2004 S4 Avant - intermittent starting problems - AudiWorld Forums

Go Back   AudiWorld Forums > Audi Models > Audi A4 > A4 (B6 Platform) Discussion
Log In 

A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

2004 S4 Avant - intermittent starting problems

LinkBack Thread Tools Search this Thread
Old 03-15-2011, 06:41 PM   #1
AudiWorld Member
Join Date: Nov 2010
Posts: 109
Default 2004 S4 Avant - intermittent starting problems

The car:
2004 S4 Avant, 80K miles

The issue:
Car fires immediately after sitting overnight or for more than ~1.5 hours after previous use
Car won't fire immediately after shutdown (ie. stop on the way home for gas)
Car will shut down randomly at stoplights or whenever NOT under any load. This is independent of RPMs (as far as I can tell...I've sat at lights holding 1200 RPM and it has still shut down)
Car will not re-fire after said stoplight incidences (for at least 1 hr)
Car WILL bump start every time with sufficient velocity (includes reverse.)

The owner:
Is bummed!


The fact that it starts every morning and will bu
changoo is offline   Reply With Quote
Old 03-16-2011, 05:47 AM   #2
AudiWorld Super User
Join Date: Feb 2010
Location: Fort Worth, Tx
Posts: 2,226

Mine did this for about a year becoming more frequent recently. Turned out to be the Engine Speed Sensor (analogous to a cam position sensor). It tells the ECU how fast the engine is turning and without it, the car won't start. Again, that VAGCOM download noted in your other thread will confirm this. Take a look at a recent thread on the subject and note the associated codes numbers: 16705 / P0321 and 16706 / P0322.

lyleswk is online now   Reply With Quote
Old 05-04-2011, 05:35 AM   #3
AudiWorld Member
Join Date: Dec 2002
Posts: 142

Have the DTC (diagnostic Trouble codes) read from the computer and go from there
upallnight is offline   Reply With Quote

100, 2004, 2005, audi, avant, b5, failure, intermittent, issues, problem, problems, s4, shut, starter, starting

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Front end shake, looking for input Tahoesilvers4 Audi allroad 19 08-26-2015 06:36 PM
Oil in spark plug Ruben Anaya A4 (B6 Platform) Discussion 3 08-25-2015 08:49 AM
New to me 2004 A4 Cabriolet 1.8T Problems plgomez89 A4 Cabriolet (B6 Platform) Discussion 1 08-21-2015 04:18 AM
trying to identify source of smoke from engine allenst A8 / S8 (D3 Platform) Discussion 8 08-20-2015 07:16 PM
non flashing engine light on jayrose A4 (B6 Platform) Discussion 2 08-13-2015 04:59 AM

All times are GMT -8. The time now is 11:10 AM.

Copyright 2014 AudiWorld.com Audi Enthusiast Community