Question about 2001 Audi S4

Open Question

To fix codes 2001 audi S4

My 2001 Audi S4 is throwing these codes and would be thankful for any help to fix these. 17528- o2 sencor heater circuit, Bank 2 - sencor 1 open 16538- o2 sencor cicuit, bank 2 sencor 1 no Activity detected 17867 - Exuast gas temperature control Bank 2 Range/ performance 17965- charge pressure controler positive deviation 17521- bank 1 - sencor 1 internal resistance too high thanks for any help

Posted by on


3 Suggested Answers

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

tragedy lok
  • 266 Answers

SOURCE: I am getting 2 EGT fault codes on my 2001 Audi S4

check for continuity with a meter

Posted on Aug 25, 2009

  • 207 Answers

SOURCE: po140 02sensor ckt no activity


Posted on Mar 30, 2011

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

A6 turbocharged. Whyu does it smoke when it covers a 120km per hour?

I am going to say 'blown turbo'. As I understand it, they needs replacing every few years. They are susceptible to heat and incredible revolutions. They have to be lubricated, the seals go, and you get smoke.

Mar 20, 2016 | Audi Cars & Trucks

1 Answer

On the audi a4 2003 what are the codes P 0135 and P0234?

Code P0135 -
Oxygen O2 Sensor Heater Circuit Malfunction (Bank1, Sensor1)

P0135. Turbo boost pressure too high.

O2 sensor heater malfunction: ...Check all fuses. If good, replace O2 sensor.

Over boost: Check N75 Boost control solenoid and all vacuum hoses to and from N75.

Oct 30, 2013 | 2003 Audi A4 Cabriolet

1 Answer

Exactly what is the procedure to efficiently replace the Audi S4 alternator

Audi S4 V8 engine 4,2 liters alternator:
1. You need radio code
2. Disconnect car battery
3. Release tensioning roller
4. Remove ribbed v-belt
5. Detach electrical connexions from the alternator
6. Remove fastening alternator screws
7. Pull out the alternator
8. Install new alternator on the bracket
9. Refit all in reverse order
10. After battery connection you must set up radio code
11. Check up electrical supply from the alternator with a multimeter in parallel connected on battery: around 14 Volts tension voltage value, engine at idle runing.

Dec 29, 2009 | 2001 Audi S4

1 Answer

My battery in my 2002 audi s4 died now the radio

probably need a security code to unlock it after the dead battery, check in your owners manual or other paperwork that came with the car the code should be there somewhere. If not you may need to contact your local dealer. Hope this helps

Dec 08, 2009 | 2001 Audi S4

2 Answers

2001 Audi S4 Heater doesn't work

Thermostat has failed (stuck open) and needs replacement. It's a big job (5-6 hours charged labor for a shop), and requires the front of the car to be removed. Here's a pic of my car (B5 A4) a few weeks ago when I changed mine:

There's no way around it either - removing the front of the car is the only way to access it.

Oct 13, 2009 | 2001 Audi S4

1 Answer

I have an audi a4 1998 and i have been converting it to a s4

Sorry!.. The information you seek is 'PROPRIETARY'.. meaning it's a secret by the manufacturer. If you really want to fix it yourself?, then contact the manufacturer.

Sep 10, 2009 | 2002 Audi S4

1 Answer

Short in seat heater (2001 Audi S4)

Replace it or not use it, heater grid is not fixable. trust me on this.

Jun 12, 2017 | 2001 Audi A4

Not finding what you are looking for?
2001 Audi S4 Logo

Related Topics:

82 people viewed this question

Ask a Question

Usually answered in minutes!

Top Audi Experts

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers


Level 3 Expert

76051 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

14362 Answers

Are you an Audi Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides