Question about Toyota Avalon

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I have a 1998 Toyota Avalon XL - the engine sign is on for a while...the mechanic says it will cost $300 - it's the oxygen sensor...is it right?(He says that after replacing I have to do 50 miles...then the light will go off).. What if engine light will come back in let say 2 months...

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If the sensor is bad and needs to be replaced, the light needs to be reset at the time of repair.

If your mechanic does not have the equipment to reset the light, he can not accurately diagnose the light either and is likely just guessing.

Find a new mechanic, this guy smells like trouble.

Posted on Sep 23, 2009

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O2 sensors do cost $100 or more.your computer should re-set [light off] after a period of operation with no faults.there are many things that will set off a trouble code in the computer.the light signals you it has stored a code.

Posted on Sep 23, 2009

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1 Answer

OXYGEN SENSORS REPLACED, ENGINE LIGHT STILL ON


Check Light & Codes for What?

You look up the codes,diagnose the system
the codes point to

I don't know what codes you had or why the O2
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Codes don't tell you to replace anything

Have you not gone to a repair shop to have
whatever the problems are properly solved?

Oct 18, 2012 | 2006 Toyota Avalon XL

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What's wrong with my 1995 Toyota Avalon with Codes P0135 and P0773?


P0135 indicates that the heated oxygen sensor 1 on bank 1 is not functioning properly.

P0773
This is the torque converter lockup solenoid. Is the converter locking up? The solenoid can be accessed by removing the trans oil pan. Coil resistance is 10.16.9 ohm, check to see if the solenoid operates when 12DC is applied.

Can also be the wiring to the solenoid from ECU.

Jun 01, 2012 | 1995 Toyota Avalon

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1998 avalon xl knock sensor location


This engine has two knock sensors, one for ecah cylinder bank, both are located under the intake manifold, the manifold has to be removed to get to the sensors.

Aug 16, 2011 | 1998 Toyota Avalon

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Where is the oxygen sensor heater circuit 1 Bank 1 for a 03 Toyota Avalon XLS?


2695479270043892667s600x600q85.jpg
Above is the sensor itself on an 03 Avalon.

If the heater circuit has no activity check the relay located inside the engine room junction box JB shown below.

55316_04avalonjb_1.jpg

Jan 01, 2011 | 2003 Toyota Avalon

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Where is the upstream oxygen sensor on a 98 toyota avalon


in each exh. manifold, you need to know which one you are talking about.

Mar 11, 2010 | 1998 Toyota Avalon

1 Answer

Check light on black smoke,fuel consumption,the scan read PO 171 please what is the problem.


Sounds like a faulty oxygen sensor, telling computer that engine is running lean, so it's dumping more & more fuel to try & correct it. Bank 1 oxygen sensor.

Jun 04, 2009 | 1998 Toyota Avalon

2 Answers

The check engine light keeps coming on for a 1998 Toyota Avalon.


Had the same problem!

Your Computer won't reset. Now don't freak out their is a fix.....

Your computer is out, and needs to be replaced. their are three ways to resolve this. Buy a new computer (about $1200 plus aprox. $200 labor), find someone who can somehow get the computer to reset (??? this could cost about $600). Not a good choice.Their is another way, but it can't be posted. It is a total fix, but not even related to the problem. I know a mechanic for the company and.......


Apr 27, 2009 | 1998 Toyota Avalon

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