) The secondary oxygen sensor is located under the car.
15) Put the car on jack stands on the rack, this will give you proper sensor location in the car.
16) You can test secondary O2 sensor to conform the fault before replacing the O2 sensor.
17) The cost of replacing the O2 sensor is near to $100.This cost is for if you do it yourself.
This will help. Thanks.

on Mar 22, 2010 | Cadillac DeVille Cars & Trucks

1 Answer

I have a 2000 Golf GTI VR6 and I am trying to find the fuse for the oxygen sensor, I was told the fault, Found code for O2 sensor heater Bank 1 sensor 1 open circuit. Front O2 sensor failed. Might be the...


if you dont get the o2 sensors replaced it will cause the car to overheat cause im having the same problem with my golf gti vr6 had it dionosed and both my o2 sensors are out nothing else is bad and now it overheats due to the o2 sensors

Aug 28, 2010 | Volkswagen GTI Cars & Trucks

Tip

How to Test the O2 Sensor of Acura Integra car?


O2 sensor needs to be replaced when you get low gas mileage in car.
So before replacing the sensor it needs to be tested.
The procedure to test O2 sensor is as follows: ---
1) First drive the vehicle for 15 minutes in normal temperature.
2) Then Stop the vehicle in park mode and turn the engine off.
3) You will see primary O2 sensor on the exhaust manifold, the manifold will be very hot to touch so take care.
4) The function of O2 sensor in the car is to measure the amount of oxygen in car and then send that information to engine to adjust fuel pressure.
5) Now to measure the O2 sensor reading. Carefully disconnect the wire at the O2 connector, and hook the positive lead of volt meter to the O2 sensor side of the connector and connect the positive lead of volt meter to harness side of the connector.
6) In the O2 sensor you will notice two black wires that are not used for testing.
7) Now before beginning the important part of the testing procedure, check out properly that wires of O2 sensor and wires of volt meter are not getting touch to any other metal part or the manifold.
8) After checked and confirmed. Now start the car and see the voltage in engine idle position.
9) The reading will go high or go low but the average reading that it should show is 500 mV.
10) Now let the engine run and with engine running disconnect the fuel pressure regulator vacuum hose, and plug the hose with your finger.
11) The 500 mV reading will go to 700-800 mV.now remove the finger the reading will fall low to 300 mV.
12) But if these readings are not showing properly that indicates the fault in the sensor.
13) The secondary O2 sensor is located after the catalytic converter. The procedure to measure secondary O2 sensor is exactly the same like how you measured the primary O2 sensor.
14) The secondary oxygen sensor is located under the car.
15) Put the car on jack stands on the rack, this will give you proper sensor location in the car.
16) You can test secondary O2 sensor to conform the fault before replacing the O2 sensor.
17) The cost of replacing the O2 sensor is near to $100.This cost is for if you do it yourself.
This will help. Thanks.

on Mar 22, 2010 | Acura Integra Cars & Trucks

Tip

How to Replace the O2 Sensor in a Buick Century Car?


O2 sensor needs to be replaced when you get low gas mileage in car.
The procedure to replace is as follows: ----
1) The oxygen sensor is located under the car.
2) Put the car on jack stands on the rack, this will give you proper sensor location in the car.
3) The sensor has to be turned a bit then it can be easily removed.
4) Most of the times the O2 sensor comes out very easily but if its bit hard to remove it then you can use "FREEZE spray" to make it gets loose.
5) The spray will make it come out easily.
6) When the O2 sensor is getting removed, some of the wiring's will also come out.
7) Before removing the O2 sensor, take the note of the wiring's and the position of wiring so while inserting new O2 sensor you don't get confused.
8) Now after you remove the old faulty O2 sensor out. Carefully insert new O2 sensor in same position.
9) And reverse/refit all the wires / parts which you removed while replacing the old O2 sensor.
This will help. Thanks.

on Mar 22, 2010 | Buick Century Cars & Trucks

Tip

How to Replace the O2 Sensor in a Audi All road Car?


O2 sensor needs to be replaced when you get low gas mileage in car.
The procedure to replace is as follows: ----
1) The oxygen sensor is located under the car.
2) Put the car on jack stands on the rack, this will give you proper sensor location in the car.
3) The sensor has to be turned a bit then it can be easily removed.
4) Most of the times the O2 sensor comes out very easily but if its bit hard to remove it then you can use "FREEZE spray" to make it gets loose.
5) The spray will make it come out easily.
6) When the O2 sensor is getting removed, some of the wiring's will also come out.
7) Before removing the O2 sensor, take the note of the wiring's and the position of wiring so while inserting new O2 sensor you don't get confused.
8) Now after you remove the old faulty O2 sensor out. Carefully insert new O2 sensor in same position.
9) And reverse/refit all the wires / parts which you removed while replacing the old O2 sensor.
This will help. Thanks.

on Mar 22, 2010 | Audi AllRoad Cars & Trucks

Tip

How to Replace the O2 Sensor in a Chevrolet Cavalier Car?


O2 sensor needs to be replaced when you get low gas mileage in car.
The procedure to replace is as follows: ----
1) The oxygen sensor is located under the car.
2) Put the car on jack stands on the rack, this will give you proper sensor location in the car.
3) The sensor has to be turned a bit then it can be easily removed.
4) Most of the times the O2 sensor comes out very easily but if its bit hard to remove it then you can use "FREEZE spray" to make it gets loose.
5) The spray will make it come out easily.
6) When the O2 sensor is getting removed, some of the wiring's will also come out.
7) Before removing the O2 sensor, take the note of the wiring's and the position of wiring so while inserting new O2 sensor you don't get confused.
8) Now after you remove the old faulty O2 sensor out. Carefully insert new O2 sensor in same position.
9) And reverse/refit all the wires / parts which you removed while replacing the old O2 sensor.
This will help. Thanks.

on Mar 22, 2010 | Chevrolet Cavalier Cars & Trucks

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