Xavier Smith II

I think mine is master cylinder related as stepping on the brakes HARD send the STFT to 1 0 -1 bank 1 and the ticking stops.

Xavier Smith II

Purge Valve was Ticking -Part ordered

Brake booster vacuum line had a leak “somewhere”- Fixed.

All is well

STFT is now between 0 and 1

Dogtag114

Just to add this for future searches, I just picked my car up yesterday from repair of similar symptoms. For me, the camshaft adjuster unit and position sensor were replaced. Works great now and also fixed the issue I had with some mild stuttering between 1-2k rpms. All pressures checked out ok.