How JustAnswer Works:

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

Ask Wolfgang Your Own Question

Wolfgang
Wolfgang, Audi master tech
Category: Audi
Satisfied Customers: 3076
Experience:  Senior Audi Master Tech 15 yrs
19871424
Type Your Audi Question Here...
Wolfgang is online now
A new question is answered every 9 seconds

01 A4 fwd hard to start on cold replace maf still the same

Customer Question

01 A4 fwd hard to start on cold replace maf still the same ,remove the plug in the maf and the car starts and runs fine?as the scanner,had a note on it some times ,ecu not working properly,replace the ecu still the same,starts with the maf plug disconnected,with the plug on it starts and dies with in a second or 2 any ideas?
thanks
Submitted: 12 months ago.
Category: Audi
Expert:  Wolfgang replied 12 months ago.

Eurocar Inc :

Hello there! I'm Eurocar ! I will try to assist you as much as I can.

Eurocar Inc :

have you had the engine computer scanned for codes?

Eurocar Inc :

that would be the first step to do to see if any faults are stored . if they are then they need to be addressed first. faults stored may cause the hard start issue.

Eurocar Inc :

second is the throttle body clean and no carbon build up on the plate and the housing inside the tube?

Eurocar Inc :

please let me know

Eurocar Inc :

thanks

Customer:

no codes on the ecu c.e.l. of ,no memorie codes.checking wires now

Eurocar Inc :

what scan tool are you using?

Customer:

snap on

Eurocar Inc :

reading from obd function or do you have euro?

Customer:

yes

Customer:

euro

Eurocar Inc :

ok good are you using expert mode?

Customer:

no

Eurocar Inc :

please go to expert mode then select 01 engine electronics and then go to measure values and go to channel 032 and give me the readings

Customer:

ok will do

Customer:

thanks

Eurocar Inc :

sure i may be helping other just respond and will will get back asqp

Customer:

hi after a few minutes truing to work this scanner either I do not know how to do it or the no communication is writ.

Customer:

hi all I got on expert mode is no communication.got in normally and there r no codes either present or memories,even with the maf sensor disconnected on the expert mode gives me a message before I got in "ecu may be disabled or corrupt do to wrong use"

Customer:

throttle body is ok

Customer:

wiring does not look like it as a short any were on the MAF harness

Customer:

the car was cold now and I tryed to strat it it start seconds and dies out,take the MAF plug out starts fine going to 1100 rpm and coming down after a few minutes to rgular idle 800/850 no miss fire just nice .chec engine litgh still of with MAF plug out.

Eurocar Inc : Ok which key are you using s7 or the other key with a raised blue chip?
Customer:

guess what the intake hose completely blown to pieces.thats my problem.thanks.

Customer:

I konw shoulod be the first to look at,but just replaced the turbo and it was ok. thanks again

Wolfgang, Audi master tech
Category: Audi
Satisfied Customers: 3076
Experience: Senior Audi Master Tech 15 yrs
Wolfgang and other Audi Specialists are ready to help you
Expert:  Wolfgang replied 11 months ago.

sure my pleasure!

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 P Elm City, NC
< Last | Next >
  • 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 P Elm 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. Phil Marysville, 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. Charles Walnut 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!
    Sue Charleston, 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. Jim Castleberry, 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
 
 
 

Meet The Experts:

 
 
 
  • AudiDoc

    Independent Audi Shop Owner

    Satisfied Customers:

    1681
    I've been working on Audis since I was 18 and own an independent Audi repair and performance shop
< Last | Next >
  • http://ww2.justanswer.com/uploads/audidoc/2008-12-23_175252_headshot.jpg AudiDoc's Avatar

    AudiDoc

    Independent Audi Shop Owner

    Satisfied Customers:

    1681
    I've been working on Audis since I was 18 and own an independent Audi repair and performance shop
  • http://ww2.justanswer.com/uploads/35/350matt/2012-6-7_182356_matsavatr.64x64.jpg Matt's Avatar

    Matt

    Engineer

    Satisfied Customers:

    461
    Mechanical Engineer with 20 years experience in the auto industry, 8 yrs in formula 1 engine testing
  • http://ww2.justanswer.com/uploads/MI/mikeamechanic/2013-4-2_175558_photo.64x64.JPG Mike Kelly's Avatar

    Mike Kelly

    Audi Mechanic

    Satisfied Customers:

    259
    17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
  • http://ww2.justanswer.com/uploads/FourRingsTech/2010-01-26_135603_GetAttachment.jpg Michael Miller's Avatar

    Michael Miller

    ASE Certified Technician

    Satisfied Customers:

    241
    ASE Master Technician. Audi certified, including R8 and TDI (clean diesel).
  • http://ww2.justanswer.com/uploads/NA/nabilc/2011-1-24_205715_jap500.64x64.jpg Billy's Avatar

    Billy

    Trainer/Master tech.

    Satisfied Customers:

    229
    Trainer 8+ years, Master tech. 10+ years, SAE member
  • http://ww2.justanswer.com/uploads/tsmodie/2009-6-10_144056_tim.jpg Tim Mohr's Avatar

    Tim Mohr

    ASE MASTER TECH

    Satisfied Customers:

    204
    30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL
  • http://ww2.justanswer.com/uploads/CA/caprio23/2011-12-13_155550_20111213105344.64x64.jpg Anthony's Avatar

    Anthony

    ASE Certified Technician

    Satisfied Customers:

    174
    ASE Master Automobile Technician with over 20 years exp. in this field.