Can timing cause rough idle?

An engine slightly out of time can idle roughly since the spark is not in sync with the cylinders. Too much timing advance or retardation causes serious drivability problems. Many problems may upset timing. However, the most common is an overstretched timing belt or chain, or a bad tensioner after miles of operation.

What should Revs be at idle in Audi?

Approximately 6k on them now. YOU ARE JUDGED BY THE CAR YOU DRIVE. PCV valve, best way to check is to pull dipstick out with engine runing and if the is no difference in engine idle then its the PCV valve no venting.

Why does my 1.6tdi engine stall at idle?

The car now starts, shoots up to 1200rpm, down to around 600rpm, up and down and often stalls at idle when cold before attempting a restart. Oh dear. No fault codes are present before or after my messing. I am wondering what I have done wrong and if there is any way to back-track on what I did.

Why does my cel go to rough idle and misfire?

There was some oil found on the coilpack when it was pulled out. The car ran fine for a day or so and went back to the rough idle and misfire. My CEL just popped back on as well. It’s throwing codes 300,301,302, and 304. Does anybody have similar experience and were able to find a solution?

When do the Revs settle on an Audi A4?

S3 pedals, 18″ Ronal Audi A4 DTM wheels powdered shadow chrome. Here’s 3 10sec videos which show the engine idling once it’s started, after the revs settle from just over 1k (always happens on the first start with the engine cold) and when the engine is up to temp.

When did Audi TFSI rough idle and fail to start?

This was done when the car was 3 weeks old by a reparable company who have actually won ‘audi tuner of the year’ from 2007 to 2012 so have faith it what work they have done. My dealership told me that because of this map any work carried out on either the engine, gearbox or drivetrain would no longer be carried out under warranty.

There was some oil found on the coilpack when it was pulled out. The car ran fine for a day or so and went back to the rough idle and misfire. My CEL just popped back on as well. It’s throwing codes 300,301,302, and 304. Does anybody have similar experience and were able to find a solution?

What to do if your Audi misfires on a cold start?

Audi issued a TSB about misfires at cold start up, the fix is an updated ECU reprogram. Should be free at the dealer. Audi issued a TSB about misfires at cold start up, the fix is an updated ECU reprogram. Should be free at the dealer.

What’s the code for rough idle and misfire?

There was some oil found on the coilpack when it was pulled out. The car ran fine for a day or so and went back to the rough idle and misfire. My CEL just popped back on as well. It’s throwing codes 300,301,302, and 304.