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Oxygen sensor replacement on Lexus LS400 - Lexus Cars & Trucks

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Http://www.lexls.com/tutorials/EFI/mainoxygensensor.html

Posted on Aug 11, 2017

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

emissionwiz
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SOURCE: How to locate the oxygen sensor in a LEXUS LS430 (Bank1 Sensor1)

the O2 sensor for bank one sensor one is located between the catalytic converter and the engine in the exhaust head pipe. see photo of your engine cylinder layout, the sensor u want to replace is the one at the cylinder #1 0aa2e73.gif bank on right.

Posted on Apr 15, 2009

mkv0525
  • 358 Answers

SOURCE: R & R 1991 Lexus Ls400 Gear shift knob

slide the lower part of shifter handle down and you will find two screws, but there is 2 wires coming in from center console for overdrive button.you have to remove the center console cover and remove the 2 wires from connector and then pull up threw handle.when you go back together you will have to guide them back threw the handle.

Posted on May 21, 2009

  • 1 Answer

SOURCE: 1993 Lexus LS400 acceleration stalls or surges

I HAD THE SAME PROBLEM WITH MY CAR. 93 LS 400. THAT WOULD BE YOUR FUEL FILTER OR THE FUEL PUMP GOING BAD. TRY CHANGING THE FILTER FIRST. THE DEALER TRIED TO CHARGE ME $980 TO CHANGE FUEL PUMP.

Posted on Jul 23, 2009

MNfisherman
  • 11896 Answers

SOURCE: Replace/fix starter on 1991 Lexus LS400

Not too bad. Not much room, just enough to drop the starter. It is probably easier to go up through exhaust if you can get your exhaust shield off the manifold .

Posted on Aug 07, 2009

alicantecoli
  • 22095 Answers

SOURCE: my lexus ls400 cranks starts and cuts right off,I

factory immobiliser

Posted on Oct 20, 2009

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Where is crank shaft sensor location on 95 lexus sc300 please help


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2 Answers

The engine light and VSC light are on (Vehicle Singapore 2004 Lexus RX 300. Diagnostics report Error code P0037


your o2 sensor is bad. vsc will go on for any small DTC displayed on the MIL (cel)

P0037 LEXUS P0037 LEXUS - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 2 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
Possible causes - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse
- Faulty Engine Control Module (ECM) When is the code detected? The P0037 is set when the ECM detects an excessively low voltage through the heated oxygen sensor heater circuit P0037 LEXUS Description Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. The faster the heated oxygen sensor reaches that temperature the faster the sensor will start sending an accurate signal to the Engine Control Module (ECM).

In order to achieve the require temperature, a heater element is included inside the heated oxygen sensor. The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECMcontrols the heater element circuit by allowing current flow to ground.

The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.

o2_heater_circuit.gif

Mar 14, 2011 | 2004 Lexus RX 330

2 Answers

My lexus ls400 1991 the two electri fan all time is on


Either the temperature sensor on the radiator, or the relay is bad.
Pull a wire off the temperature sensor on the radiator.
If it stops the fans, then the sensor is bad and the relay ok.

Jul 19, 2010 | 1991 Lexus LS 400

1 Answer

Will cleaning the exhaust Lamda sensors reduce my


It could , but more than likely will have to be replaced.

Jul 14, 2010 | 1993 Lexus Ls 400

1 Answer

My 91 lexus ls400 stopped firing up. It turns over but no go.


check/change the crank sensor and check your ignition module

Jan 15, 2010 | 1991 Lexus LS 400

2 Answers

Where is bank 1 sensor 1 oxygen sensor 1999 ls400


1.Bank 1 is on the driver side.
2.Bank 2 is on the passenger side.
3.Sensor 1 is the upper sensor or upstream sensor in the manifold.
4.Sensor 2 is the downstream sensor.

Nov 06, 2009 | 2001 Lexus RX 300

1 Answer

1991 lexus ls400 doesn't accelerate


Clean, inspect and, or, Replace your crank sensor or, crank sensor wiring A loose crank sensor bracket or, a start relay has caused this before

Jun 15, 2009 | 1991 Lexus LS 400

1 Answer

VSC light and check engine light intermittently coming on. some time transmission fees sluggish too are these related> ls400 159K miles


Yes. Did you recently have the oil changed?Air Filter? Alot of techs accidentally disconnect hoses to Air Filter housing. Check hoses, Oxygen sensor could need replacement. Try reseting the sensor lights by disconnecting the negative (-) battery cable for 20 seconds then reconnect and start car. Lights should be reset. If they come back on take to dealer or to AutoZone where they can do a free analysis of engine codes

Jun 04, 2009 | 1993 Lexus Ls 400

3 Answers

How to locate the oxygen sensor in a LEXUS LS430 (Bank1 Sensor1)


the O2 sensor for bank one sensor one is located between the catalytic converter and the engine in the exhaust head pipe. see photo of your engine cylinder layout, the sensor u want to replace is the one at the cylinder #1 0aa2e73.gif bank on right.

Apr 15, 2009 | 2001 Lexus LS 430

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