Question about 1998 Isuzu Rodeo

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How long should it take to replace the oxygen sensors?

I am getting charged four hours for four sensors. that seems too long but I do not know.

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It's not the price that should concern you. What should concern you is how 4 O2 sensors can go at the same time! It's like getting 4 flats at the sane time. It just doesn't happen. Tell you "mechanic", and I use the word loosely, to sell his tools and buy a frankfurter stand then, take your car to someone that has the know-how and the proper equipment to diagnose your issues. Read the attachment to get a better idea.

Oxygen Sensors Hendon Publishing

Posted on Apr 14, 2015

  • Vincent Competello
    Vincent Competello Apr 14, 2015

    Hello, I'm in the business for 35 years and I can't stand 'hacks'! Go somewhere else. BTW, an O2 sensor could take 20 minutes or 2 hours! It depends on the location and the amount or corrosion.

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  • Isuzu Master
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Thats about right

Posted on Apr 14, 2015

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SOURCE: oxygen sensor

Did you change your air filter or clean your air filter? Maybe from there.

Posted on Jul 15, 2008

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2007 tl type s where is bank 2 sensor 1 oxygen sensor located. What is the replacement number of a sensor to kill Emission p0171 Notice and light


Oxygen sensors monitor the exhaust stream, comparing the oxygen content in it to the oxygen content of ambient air. When oxygen content is low, sensor voltage is high. When oxygen content is high, sensor voltage is low. The voltage created by the sensor is sent to the DME (engine control module) to help maintain a proper fuel mixture. The mixture preparation is used to keep the catalytic converters running at peak efficiency. The oxygen sensors used in E60 models covered in this article has four wires. Two of which are for oxygen sensor heating and two for the signal. The heater is used to get the sensor online faster. Previously, exhaust heat was used. One wire supplied a ground to the sensor for the signal, and the other was for the sensor signal.
Oxygen sensors should be replaced every 100,000 miles. In a perfect world that would be it. Wait until a specified mileage and replace the sensor. However, these sensors fail prematurely, set oxygen sensor fault codes and reduce fuel economy. In this article, I will show you how to identify the location of all four oxygen sensors and how to replace them. You will need an oxygen sensor socket to remove the sensors and remember to always work with a cool exhaust. Oxygen sensors are fragile. Do not drop, as damage may occur. Also, keep the sensor tip clean when reinstalling.
Oxygen sensors are laid out in banks, which refer to cylinders and in sensor numbers referring to before or after the catalytic converter. Bank1 or B1 refers to cylinders 1-3. Bank 2 or B2 refers to cylinders 4-6. Sensor 1 or S1 refers to the sensor before the catalytic converter. Sensor 2 or S2 refers to the sensor after the catalytic converter.
Remember that your car may have been serviced before and parts replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.
Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.
Our vehicle may vary slightly from yours as models do change and evolve as they grow older. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.
Figure 1 Bank 1 Sensor 1 is indicated by a yellow arrow. Bank 2 Sensor 1 is pointed out with a green arrow. Large Image ' Extra-Large Image
Figure 2 Bank 1 Sensor 2 has a green arrow. Bank 2 Sensor 2 is shown with a yellow arrow. Large Image ' Extra-Large Image
Figure 3 Replacing sensors before catalytic converter: Oxygen sensors are located in the exhaust manifold. Remove the engine covers. See our tech article on engine covers removing. Locate the oxygen sensor electrical connectors at the right side of the engine above the exhaust manifold. Label or mark the wiring harness to aide during reinstallation. I suggest replacing one sensor at a time so you do not mix up connectors. Using an oxygen sensor socket, loosen the oxygen sensor connection to the exhaust manifold. Do not unscrew yet. Large Image ' Extra-Large Image
Figure 4 Replacing sensors before catalytic converter: Pull the wiring harness out of the mounts (green arrows) along the valve cover. Bank 1 sensor 1 shown, bank 2 sensor 1 is similar. Large Image ' Extra-Large Image
Figure 5 Replacing sensors before catalytic converter: Next, disconnect the electrical connector of the oxygen sensor you are replacing (yellow arrow). First, remove the electrical connector from the mounting bracket (green arrow) by pulling straight up. Once out, disconnect the electrical connector by pressing the release tab and pulling it apart. Note the wiring harness color and the factory sensors color code sensors to help when replacing. Locate the color of the sensor you loosened. Using an oxygen sensor socket, remove the oxygen sensor from the exhaust manifold. Lightly coat the new oxygen sensor thread with anti-seize compound. Install the new oxygen sensor and tighten to 50Nm (37 ft-lb). Then reroute the wiring harness and connect the electrical connector. Repeat if replacing both sensors. Then reassemble the engine covers and clear any engine fault codes using a BMW scan tool. Large Image ' Extra-Large Image
Figure 6 Replacing sensors after catalytic converter: Oxygen sensors are located in the exhaust, behind the catalytic converters. Working below the transmission, remove the transmission splash shield. See our tech article on lower splash shield replacing. Using an oxygen sensor socket, remove the oxygen sensor connection to the exhaust manifold. When reinstalling the sensor, do not allow the harness to remain twisted (green arrow). Be sure it is properly routed and tension free. Large Image ' Extra-Large Image
Figure 7 Replacing sensors after catalytic converter: Next, disconnect the electrical connector of the oxygen sensor you are replacing. First, remove the electrical connector from the mounting bracket (green arrow) by pulling it straight out toward the left side of the engine. Once out, disconnect the electrical connector by pressing the release and pulling it apart (inset). Note the wiring harness color, factory sensors color code sensors to help when replacing. Locate the color of the sensor you loosened. Using an oxygen sensor socket, remove the oxygen sensor from the exhaust manifold. Lightly coat the new oxygen sensor thread with anti-seize compound. Install the new oxygen sensor and tighten it to 50Nm (37 ft-lb). Large Image ' Extra-Large Image
Figure 8 Then reroute the wiring harness and connect the electrical connector. Repeat if replacing both sensors. Then reassemble the engine covers and clear any engine fault codes using a BMW scan tool.

