Lexus

Lexus troubleshooting questions? Ask a Lexus Expert

Connect one-on-one with {0} who will answer your question

Related Lexus Questions
I own a Lexus GX470 and am having an issue with 02 sensors.
I own a Lexus GX470 and am having an issue with 02 sensors. I keep getting code 0420 for bank 1 secondary sensor. I have replaced both bank 1 and bank 2 sensors and am getting the same error code for … read more
George H.
George H.
ASE Certified Technician
Associate Degree
227 satisfied customers
Lexus ES300: While driving cross country, the check engine
While driving cross country, the check engine light came on. In Abilene TX, the codes were P0128, P0430 and P0420. Finally got it to a Lexus dealer in El Paso, who reported codes P0128 and P0420. He s… read more
Eric
Eric
Retired
N/A
36,050 satisfied customers
Lexus RX300: Lexus traced my fault codes today & said it related
Lexus traced my fault codes today & said it related to a rear bank pre cat being defective. Apparently there are two on my 2005 rx300 but I don't know which one to replace. The codes showing po420 & p… read more
Rob
Rob
mechanic/mot tester
Vocational, Technical or Trade Scho
823 satisfied customers
Lexus LS430: Lexus LS430 The VSC - trac off and engine check
Lexus LS430 The VSC - trac off and engine check warning lights are on - occassionally they go off but come back on. What is the problem?… read more
Greg
Greg
Shop owner, technician
Vocational, Technical or Trade Scho
6,215 satisfied customers
Lexus: I have 1998 lexus ES300.I went for the emission
I have 1998 lexus ES300. I went for the emission and it got failed with P0120, P0135, P0401 and P0402. I went to the dealership and shown them the emission failed paper which have code in it. They tol… read more
Ricardo Hohl
Ricardo Hohl
Auto Motive Instructor
Automotive tech
4,320 satisfied customers
Lexus 2002: 2002 Lexus GS300 175K Miles Symptoms: (1)
2002 Lexus GS300 175K Miles Symptoms: (1) terrible gas mileage and (2) check engine light - pulled codes p0420 and p0430 I used a scantool application to pull the codes and monitored the OS 2 sensors'… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,666 satisfied customers
PO..bank one on the drivers side or the passenger side
I am working on a 2004 GX 470. I am getting a PO 420 My questions are: 1. Is bank one on the drivers side or the passenger side of the vehicle? 2. Would you recommend changing the o2 sensor and waitin… read more
Genchi Genbutsu
Genchi Genbutsu
Vocational, Technical or Trade Scho
3,854 satisfied customers
Lexus ES300: 1999 es300. how many catalytic converters it has?
1999 es300. how many catalytic converters it has? been told has three & front one needs replacing.… read more
Ron Z.
Ron Z.
Vocational, Technical or Trade Scho
20,907 satisfied customers
99 ES300: 3.0 liter..one behind the Y pipe..After replacing..ran good
I need a driveability tech....I have a 99 ES300 with the 3.0 liter. It had a restricted "third" catalyctic converter...the one behind the Y pipe. After replacing that, it ran good, except it had an oc… read more
Brad
Brad
Lead Diagnostic Technician
Vocational, Technical or Trade Scho
2,361 satisfied customers
99 rx: autozone..portable scanner..catalytic converter..fuel system
99 rx 300 with the engine light on and states the word "check". Autozone scanned it with their portable scanner and had a P0420 code? Failed catalytic converter, ignition malfunction and fuel system m… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
19,206 satisfied customers
Lexus ES300: Check Engine Light..Engine Light came on..O2 sensors
I have 02 Lexus ES300. Check Engine Light came on. Ran codes before and was told I should replace two upsteam A/F O2 sensors. I had them replaced with both Bosch A/F Wideband Upstream Sensors. Now I a… read more
Boxer54
Boxer54
Line Technician
2 years university - did not gradua
1,556 satisfied customers
2002 Lexus RX300: Spark plugs..air filter..check engine light came
I have a 2002 Lexus RX300, 119k miles on it. Spark plugs and air filter were just changed 2 weeks ago. My check engine light came on, and three codes are being thrown - P0172 (bank 1 too lean), P0174 … read more
lexpert
lexpert
Lexus Master tech
Vocational, Technical or Trade Scho
9,974 satisfied customers
2003 is300: p0420..enging..local dealership has stated its a Cat conv
greetings from the lost and confused. my son has a 2003 is300. he has been getting a P0420 code (check enging light is on). the local dealership has stated it's a Cat conv, but they can't be sure whic… read more
lexpert
lexpert
Lexus Master tech
Vocational, Technical or Trade Scho
9,974 satisfied customers
i have a 1999 lexus rx300 codes p0171 keeps coming on. the
i have a 1999 lexus rx300 codes p0171 keeps coming on. the first thing that was replaced was the air flow sensor bank 1.(o2), the next thing that was replaced was the mass air flow sensor, the light s… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
25,665 satisfied customers
Hi there, My 02 RX300 had a P0420 code read out a month ago
Hi there, My 02' RX300 had a P0420 code read out a month ago and the catalytic converter been replaced for $2k from the dealer. Last week, CEL went back on and the same code was pulled out again (p042… read more
lexpert
lexpert
Lexus Master tech
Vocational, Technical or Trade Scho
9,974 satisfied customers
RX300: P0420..catalytic converter..CEL went back on and the same code
Hi there, My 02' RX300 had a P0420 code read out a month ago and the catalytic converter been replaced for $2k from the dealer. Last week, CEL went back on and the same code was pulled out again (p042… read more
lexpert
lexpert
Lexus Master tech
Vocational, Technical or Trade Scho
9,974 satisfied customers
lexus: because the check engine and vsc light came..converter..p0420
I took my car to the lexus dealer because the check engine and vsc light came on they told me it was the catalyst converter because the code showed p0420. The car is a 99 es300 with 88k miles. I got t… read more
BigBob
BigBob
Service Manager
High School or GED
4,792 satisfied customers
1999 Rx300: exhaust..converter..The last check engine light..O2 sensor
My 1999 Rx300 seems to be burning a lot of fuel in the exhause system, you can hear the exhaust escape from the joint between the "Y" pipe and the catylic converter under the drivers seat. The last ch… read more
lexpert
lexpert
Lexus Master tech
Vocational, Technical or Trade Scho
9,974 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

THANK YOU, THANK YOU, THANK YOU!! I've got my baby back. Tomorrow I will get a tank of high octane, remove the top, go for a long long ride and enjoy my car. THANK YOU!

JugheadUSA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

lexpert

lexpert

Lexus Master tech

9,974 satisfied customers

Master Certified with lexus, 8 years experience with Lexus

Skyvisions

Skyvisions

ASE Certified Technician

1,964 satisfied customers

Lexus Expert

Chris (aka - Moose)

Chris (aka - Moose)

Technician

403 satisfied customers

16 years of experience

AMD

AMD

Master Technician

270 satisfied customers

L1 Advanced Level Diagnostics Specialist

George H.

George H.

ASE Certified Technician

227 satisfied customers

15+ years ASE Master w/L1 Drivability certification

Tim Mohr

Tim Mohr

ASE MASTER

144 satisfied customers

30 YEARS EXPERIENCE, FORIEGN AND DOMESTIC, GAS AND DIESEL

Autotech58

Autotech58

ASE Certified Technician

79 satisfied customers

37+ years of experience. Still do not know all of the answers, but know where to find them.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x