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Idle speed fluctuation

jamesk891

New member
Location
Adelaide
I recently had my 2015 golf serviced, and mentioned to the mechanic how I had two cases where on start up there was some fluctuation in rpms 800 - 1200rpm then it would settle down after about 10seconds. It happend while I was still in park and once when in reverse. They ran a diagnostic on the car, but could not find any problems. Any idea why this would be the case. Should I chase this up with the dealer as the car is less than a year old and therefore still under warranty.
 

GTI Jake

Autocross Champion
Location
Charlotte, NC
Try to track the issue a bit longer first. Does it only do it on cold start? Is this AC on or off? High idle on cold start is normal, as is a little fluctuation with a load on the engine (AC on Max) esp at start.
 

jamesk891

New member
Location
Adelaide
Both times the a/c was off, and in both cases there was a noticeable vibration felt through the pedals.

Sent from my GT-N8010 using Tapatalk
 

Bricktops

Passed Driver's Ed
Location
California
I recently had my 2015 golf serviced, and mentioned to the mechanic how I had two cases where on start up there was some fluctuation in rpms 800 - 1200rpm then it would settle down after about 10seconds. It happend while I was still in park and once when in reverse. They ran a diagnostic on the car, but could not find any problems. Any idea why this would be the case. Should I chase this up with the dealer as the car is less than a year old and therefore still under warranty.
My car just started doing this. Did you fix the problem?
What was the outcome.
 
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