Audi S3 2018. Light shiver/ rough idle upon start up
01-08-2019, 08:14 PM
#1
AudiWorld Junior Member
Thread Starter
Audi S3 2018. Light shiver/ rough idle upon start up
A few questions. I have an Audi S3 2018. Brand new when I got it in November of last year. I did an APR tune stage 1. Car now has 4,194 on it and I知 now noticing my car is idling rough upon cold starts. It also misses slightly here and there during the warm up and when it isles down it痴 idling rough. I知 not sure if I should take it into the dealer and have them look at it or if I should hold off because this is normal or something? I知 also concerned if they do a diagnostic, the flash will show up and I知 SOL afterwards. Any suggestions on this?
thanks..!
thanks..!
01-08-2019, 08:43 PM
#2
AudiWorld Member
Join Date: May 2017
Location: Snohomish, WA
Posts: 92
Likes: 0
Received 0 Likes
on
0 Posts
Take it back to the shop you had the tune done at and tell them what's going on. Do you have the latest version of the tune? Maybe there's an update that will fix your issue.
01-08-2019, 09:23 PM
#3
AudiWorld Junior Member
Thread Starter
Thsnks,
01-09-2019, 09:41 AM
#4
AudiWorld Member
My suggestion - Have a discussion with "the shop" and request them to put the stock tune back on the car. If the problem goes away, then you know that it's the APR tune causing your issue and ask "the shop" to waive your diagnostic fee (you, the shop, and APR will then need to work on a solution). If the problem does not go away, then pay for the diagnostic fee and take the car to the dealer for a proper diagnostic with your stock tune - not sure if the dealer can tell if you had flashed your car even if you put it back to stock...this is something you may want to discuss with "the shop"
Last edited by XMetal00; 01-09-2019 at 09:45 AM.
01-10-2019, 04:13 PM
#5
AudiWorld Super User
My suggestion - Have a discussion with "the shop" and request them to put the stock tune back on the car. If the problem goes away, then you know that it's the APR tune causing your issue and ask "the shop" to waive your diagnostic fee (you, the shop, and APR will then need to work on a solution). If the problem does not go away, then pay for the diagnostic fee and take the car to the dealer for a proper diagnostic with your stock tune - not sure if the dealer can tell if you had flashed your car even if you put it back to stock...this is something you may want to discuss with "the shop"
02-02-2019, 05:15 AM
#6
AudiWorld Member
I have a stock 18 S3 that also has a slight shiver on cold start. So far it seems to go away after a few minutes. No missfire as far as I know. Can you see any and all missfire events on an OBDeleven?
Trending Topics
10-06-2020, 02:30 PM
#8
AudiWorld Newcomer
Join Date: Oct 2020
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
I too have the issue of intermittent rough idle on startup, until the oil temp reading registers on the dash, also coupled with random Start Stop and Cruise control deactivation error messages and advice to visit a dealer. Once the opil temp is warm the rough idling goes away. did anyone find a cure and what was causing the issue?
04-15-2022, 06:31 AM
#9
AudiWorld Newcomer
Join Date: Apr 2022
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
I too have the issue of intermittent rough idle on startup, until the oil temp reading registers on the dash, also coupled with random Start Stop and Cruise control deactivation error messages and advice to visit a dealer. Once the opil temp is warm the rough idling goes away. did anyone find a cure and what was causing the issue?
