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Where is the O2 sensor located - Bank 1/sensor 1?

Where is the O2 sensor located - Bank 1/sensor 1? 1998 LEXUS ES300

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  • Anonymous Mar 28, 2014

    o2 sensor fuse location

  • Anonymous Mar 28, 2014

    o2 sensor fuse location

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  • 58 Answers

On the exhaust manifold

Posted on Jun 19, 2009

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1 Answer

Where is the first bank, first sensor O-2 sensor located? It needs to be replaced. I have a 2004 Lexus Gx470.


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2002 Lexus ES300 Bank 1, Sensor 1


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Yes the O2 sensor preheater problem will turn on the VSC light, see the complaint often, why? don't know
.P0031 TOYOTA - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1
In most cases the O2 being replaced cures the code but here is the full story.
Possible causes- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit open shorted to ground
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Code p0420 on 97 lexus es300


P0420 is catalyst below threshold. It is triggered via the rear o2 sensor (post cat), so you may want to check that sensor to make sure it's functioning properly.

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The Camshaft Position Sensor (CMP) on the 4.0L 6cylinder engine is bolted to the top of the oil pump drive shaft assembly. The sensor and drive shaft assembly is located on the right side of the engine near the oil filter.

a4b74c1.jpg

Fig. 1: Component locations-ES300

a7bce64.jpg

Fig. 2: Component locations-ES300



Hope this help; remember comment and rated this. TY for using Fixya.



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Obd code P0135 on a lexus ls400


usually your first sensor is located on the exhaust manifold

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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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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.

Apr 15, 2009 | 1997 Lexus ES 300

1 Answer

1996 es300 trouble code po172 and misfireing on all cylinders


Whats going on here is that you have a too rich fuel air mixture. This will cause your misfiring and set off the PO172 Code. Your Bank 1 O2 Sensor is picking up the too rich mixture. This O2 sensor is location on the #1 Cylinder side (so you problem could be in #1/#3/#5 Cylinder). A dirty MAF Sensor, loose plug wire, dirty/broken spark plug, dirty fuel injectors, vacuum leak, and PCV Valve could all be a cause. I would run some injector cleaner through and also clean the MAF Sensor, change your PCV Valve. This would be an easy and cheap start for you. Good luck and thanks for using FixYa!

Sincerely,
JC

Dec 28, 2008 | 2000 Lexus ES 300

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