I am experiencing a very strange problem with Google tag manager (GTM), Google analytics (GA) and Google adwords. So far I am getting nowhere with solving it.
Th
I'm facing the same problem (currently implementing the solution.. only did some research) and it might have something to do what Google only is mentioning in their docs briefly, namely: Do not create new trackers. GTM does create a new tracker each time..
Possible solution
Do not let GTM initiate a new tracker each time but set trackerName in GTM like 'spaTracker' for your Single Page App.
All credits go to Thyngster.