Question about 2001 Lexus RX 300

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O2 sensor lexus rx300 what colour wires do what?

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  • 40 Answers

One usually heats the sensor (power) the other is a ground and they other sends the ohms of resistance to the computer, measuring exhaust air density, adjusting the fuel and ignition while you drive.

Posted on Sep 17, 2009

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

bunnydawg
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SOURCE: How many O2 sensors on a 1997 Lexus ES 300?

according to the manual i have... it has three.... one in the exhaust manifold.... and two in the exhaust pipe..... slightly vauge on the exact location of the last two sensors... but looks like it is after the catylitic converter.

Posted on Apr 15, 2009

Molson02536
  • 3854 Answers

SOURCE: code p1130. where is the sensor located

P1130 Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 1 Sensor 1) 
This sensor is the hardest to get at. It is between the cat and the cylinder block on the bank of cylinders closest to the firewall. Not much wiggle room back there.
Sensor will run you about $225 from Toyota, $275 from Lexus, but you may be able to get a Denso sensor on line.

Good luck and hope this helps. keep me posted. 

Posted on Jun 26, 2009

keithheavili
  • 410 Answers

SOURCE: ? to Replace Timing belt on 2000 Lexus Rx300 with 57,000 miles.

If it is running perfectly I wouldn't think that you would need to replace the timing belt. You shouldn't need to replace that until 100,000-120,000 miles. I would definitely hold off until now unless you have start having some timing problems. Let me know if you have any other questions. Thanks for rating my response and for using FixYa!

Posted on Jul 08, 2009

  • 17 Answers

SOURCE: replace side marker light on lexus rx300

Remove 3 - 4 screws on fender cover close to side marker light. Pull fender cover out a bit for you to use your other hand to reach side marker light. By twisting on one direction and here you go the light out. Replace new bulb and replace everything on reverse order.

Posted on Aug 18, 2009

  • 185 Answers

SOURCE: where coolant temp sensor location for lexus rx300

coolant temp sensor is located on the bootom backside of the radiator. you will have to remove the front under cover to access it.

Posted on Oct 09, 2009

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Was running and the fuel rail was loose and after I discovered it was loose it shot gas out and shut down quickly while running.


2001 Lexus RX 300 - Openbay

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Driver side suspension drops when turned off works ok with engine running new sensor fitted still has problem


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Jul 17, 2015 | 2003 Lexus RX 300

1 Answer

Lexus RX300 speedometer not working


check vehicle speed sensor and / or plug/wiring to that sensor

Apr 13, 2015 | Lexus RX 300 Cars & Trucks

1 Answer

What does code system to lean bank 1 mean on my 2000 lexus rx300


It could be caused by many things, but generally it means that your engine is running too lean - usually indicating a vacuum leak. It could also be that the O2 sensor is bad and giving a false reading.

Apr 10, 2014 | 2000 Lexus RX 300

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

1 Answer

1999 lexus rx300 4wd eng. light comes on, no power, rough idle hesitation cat converter cherry red. when computer reset runs ok for short time


Converter is ruined, as are the O2 Sensors

Now you have to fine out why

Rich Condition or Overheating,
Engine Misfires

Have fun !!

Feb 16, 2011 | 1999 Lexus RX 300

1 Answer

What is PO 330 Knock 2 # 2 code is in my 99 lexus rx300 truck


P0330 = "knock sensor no.2 circuit malfunction (bank 2)." This sensor is on the bank of cylinders which contain cylinder No.2. Either the sensor is bad or the wiring to the sensor is bad. The knock sensor detects when pre-ignition (pinging or knocking) is occurring and tells the computer. The computer then retards the ignition timing to prevent engine damage.

Feb 09, 2011 | Lexus RX 300 Cars & Trucks

2 Answers

I want to find locations of oxygen sensor on engine in 1999, lexus RX300


in the exhaust down pipe ,one before the cat and one after

Jan 01, 2011 | 1999 Lexus RX 300

1 Answer

2003 rx300 - problem the skid control light came


Most likely a bad wheel speed sensor or wiring harness issue.

Jul 02, 2017 | 2001 Lexus RX 300

1 Answer

My lexus rx300 had the engine and vsc light on also.


The ck engine light is not triggered by just the o2 sensor. Is this a new vehicle? 5 or 6 times for the same problem and unseccessful? Hmmmm I belive the lemon law says the dealer has 3 attempts to correct the problem and of course federal emmision standards are more than likely not in compliance. Want another lexus?

Jun 14, 2009 | 2001 Lexus RX 300

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