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I have the PO 171 code, bank 1 too lean. I replaced the bank
Hello, I have the PO 171 code, bank 1 too lean. I replaced the bank O2 sensor, changed the 3 way brake booster vacuum line and reset. came back on. I did clean the air filter and MAF, drove it and the… read more
Matt
Matt
Engineer
Bachelor's Degree
23,622 satisfied customers
Idle search, runs bad. 132,000. 2.8l. Audi A6 Quattro 2001.
Idle search, runs bad JA: How many miles are on the car? What size is the engine? Customer: 132,000. 2.8l JA: What is the make/model/year of your car? Customer: Audi A6 Quattro 2001 JA: Are you fixing… read more
Matt
Matt
Engineer
Bachelor's Degree
23,622 satisfied customers
2006 audi a4 2.0T, have had a P0171 lean on idle code i have
2006 audi a4 2.0T , have had a P0171 lean on idle code i have been chasing , replaced PCV , O2 sensor ond purge valve with no luck . Am thinking the intake runner flap is damaged / dislodged from the … read more
gomi_otaku
gomi_otaku
Auto Technician (dealership)
Vocational, Technical or Trade Scho
2,229 satisfied customers
I have an 2008 Audi A3; 2.0 TFSI - 134,000 miles. CEL cam on
I have an 2008 Audi A3; 2.0 TFSI - 134,000 miles. CEL cam on a month ago reading: 0171 System too lean (Bank 1). Trips limp mode - poor acceleration response and creates poor fuel mileage (19 mpg). I … read more
Dan
Dan
Dealership Technician
Associate Degree
2,172 satisfied customers
Having issues with my '03 Audi A6 Quattro 2.7t, starts cold,
having issues with my '03 Audi A6 Quattro 2.7t, starts cold, shuts off when it reaches OT, then won't start again until it cools off.… read more
BOBBYSS
BOBBYSS
TECHNICIAN/ADVISOR
Associate Degree
8,343 satisfied customers
my 07 audi a4 2.0t has a lean code off idle. one computer says p2177 another says 16809 I
my 07 audi a4 2.0t has a lean code off idle. one computer says p2177 another says 16809 I have replaced the pcv valve and done smoke test with no change. It takes several days for engine light to come… read more
Roman
Roman
Master Technician
Associate Degree
366 satisfied customers
Audi A3: HI iam having problems with my audi A3 1.6.Theproblem
HI iam having problems with my audi A3 1.6.Theproblem is when the car temperature reaches 90 degrees or you are sitting in traffic the car will cut out but it starts straight away then it will jump an… read more
Matt
Matt
Engineer
Bachelor's Degree
23,622 satisfied customers
Hi:I have a 2002 Audi TT, 225 quattro with 52,000 miles.
Hi: I have a 2002 Audi TT, 225 quattro with 52,000 miles. Not long ago the car went into limp mode. The car had a MAF related code, sorry I forgot it. When I unplugged the MAF the car ran fine. So, I … read more
Roman
Roman
Master Technician
Associate Degree
366 satisfied customers
Audi A3 Quattro: hi i have an audi a3 3.2 sport manual 2003,
hi i have an audi a3 3.2 sport manual 2003, its recently started juddering when crusing at the same speed or in traffic? also when i take my foot off the accelerator and let the engine slow the car do… read more
Matt
Matt
Engineer
Bachelor's Degree
23,622 satisfied customers
Audi A4 Quattro: I have a 2003 Audi A4 1.8T Quattro, my codes
I have a 2003 Audi A4 1.8T Quattro, my codes read P0171. But the problem I'm having with the car right now is sometimes when I start my engine I get white smoke out of my exhaust. And my oil is holdin… read more
Roman
Roman
Master Technician
Associate Degree
366 satisfied customers
2003 audi a6: 3.0l..i smoke..drove..traffic, the vehicle stalled
yes im working on a 2003 audi a6 3.0l, originally came in with codes 16825/16805/17819/17831/17550/16486/17535/17537. after this i smoke tested several sections of the vacuum lines and found a vacuum … read more
Jake
Jake
Audi Technician
Vocational, Technical or Trade Scho
2,110 satisfied customers
Audi a4: idling..cel..p0171..It stalled once but otherwise drove fine.
Audi a4 1.8T 2001 2 weeks back it started idling poorly after driving it a bit. CEL came on with P0171. It stalled once but otherwise drove fine. Problem only at idle but intermittent. Magically the l… read more
Roman
Roman
Master Technician
Associate Degree
366 satisfied customers
Audi A4 Hello i have 99 audi a4 1.8 petrol. engine code
Hello i have 99 audi a4 1.8 petrol. engine code apt .the problem was it started reving at about 2000 rpm when idling the fault was the o2 sensor so i changed it and all was ok. Now it started reving a… read more
Matt
Matt
Engineer
Bachelor's Degree
23,622 satisfied customers
When I start my car from cold, it revs at 1300 rpm, after 2
When I start my car from cold, it revs at 1300 rpm, after 2 minutes it rests on 700/800rpm rpm and doesn't rest, it flutters slightly,. I have spoken to other s3 owners and they say this is not normal… read more
Matt
Matt
Engineer
Bachelor's Degree
23,622 satisfied customers
1999 audi A6: bought 123xxx miles, jan 06 driven @15000 per yr.
1999 audi A6 Avant Quatro 190xxx miles. bought 123xxx miles, Jan 06 driven @15000 per yr. Driven easy. Kids call me "slow starter" very easy accel, etc, AVG 23 MPG, w/min. highway miles. I know someth… read more
Danny
Danny
Owner, lead mechanic
High School or GED
3,963 satisfied customers
A3: overheating..coolant by the expansion tank..water pump..turbo
I have my A3 TDI 1.9 105hp overheating each time I go over 80mph or 3000rpm, then i start loosing coolant by the expansion tank (starts to boil). I have changed the termostat and water pump recently, … read more
Wolfgang
Wolfgang
14 satisfied customers
Accordingly: the car started idling real rough, when I..clutch..rev
So on Friday I was going to dinner and the car started idling real rough, when I pushed in the clutch it would rev up to like 3k and then slowly come back down. Changed out the coilpacks...nope, check… read more
Jake
Jake
Audi Technician
Vocational, Technical or Trade Scho
2,110 satisfied customers
Boost..psi..I swapped out the turbo because the local dealer
in my repair shop I have a 2002 a-4 1.8t with shortage of power, I measured the boost at heavy load and other times and it seems to only create about 5 psi, what is the factory expectation of boost in… read more
Jake
Jake
Audi Technician
Vocational, Technical or Trade Scho
2,110 satisfied customers
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AudiDoc

AudiDoc

Independent Audi Shop Owner

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I've been working on Audis since I was 18 and own an independent Audi repair and performance shop

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Matt

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Chris (aka - Moose)

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Mike Kelly

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17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.

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Tim Mohr

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30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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Michael Miller

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ASE Master Technician. Audi certified, including R8 and TDI (clean diesel).

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Quattro King

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ASE Master Certified, 20+ yrs European experience

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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.

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