Jan 02, 2018 | Cars & Trucks

1 Answer

I am getting the following codes on my 2002 Nissan Altima v6 3.5 liter P1430, P1420, P1805, P1152, P1102, P1011, P1021 & P1335 I'm going crazy here. Please help!


Definition of Diagnostic Trouble Code P1430 Ford: Electric Air Pump Secondary Lincoln: Electric Air Pump Secondary Mazda: Electric Air Pump Secondary Mercury: Electric Air Pump Secondary Toyota: Intake Constrictor CTRL Circuit Open or Short

Definition of Diagnostic Trouble Code P1420 Audi: Second Air Injection Valve Circ Electrical Malfunction BMW: Secondary Air Valve Control Circuit Electrical Buick: Intake Air Low Pressure Switch Circuit Low Voltage Cadillac: Intake Air Low Pressure Switch Circuit Low Voltage Chevrolet: Intake Air Low Pressure Switch Circuit Low Voltage Chrysler: Register Resonant Charging 1 (RRC1) Dodge: Register Resonant Charging 1 (RRC1) Ford: Catalyst Temperature Sensor GMC: Intake Air Low Pressure Switch Circuit Low Voltage Honda: Nox Adsorptive Catalyst System Efficiency Below Threshold Catalytic converter Jeep: Register Resonant Charging 1 (RRC1) Lincoln: Catalyst Temperature Sensor Mazda: Catalyst system efficiency below threshold (bank 1) Mercedes: AIR Pump Switch over Valve Mercury: Catalyst Temperature Sensor Oldsmobile: Intake Air Low Pressure Switch Circuit Low Voltage Pontiac: Intake Air Low Pressure Switch Circuit Low Voltage Saturn: Intake Air Low Pressure Switch Circuit Low Voltage Subaru: EVAP Purge Control Solenoid Circuit High Input Toyota: SCV Control Circuit Malfunction Volkswagen: Second Air Injection Valve Circ Electrical Malfunction

Definition of Diagnostic Trouble Code P1805 Ford: Four wheel drive high indicator circuit failure Lincoln: Four wheel drive high indicator circuit failure Mazda: (4WD) High Indicator Open Circuit Mercury: Four wheel drive high indicator circuit failure Toyota: SB Solenoid Circuit Malfunction

Definition of Diagnostic Trouble Code P1152 Audi: Bank1, Long Term Fuel Trim, Range 2 Leanness Lower Limit Exceeded BMW: Oxygen Sensor Heater Circuit Low Voltage (Bank 2 Sensor 1) Ford: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Rich Jaguar: Lack of H02S-21 switch, sensor indicates rich Land Rover: Oxygen sensor response time bank 2.Short circuit to ground Lincoln: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Rich Mazda: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Rich Mercury: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Rich Subaru: Oxygen sensor range /performance problem (Low) Volkswagen: Bank1, Long Term Fuel Trim, Range 2 Leanness Lower Limit Exceeded Volvo: Oxygen Sensor Front, Bank 2

Definition of Diagnostic Trouble Code P1102 Acura: Mass Airflow (MAF) Sensor Lower Than Expected Comprehensive Audi: Oxygen Sensor Heating Circuit,Bank1-Sensor1 Short to B+ Chrysler: HEV Stop Request Performance Dodge: HEV Stop Request Performance Hyundai: MAP Sensor Circuit Low Input Jeep: HEV Stop Request Performance Kia: Heated Oxygen Sensor Bank 1 Sensor 1 Heater Circuit High Input Land Rover: Throttle to air flow plausibility not active.Last occurrence - minimum signal Mazda: Mass Air Flow Sensor In Range But Lower Than Expected Mitsubishi: Traction Control Ventilation Solenoid Circuit Porsche: Heated Oxygen Sensor 1 Ahead Of TWC Heater Short To B+ Saab: Front Heated Oxygen Sensor Bank 1, Control Module Input, Current in Pre-Heating Circuit Too High Subaru: Pressure Sources Switching Solenoid Valve Circuit Malfunction Volkswagen: Oxygen Sensor Heating Circuit,Bank1-Sensor1 Short to B+ Volvo: Power Stage Group B

