Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [a4]

Use this tag for questions about the Audi A4 sedan.

The Audi A4 is a compact executive car made by Audi, a subsidiary of VW.

37 questions
11
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5 answers

Should rotors with rust on the rims but not the faces be replaced along with the pads?

I have an Audi A4 with approximately 35k miles. My dealership has recommended that I replace both the brake pads and the rotors and helpfully forwarded a picture to me of the rotors indicating the rust around the edges. My understanding from doing a…
Bryan
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6
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2 answers

RPM fluctuation when maintaining speed in high gear

I recently got an oil change on my 2008 Audi A4 Quattro. Now I notice that when I am cruising in 3rd, 4th, or 5th gear (but not 6th), and I am at about 1200 RPM, the tachometer is not stable. The speed is stable, but the car starts to shake back…
KingsInnerSoul
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6
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1 answer

2000 Audi A4 1.6 weak motor power

Just few days before I wanted to take Audi A4 B5 1.6 (year: 2000) to 'preventive' service. I've started the car normally, only the motor sound was very weird. So I tried to make a test drive. I couldn't reach any higher/normal speed. From the car…
balex
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5
votes
1 answer

AUDI A4 2009 1.8 TFSI engine compatibility (swapping engines)

I have a 2009 A4 1.8 TFSI Basically, I need a new engine. On searching I have been told a CABA Engine will fit even though my engine is CDHA. I have been offered two CABA engines but can't find any CDHA engines so am now wondering if I can just…
user21568
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4
votes
0 answers

What are cam slide adjusters?

I am replacing the timing chains and guides. All the data refers to the use of cam pins. Other sources say these pins are used for basic setting of cam slide adjuster? The car is an Audi A4 2.0 Turbo Quattro
Paul
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4
votes
2 answers

Audi A4 2007 2.0T boosts but poor performance, fuel economy

My 80,000 mile 2.0TFSI Turbo Audi has lost a lot of performance but produces no check-engine-light (CEL) or codes. One month ago an independent garage looked at it and did $2200 of work including transmission fluid, air and fuel filters, new sparks…
Alex Brown
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4
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3 answers

08 Audi A4 B7 2.0T DTC P0503 speed sensor erractic/high

I just finished reinstalling the intake manifold after cleaning the valves and went to start the car. It starts for about 2 seconds before shutting itself down. It throws 6 pending codes. P0503 - Speed (RPM) sensor…
user2682863
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3
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0 answers

Shaking/Vibration in steering wheel & vehicle

I drive a 2006 Audi A4 Quattro 2.0L Turbo vehicle. I bought off a private seller about 8 months ago. The shaking started randomly about 3 months ago. At first, the shaking was only felt in the steering wheel when I would reach speeds between 50MPH &…
Kristina Martines
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3
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0 answers

How to find out if your ECU has been reflashed?

Vehicle 2010 Audi A4 Quattro, 2.0L TFSI engine, automatic transmission, 180,000 km. Recent History Friend bought this car used 2 months ago from a private party. The check engine light comes on with a "bad smell." I had another friend's Jeep stuck…
tlhIngan
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3
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Reverse gear in Auto transmission not properly engaging after pushing car

I have a 1997 Audi A4 quattro that was not driven for a while, It was given to me by a friend who emigrated. All gears were working fine however the battery was flat and the car was parked right up to the wall so i had to push it back to be able to…
Gra
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3
votes
5 answers

Hood sensor latch faulty

I have a Audi A4 B8 2009 model. I am running with a very stupid problem causing a great amount of pain. So, just a few weeks back, the "front hood (bonnet) is open" indication started showing up on the dashboard, even when the hood is shut. Now when…
Vish
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3
votes
2 answers

Audi A4 tick / scratching noise, parking brake fault

So I picked up my 2011 Audi A4 Avant last week, and it's been an extremely good car. The car has followed service intervals, and has current gone about 86,000 km ≈ 53,000 miles. The other day, I got a warning message on the center driver display.…
Erik
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3
votes
1 answer

Push back /Obstruction feeling while braking

I have 2014 Audi A4 and recently I drove on 1 inch snow and on sleet. I noticed when I tried to brake gently, I felt like something is pushing me back for a sec or two. I didn't feel anything while driving on dry surface of road and braking. What…
Tan
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3
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1 answer

Audi A4 B5 (1995) climate control/heater/blower problem

The climate control was nuts all the time since I bought the car few years ago. I have the air conditioning liquid filled. The mechanics said, the pipes are all in good shape, but something is wrong, go check elsewhere, like electrics or stuff. I…
Ashtray
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2
votes
2 answers

Lost bolt for the stabilizer link, what is the risk?

For a while I have heard a knocking noise from my left front wheel when going over a bump in the road. My repair shop found nothing, even vehicle inspection (I’m in the EU) had no complaints related to the suspension. Recently, on a longer trip, I…
user149408
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