Go Back   AudiWorld Forums > Audi Models > Audi A4 > A4 (B6 Platform) Discussion
Sign in using an external account
Register Forgot Password?


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

Welcome to AudiWorld Forums!
Welcome to AudiWorld.com.

You are currently viewing our forums as a guest, which gives you limited access to view most discussions and access our other features. By joining our community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join the AudiWorld Forums community today!


Reply
 
 
 
 
LinkBack Thread Tools Search this Thread Display Modes
Old 02-26-2011, 05:07 AM   #1
AudiWorld Newcomer
Account #: 208833
 
Join Date: Feb 2011
Posts: 2
Default Sputters, loss of power and burning smell?

I'll try to keep this short and sweet. I have read a few forums but I wanted to put my specific situation up.

I experienced some massive sputtering the other day and loss of power. Took it in and replaced 3 ignition coils. Ran perfect....for 2 days. Started having the same problem again. The sputter isn't constant this time, but randomly as I need power from the engine. Code finally same on. 1 cylinder misfire. Not sure if it's the 1 I didn't replace before, but that's odd that 3-4 went bad randomly all at once. Also pull secondary air flow(P0411) and another airflow notice.

I can do the coil myself if that's the problem, but I don't want to keep dropping money in them if they are going to be going out a lot because of another problem. There is also a burning plastic/rubber smell from the engine now too? Not sure if that's related.

Thanks for any ideas or suggestions
Invertediq is offline   Reply With Quote
Old 02-28-2011, 04:24 AM   #2
AudiWorld Super User
Account #: 178332
 
Join Date: Feb 2010
Location: Fort Worth, Tx
Posts: 2,022
Default

When you combine the burning smell and misfire, I would start with the last coilpack. Not sure why they didn't replace them all to begin with. If that doesn't solve it, then you probably need to trace the coilpack harness, but those burning are pretty rare.

As far as the secondary and other code, it is generaly the pump itself, but I would start by looking for a leak from the vacuum lnes in that area. The secondary air pump is below the turbo (I assume you have a 1.8 based on your coilpack comments) and looks like the attached. What generally happens is the case starts coming apart. If that is your problem, replace the combi valve at the same time.

http://www.ecstuning.com/Audi-B6_A4-...dary_Air_Pump/
lyleswk is offline   Reply With Quote
Old 02-28-2011, 08:33 PM   #3
AudiWorld Newcomer
Account #: 208833
 
Join Date: Feb 2011
Posts: 2
Default

Ok, I got new plugs for the heck of it. Replaced them all and switched the one coil that was still throwing with another. So far so good. We'll see what happens over the next few days.

I detached the hose coming out of the air pump and it was blowing very well, which leads me to believe either a post pump hose is bad/off or it's the combivalve itself. Sound right?
Invertediq is offline   Reply With Quote
Old 03-01-2011, 04:05 AM   #4
AudiWorld Super User
Account #: 178332
 
Join Date: Feb 2010
Location: Fort Worth, Tx
Posts: 2,022
Default

Sounds right. Let us know.
lyleswk is offline   Reply With Quote
Old 03-03-2011, 12:33 PM   #5
AudiWorld Member
Account #: 67508
 
Join Date: Dec 2003
Posts: 134
Default

Quote:
Originally Posted by Invertediq View Post
I'll try to keep this short and sweet. I have read a few forums but I wanted to put my specific situation up.

I experienced some massive sputtering the other day and loss of power. Took it in and replaced 3 ignition coils. Ran perfect....for 2 days. Started having the same problem again. The sputter isn't constant this time, but randomly as I need power from the engine. Code finally same on. 1 cylinder misfire. Not sure if it's the 1 I didn't replace before, but that's odd that 3-4 went bad randomly all at once. Also pull secondary air flow(P0411) and another airflow notice.

I can do the coil myself if that's the problem, but I don't want to keep dropping money in them if they are going to be going out a lot because of another problem. There is also a burning plastic/rubber smell from the engine now too? Not sure if that's related.

