Audi A4 Warning Lights

Browse Audi A4 Warning Lights questions and answers. Choose a question that matches your symptoms.

78 discussions

I Have A Check Engine Light That Came On Now I Am...

2008 AUDI A4
Hi All, I Have An 2008 A4 2tdi (130000km) It Was Giving An Engine Alarm There After Loosing Power Significantly. Took It Audi For Testing...
3 ANSWERS
Asked by Nkokotd1

Rough Idle And Check Engine Light

2007 AUDI A4
Am A Wholesaler, Bought This Car Listed Above 2wd, 2.0t . It Has A Rough Idle When First Started Then Smooths Out And Drives Great. Codes...
24 ANSWERS
32 IMAGES
Asked by Naser Naser

Persistent Battery Light On My Dash

2007 AUDI A4
I Have Changed The Battery And The Alternator. I’ve Had It Tested And The New Alternator Charges The New Battery But The Light Has Not...
1 ANSWER
9 IMAGES
Asked by BriNaginus

I Bought A 2007 Audi A4 2.0 T 5 Days Ago. Yesterday...

2007 AUDI A4
I Bought A 2007 Audi A4 2.0 T 5 Days Ago. Yesterday While Driving Home The Malfunction Indicator Lamp Came On In A Yellow Color And Stayed...
1 ANSWER
Asked by Brandonweppner

Audi A4 Convertible 2007

2007 AUDI A4
Hi The Emissions Control Light Has Been On In My Audi A4 2.0 Tdi Convertible '07 Plate For A While Now - I Have Had It Looked At Twice And...
1 ANSWER
Asked by lsmythe

What Would Cause A "Drivers Door Open" Light To Remain...

2006 AUDI A4
What Could Cause A "drivers Door Open" Light To Remain On
2 ANSWERS
Asked by capeseniortoo

Code P2181

2006 AUDI A4
Driving Home From Dinner With Friends Last Night The Check Engine Light Came On. Car Is Not Doing Anything Different In Running. We Have...
5 ANSWERS
Asked by kim_albrecht

Check Engine Light

2006 AUDI A4
Driving Home From Dinner With Friends Lastnight The Check Engine Light Came On. Car Is Not Doing Anything Different In Running. We Have Just...
1 ANSWER
Asked by kim_albrecht

Voltage Issue

2005 AUDI A4
When First Bought Was Acting Like Crazy I Knew It Was The Battery, Had It Replaced And All Good. Fixed A Bunch Of Vacuum Hoses, And So On....
2 ANSWERS
3 IMAGES
Asked by divides

While Driving The Oil Light Turned On And Engine And...

2005 AUDI A4
Hi, I Was Driving Down The Motorway When An Oil Pressure Warning Light Came On The Dash. I Started To Lose Power And Power Steering I...
1 ANSWER
Asked by robearp83

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ABS Light OnBattery Light OnBrake Pad LightBrake Warning Light OnCheck Engine Light OnDoor Ajar LightEmission LightGlow Plug LightLow Fuel LightOil Light OnTemperature LightTraction Control Light On

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