Post by
Ace2cool »
https://forums.nicoclub.com/ace2cool-u95120.html
Mon Feb 28, 2011 2:44 pm
When my boost gauge stopped reading on my TT, turned out to be a vacuum cap had blown off during boost. found a cap, capped it, and has been fine ever since. Not sure about the torque gauge, but I'd suggest looking for a boost leak.