Thanks for any ideas or suggestions
I have been having very similar issues. I had to get a vacum replaced b/c I could hear air blowing out and making a hissing noise. It eventually led to sputtering. I also had occaisional burnt oil smell and discovered oil on various parts of my engine. Ended up being Cam tensioner, Cam valve and an oil plug. Give a good look around. I'm now working on new sputtering with cylinder misfires although coilpacks were replaced in July. Good luck.
supawyde is offline   Reply With Quote
Old 04-25-2011, 01:54 PM   #6
AudiWorld Newcomer
Account #: 212540
 
Join Date: Apr 2011
Posts: 1
Default

i have a 1.8t replaced bad coilpack,sparkplugs,wiresstill got loss of power.no spark from sparkplug.can someone help please.
fatbo is offline   Reply With Quote
Old 04-25-2011, 03:37 PM   #7
AudiWorld Newcomer
Account #: 212558
 
Join Date: Apr 2011
Location: wichita, KS
Posts: 4
Default More problems....

I have 2002 A4 1.8T Quattro which has run 113K miles. I bought it in first week of march this year with 111K miles on it. The previous owner had changed just one ignition coil(2nd coil from the front).After I bought the car I got the timing belt and water pump changed and the next day the check engine light turned on.
When I got the codes checked, it said the secondary air injection problems. I took it to the same mechanic I got the timing belt changed to fix the check engine light and he said there was a vacuum hose that he replaced and its fine.

But the check engine light came on again and problems started continuing. I am not sure if its the vacuum that is creating the problem. The initial movement of the car is not a problem the clutch is smooth, however after 2000 rpm, the rpm on tachometer just starts revving up during movement but there is no power transferred to the wheels. I smelt the asbestos burning smell a couple of time when the rpm went high. I am not sure if it is the turbo or the vacuum problem (from secondary air injection check engine code) or the clutch that is causing the issue. I dont feel the slipping of the clutch, but its only at higher rpm that the rpm reading just jumps higher (like revving during idle) without transferring any power to the wheels and this happens at all the 5 gears.

IS there a connection between timing belt and problem I am facing now. To add to this the mechanic changed the timing belt without removing the bumper and the radiator and other parts to access the front end of the engine. ( I had read the procedure of changing timing belt which is laborious and needs lots of parts to be taken out to reach to timing belt)

Can I get suggestions on how to deal with the issue??
Thank you!!!
sachinsb is offline   Reply With Quote
Old 04-26-2011, 03:45 AM   #8
AudiWorld Super User
Account #: 178332
 
Join Date: Feb 2010
Location: Fort Worth, Tx
Posts: 2,022
Default

Have you had the codes downloaded since the SAI work?
lyleswk is offline   Reply With Quote
Old 04-26-2011, 09:50 AM   #9
AudiWorld Newcomer
Account #: 212558
 
Join Date: Apr 2011
Location: wichita, KS
Posts: 4
Default

Quote:
Originally Posted by lyleswk View Post
Have you had the codes downloaded since the SAI work?
Yes.. I even got it checked now. The code is 'P1141'
and this is the only code that has been popping up which is related to secondary air injection system issue.

I am driving a stick shift for the past 6 years and am pretty sure it is not a prolem with the clutch. however with the problem i have right now wearing out of the clutch is gonna happen for sure.
I also noticed today morning that I am not getting any hot air from the air vents.

Thank you.
sachinsb is offline   Reply With Quote
Old 04-26-2011, 10:56 AM   #10
Audiworld Basic Sponsor
Account #: 207873
 
ECS Tuning-Audi's Avatar
 
Join Date: Feb 2011
Posts: 4,563
Default

Could be the coolant temperature sensor. Ive heard of these causing issues with cars running rough like you have described.

Jason
ECS Tuning-Audi is offline   Reply With Quote
Old 04-26-2011, 10:56 AM
AudiWorld
Audi R8




Paid Advertisement
 
 
 
Reply

Tags
1999, 80, a4, audi, burning, burnt, engine, loss, power, rough, running, smell, sputtering, sputters, tt


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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



All times are GMT -8. The time now is 08:31 PM.


Copyright 2014 AudiWorld.com Audi Enthusiast Community