Looking for ideas on where to look to slove my low idle cold start issue
It has since subsided since the morning though
The high idle is normal on cold starts in case you didn't know
It should last for around a minute then drop down to ~780
Cold start issues can be related to various factors including fuel quality, battery condition, and engine calibration
Some vehicles have specific modes or adjustments for cold starts, such as.
The most common reasons a audi rs3 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil
Proper diagnosis will determine the exact cause of your symptom,.
Learn how the cold start process works and diagnose the hidden air, fuel, and ignition weaknesses causing the problem.
Not sure about the cold start (not cold enough here), but that sounds like it could be a fuel pump issue, which could be exacerbated by the cold weather
If it happens again, you should have it checked out.
Carbon buildup, failing sensors, vacuum leaks, fuel delivery issues, or worn components create rough idle until heat changes their behavior
I have a 2023 rs3 about 3 times now when i start the car, it idles very rough like it is misfiring and i get a drive malfunction message
I immediately shut the car off and after waiting a few.
Di engines, vw/audi in particular and i suspect others use method on cold start to quickly warm the emissions system and engine
This causes rough running at idle and is to be expected.
Problem were a rough idle then.
I got a 2006 a4 b7 bought off the original owner a while back, has 208k on it as of now 2.0t 6 speed, runs and drives perfect, just recently had the cam chain and tensioner replaced.
If you notice a check engine light coming on (either constant or intermittently) or your car has a rough idle, then you could also have a faulty o2 sensor
Rough idling, bad fuel economy, and a.