Mercedes

Have Mercedes Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Mercedes

2004 c230 p0171 running lean... I have replaced maf,

Customer Question
hi JA: Hi. What is your...
hi
JA: Hi. What is your issue regarding?
Customer: 2004 c230 p0171 running lean... I have replaced maf, REPLACED ALL VACUM LINES, cleaned throttle. im stuck not passing smog
JA: Sometimes the difference between passing and failing a smog test can be just a few quick repairs. Luckily, the mechanic I'm going to connect you with will have just the information you need to get this fixed fast. How many miles are on the car?
Customer: 150k
JA: Tell me a bit more about what's going on so he can help you best.
Customer: im all out of answers
JA: Are you hoping to fix this yourself?
Customer: here is a list of parts
i replaced
JA: Is there anything else the Mercedes Mechanic should be aware of about your Mercedes?
Customer: yes
JA: What else should I tell the Mercedes Mechanic?
Customer: both o2 sensors replaced
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Mercedes Mechanic about your situation and then connect you two.
Submitted: 1 year ago.Category: Mercedes
Show More
Show Less
Ask Your Own Mercedes Question
Answered in 5 minutes by:
6/8/2016
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 year ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Mercedes
Satisfied Customers: 4,593
Experience: Owner at Carolina Auto Service & Sales , 20 years experience in Foreign & Domestic vehicles
Verified

Hi , my name is ***** ***** I will be assisting you today

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
2004 Benz c230 po171... Here are the following parts i replaced1x MAF
2x O2 sensors
1x engine harness cable
1x ECUall vacum lines
all gaskets associated with intakeI dont know what else it can be
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 year ago

oh man sorry to hear that , this one could be a little complicated but i will do my best to help you on it

is the P0171 is the only fault code in it

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
thank you, ***** ***** the only code coming up
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 year ago

how does the car drive any lack of power , hesitation , how is your fuel mileage ?

do you have a scanner that can read the O2 sensor on live data stream so you can give the short term & long term Fuel trim readings ?

Ask Your Own Mercedes Question
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 year ago

I like to know the fuel trims readings , it is essential to figure out , if you dont have one now but you can get one ,this post will stay open and we can go back and forth until we can fix it , unfortunately on this one i cant give a quick answer , like how do you program a key fob , but if you willing to work with me and be my eyes & ears ,we can try to figure it out .

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
no loss of power, shaky from engine mounts needing replacement. fuel consumption seems normal. no live scanner unless you consider the bluetooth android torqe app a scanner
Customer reply replied 1 year ago
what reader can I get to get this info?
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 year ago

there is a bunch , I suggest LAunch , I have a full blown XLaunch pad that do all cars all modules

But LAUNCH SCANNER on there website they offer the software for your individual car for like $50 and you can downloaded on your smart phone , then buy $ 30 OBDII wireless plug connecter available at AMAZON and there you have it ,you can communicate with all the modules in your case 04 benz c230 and read live data, read codes ,clear codes, abs, srs ,etc all modules

let me know

Chad

Any scanner that can do that for all vehicles will be $2000 and up but i have a shop I use themon daily basses , you just need your software for the car and use your smart phone instead of the scanner ?

Ask Your Own Mercedes Question
Customer reply replied 1 year ago
ok I will look into it. thanks
Ask MB Paul Your Own Question
MB Paul
MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3,567
3,567 Satisfied Customers
Experience: Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

MB Paul is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

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:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

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

< Previous | Next >

Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

29,009 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

3,771 satisfied customers

15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,131 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

602 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

< Previous | Next >

Related Mercedes Questions
Will not start, srs malfunction, abs ions, cruse control
will not start, srs malfunction, abs ions, cruse control ions, esc inop. turn key nothing happens, all lights and windows work … read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
2007 w203 C280 4matic has message on dash ABS ABS, ESP
2007 w203 C280 4matic has message on dash ABS ABS, ESP inoperativeDiagnosis/ Rig test. How do I get rid of this?… read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
SRS system malfunction car won't start Abs not available
SRS system malfunction car won't start Abs not available service required … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,771 satisfied customers
My 2001 C320 is throwing esp, abs codes. It turns over fine
hi my 2001 C320 is throwing esp, abs codes. It turns over fine but will cut of when making a turn … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,771 satisfied customers
Mercedes 2007 E550 4Matic W211. EPS/ ABS Inoperable error
mercedes 2007 E550 4Matic W211. EPS/ ABS Inoperable error even after replacing diagnosed bad speed sensor wire.… read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
2008 Smart Fortwo. The abs light comes on often along with
2008 Smart Fortwo. The abs light comes on often along with the triangle warning light. It comes on regularly once I go past 60mph. ALSO I am experiencing intermittent noise when I press on the brake. … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
The ABS & ETS lights are on. No speedometer & no MPG meter.
The ABS & ETS lights are on. No speedometer & no MPG meter. Wanted to check the DTC code and the light stays on and get no codes. where do I go from here? … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,771 satisfied customers
ABS light is on it says see owers manual. Just ABS light and
It just started today. I dont plan on fixing myself. I thought I could do a reset on it. I just had the front brakes done about a month ago. … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
2001 C240 ESP, ABS not active. pulling codes P1210, and
2001 C240 ESP, ABS not active. pulling codes P1210, and P1120. when I reset them they both turn on in about a second. I can not find those codes anywhere, specific to mercedes. … read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
The abs lights are on 2012 glk 4matic the lights were going
the abs lights are on 2012 glk 4matic the lights were going on and off now and then I just replaced the front brake pads now the lights stay on … read more
Gunvir Singh
Gunvir Singh
1,817 satisfied customers
Abs light on with lines behind rear end of car lights. Just
abs light on with lines behind rear end of car lights … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
The ABS light stays on and the cold start injector has no
The ABS light stays on and the cold start injector has no power … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,009 satisfied customers
Abs bas esp lights on dash replaced brake light switch
abs bas esp lights on dash replaced brake light switch checked wheel sensors need scan tool … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
The EBD, ABS, ESC light has came on. It just says “BRAKE”
I just tried turning the wheel to the right and to the left. … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,009 satisfied customers
BAS EBS/ABS lights are on and my brake lights have stopped
BAS EBS/ABS lights are on and my brake lights have stopped working. Are these things related? … read more
Mechanic01
Mechanic01
1,724 satisfied customers
I have a SLK 350 WDDPK5HA4CF011707 that smashed the ABS
I have a SLK 350 WDDPK5HA4CF011707 that smashed the ABS control assembly. Rather than pay 1300 for a brand new unit I was told that if I buy one with exactly the same part numbers it could be used but… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,771 satisfied customers
ABS light and ESP not available came on while driving,
ABS light and ESP not available came on while driving … read more
Matt
Matt
Engineer
Bachelor's Degree
602 satisfied customers
After oil change oil light and abs light on, just abs light,
After oil change oil light and abs light on JA: Is it just the ABS light? Or is the brake system warning light on, too? Customer: just abs light JA: What is the model/year of your Mercedes? Customer: … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
3,771 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.

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