Definition of Diagnostic Trouble Code P1011 Saab: Injector Cylinder 1 Shorting To Ground Toyota: OCV for VVTL Open Malfunction (Bank 1)

Definition of Diagnostic Trouble Code P1021 Honda: Valve Pause System Stuck On Comprehensive Mitsubishi: OCV OPN. Bank 1 Saab: Injector Cylinder 2 Shorting To Ground Toyota: OCV for VVTL Open Malfunction (Bank 2)

Definition of Diagnostic Trouble Code P1335 Audi: Engine Torque Monitoring 2 Control Limit Exceeded Buick: CKP Circuit Cadillac: CKP Circuit Chevrolet: CKP Circuit Ford: (EGR) Position Sensor Minimum Stop Performance GMC: CKP Circuit Infiniti: CKP Sensor (Ref) Jaguar: CKPS Circuit Malfunction Land Rover: Exhaust gas recirculation position sensor minimum stop performance. Lexus: Igniter Circuit Malfunction Bank 2 (During Engine Running) Lincoln: (EGR) Position Sensor Minimum Stop Performance Mazda: (EGR) Position Sensor Minimum Stop Performance Mercedes: CKP Sensor Circuit Malfunction, Bank 2 Mercury: (EGR) Position Sensor Minimum Stop Performance Oldsmobile: CKP Circuit Pontiac: CKP Circuit Saturn: CKP Circuit Toyota: No CKP Sensor Signal Engine Running Volkswagen: Engine Torque Monitoring 2 Control Limit Exceeded http://www.obd-codes.com/trouble_codes/nissan

Jun 29, 2015 | Nissan Cars & Trucks

1 Answer

2001 Toyota Sequoia Oxygen sensors


No the wires won't likely be the same length

The front upstream sensors, are not the same
Part # as the rear,downstream monitor sensors

Go to Rock Auto.Com & look up your oxygen sensors
I would get the NTK or Bosch,if they have that

You do not replace the rear sensors, until they fail

You replace the front ones at 100,000 miles or sooner,
if they fail

Jun 02, 2012 | 2001 Toyota Sequoia

1 Answer

Check engin light on .need to replace or repair oxygen sensor


you have up and down stream oxygen sensors. they are screwed into the exhaust pipe before and after the catalytic converter. assuming it is a four cylinder you have just those two.
you can buy them at about any parts store or on ebay. they can't be repaired. buy them and take them to a small exhaust or service shop, not any national chain and not a dealer. they can install them for you in less than an hour.

Sep 03, 2010 | 1999 Toyota Avalon

1 Answer

Oxygen sensor replacement


It's something you can with simple tools, you have four O2 sensors. Your going to have to get the truck rescanned or if you have the DTC code, you can find out which O2 sensor has gone bad so you can replace it. Your going to have Two upstream O2 sensors on each exhaust bank, one O2 sensor before the Catalytic Converter, and the last one after the Catalytic Converter. Its like replacing a Spark plug and you can pick up the O2 sensor at any large Auto Parts store with a can of WD 40. Just unclip the wire leads to the O2 sensor and then with a O2 sensor socket or hint close end wrench and hammer, you can remove the O2 sensor from the exhaust pipe. Good luck and be safe.

Nov 22, 2009 | 2004 Chevrolet Silverado 2500HD

1 Answer

I am having problems with the oxygen sensor on my 1997 chevy silverado ? I cant seem to find the sensor ?? Does anyone know where it is at and how to change it out ? Also will the oxygen sensor cause the...


your o2 sensor is located on your exaust. You have either two or four, I think their is only two on a 99 chevy if I remember correctly, pre catalyst and post catalyst. This means one before your catalytic converter and one after. The pre is usualy the culprit but they will not stop your truck from cranking over. This sounds more like a battery,battery cable, or starter problem. Hope this helps, Clay

Mar 25, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Number one oxygen sensor on 2001 Oldmobile silhouette


Purchased an oxygen sensor socket from an auto parts store. Went from under the van up to the sensor and was able to take the sensor out and replaces using the socket. Wasn't hard at all took about 1/2 hour total.

Feb 08, 2009 | 1999 Oldsmobile Silhouette

1 Answer

Replacing and oxygen sensor


1989 has one oxygen sensor. 1996 and up have two, three, or four. Depends on which engine and exhaust system you have.

Nov 11, 2008 | 2002 Toyota Camry

1 Answer

Oxygen sensors


you have four on this truck. bank one sensor one is "black and white" b1 s2 "brown" b2s1 "light green" b2 s2 "red/white" good luck post as fixed thanks

Sep 20, 2008 | 2003 GMC Sierra 1500

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