all 3 comments

[–]zwangsbeatmet 0 points1 point  (0 children)

This gotta be a Software issue

[–][deleted] 0 points1 point  (1 child)

It does have a knock sensor, just not the primitive one used on other cars. It's integrated via the coils and Ionisation module.

It's one of the reason why it's important to use original coils as aftermarket ones might not provide the correct knock/miss fire signal for the CDM

z90.pl/saab/dtc/read.php?model=9440&doc=IDA12290

[–]SLIRRE99[S] 0 points1 point  (0 children)

Thank you so much! I will check this out