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2006 Audi A4 / S4 / RS4 repairs by problem area

Engine (53%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (4%)

Suspension and Steering (8%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (4%)

Chart based on 742 repairs.

2006 Audi A4 / S4 / RS4 repair cost distribution

$2500+ (4%)

$1000 - $2499 (25%)

$500 - $999 (23%)

$100 - $499 (44%)

< $100 (5%)

Chart based on 248 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2006 Audi A4 / S4 / RS4 repair histories. Log in or join us to see them all.

2006 Audi A4 4dr Wagon

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in New York, United States
Sep 2007 - Sep 2015
Dec 2007

18000 mi
Check engine light came on, flashing and vehicle running rough. Restarted vehicle, running ok, check engine light on solid. Called dealer and brought it right in. Found loose connection to one of the ignition coils. Problem has not returned. 
Sep 2008

33000 mi
Check engine light came on, vehicle ran fine. Made an appointment for next day. Problem found to be electric motor that runs the flapper for variable intake runner. Dealer had part in stock, was replaced on the spot. 
Jul 2010

61000 mi

US $80
High Pressure Fuel Pump Cam follower replaced. Original one was in bad shape. 
Apr 2011

71000 mi

US $80
Loss of power at high load. Replaced fuel pressure sensor on high pressure fuel pump. There was a TSB for this part. This lead me to the problem. 
Mar 2012

79000 mi
Issues related to high pressure fuel system where fixed. High pressure fuel pump, intake camshaft and fuel pressure sensor were replace. Also replaced intake actuator and PCV valve. 
Oct 2014

97300 mi

US $350
Replaced timing belt, water pump (still working), thermostat (not working, stuck open), timing belt tensioner, acc belt. 
Aug 2015

105300 mi

US $130
Front left wheel bearing replaced due to noise. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD

Audi A4 in Ontario, Canada
Dec 2006 - Mar 2010
Jun 2006

3720 mi
Interior rattle - fixed under warranty. 
May 2007

14880 mi
Cracked leather surface on driver's seat left side bolster. 
Apr 2008

22320 mi
Return trip to have replacement seat cover installed. 
Jan 2009

29140 mi
Pressure regulator valve malfunction resulted in check engine light. Part replaced and problem solved on same day in less than an hour. 
Audi A4 in Ontario, Canada
Dec 2006 - Jun 2015
Dec 2006

18848 mi
Accelerating on highway, power would cut for a couple of seconds and then resume. Check engine light appeared. Dealer is replacing camshaft and associated parts. 
Jan 2007

18910 mi
Fixed Issue from december. Received another check engine light, result was a misfire they replaced one of the coils. 
Jul 2009

55800 mi
Check engine light, boost control valve for turbo replaced 
Sep 2011

81840 mi
Car loses power when accelerating above a speed of 70km/h. Brought to dealer, was the same issue with the camshaft follower being worn and a new camshaft parts. All under an extended warranty by audi to all cars up to 160000km/10 years. 
Nov 2011

83700 mi

C $200
HID headlight flickering in and out. New ballast ordered and replaced inside the headlight. 

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2006 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in Oregon, United States
Dec 2006 - Feb 2011
Nov 2007

25000 mi

US $205
software update, no problems noticed with vehicle. 
Jul 2008

34000 mi
Power loss during hard acceleration. Unspecified software update. 
Mar 2009

43000 mi
Flickering headlights, described under TSB 
Feb 2011

74000 mi

US $60
Engine temperature was not stable. Thermostat was purchased to repair problem but I was unable to perform the repair. 

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2006 Audi A4 2dr Convertible

turbocharged 170hp 1.8L I4 6-speed shiftable CVT FWD

Audi A4 in Massachusetts, United States
Dec 2006 - Jun 2011
Dec 2007

15000 mi
replaced cracked headlight washer fluid line 
Mar 2009

25000 mi

US $1000
I believe it is insane that all four brakes and rotors should go at 25,000 miles. Discovered at 25,000 PM. Repair performed at local service station, est cost at dealer almost 1100 
Jan 2010

32300 mi
Power steering hose clamp came loose and lost all power steering fluid 

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2005.5 Audi A4 4dr Sedan

turbocharged 200hp 2.0L I4 6-speed manual AWD

Audi A4 in Connecticut, United States
Oct 2007 - Apr 2008
Dec 2007

31000 mi
Engine ran rough at start up - like only two or three cylinders firing. Three restarts had same problem. After waiting a few minutes another restart had a smooth engine but the light was on. Apparently there was a TSB on this faulty "ventilation valve". 
Audi A4 in Pennsylvania, United States
Jan 2007 - Sep 2015
May 2007

27000 mi
Jan 2011

86300 mi

US $300
Replaced purge valve 
Mar 2011

91000 mi

US $500
Charcoal Canister replaced 
Aug 2012

105500 mi

US $90
Exhaust system hanger replaced 
Jun 2015

130000 mi

US $450
Replaced front brake rotors and pads 
Audi A4 in Wisconsin, United States
Dec 2006 - Jun 2011
Dec 2007

69000 mi

US $600
Bottom Windshield Wiper resevoir cracked. All fluid leaks out now! 
Nov 2010

87000 mi

US $4782
Fuel valve eaten by engine; required new top end, fuel pump, filter. 

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2005.5 Audi A4 4dr Sedan

255-horsepower 3.1L V6 6-speed shiftable automatic AWD

Audi A4 in New Jersey, United States
Nov 2007 - Apr 2013
Dec 2007

25000 mi
2 faulty ignition coils were causing cylinder misfires which lead to the engine being rough at idle. The ignition coils were replaced under the manufacturer's warranty. 
Jan 2009

34000 mi
Trunk latch was defective and would not stay closed. Replaced under warranty. 
May 2009

37000 mi
Driver side window regulator replaced under factory warranty Outstanding work: Torn vinyl side bolster Torn vinyl side bolster - quoted $200 to replace. Complained to Audi of America about not being covered under warranty. No solution provided. 
Feb 2010

44500 mi
replaced warn front brake pads 
Apr 2011

56000 mi
Rip in driver side bolster re-opened after being repaired twice. Dealer paid for it and considered it "goodwill". Tried to blame the problem on me (not manufacturing defect) and said this is the last time it will be paid for. 
Oct 2011

62000 mi

US $650
Oil leaking from manifold. Extensive labor charges incurred to repair a $15 gasket that prematurely failed. 
Oct 2012

69700 mi

US $300
Engine is slow to turn over. Replaced fuel sensor and fuel filter. Declined throttle body and injection cleaning service. Problem still exists 
Mar 2013

73000 mi
Rear Cam oil leak Valve cover oil leak Rear Differential leak 
Apr 2013

73000 mi
Rear cam oil leak not repaired. 

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2005.5 Audi A4 / S4 / RS4

Engine not specified

Audi A4 in California, United States
Dec 2006 - Mar 2010
Jan 2007

23000 mi
Door rattle from faulty latch. replaced Dome light out. Replaced. 

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2006 Audi A4 / S4 / RS4 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 Audi A4 / S4 / RS4 problems occur, check out our car reliability stats.