Boost gauge showing a vacuum on idle 1.8t

[brianpologti]

Just fitted a boost gauge to my aqu mk4 1.8t in the fpr vacuum line and was wondering is it normal to have a vacuum on idle ,pulled the gauge off and you can feel it sucking , Cheers , boost ti 18 psi abd then drops to 15psi at about 4,500rpm

[speedy]

how do you fit thees i want 1 2

thanks phil

[RTechUK]

Just fitted a boost gauge to my aqu mk4 1.8t in the fpr vacuum line and was wondering is it normal to have a vacuum on idle ,pulled the gauge off and you can feel it sucking , Cheers , boost ti 18 psi abd then drops to 15psi at about 4,500rpm

Sounds spot on to me :-)

[Adam]

Normal

[daz veedub]

yep vacuum on idle

[brianpologti]

Sweet finally getting somewhere with the dam thing, now its got an abs fault now ,