16684 - Random/Multiple Cylinder Misfire Detected

Just finished servicing an Audi A4 (8E) and it has some engine fault codes that are returning.
Is there some more tests or fault finding to be performed or should the coils be changed right away?




VIN: WAUZZZ8E85A416636 Mileage: 170360km-105856miles
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Address 01: Engine Labels: 06B-906-018-AVJ.lbl
Part No SW: 8E0 909 518 AQ HW: 8E0 909 018 B
Component: 1.8L R4/5VT 0010
Coding: 0011711
Shop #: WSC 06325 000 00000
VCID: 7F07FCF52DB616C62F-513C

6 Faults Found:
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 001 -
16685 - Cylinder 1
P0301 - 001 - Misfire Detected
16687 - Cylinder 3
P0303 - 001 - Misfire Detected
16686 - Cylinder 2
P0302 - 001 - Misfire Detected - Intermittent
16891 - Idle Control System RPM
P0507 - 001 - Higher than Expected.
16688 - Cylinder 4
P0304 - 001 - Misfire Detected
Readiness: 0000 1100

Have you logged the misfire counts in ADV measuring blocks and did you check for vacuum leaks of false air?

Please post a complete auto-scan ...........

Component: 1.8L R4/5VT 0010

Click to expand...

Firmware update needed and addressed misfire........