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Model specific boards => Golf mk4 => Topic started by: reedy20vturbo on 07 January 2015, 20:17

Title: Boost and vacuum pressure on my aum
Post by: reedy20vturbo on 07 January 2015, 20:17

Hello, I've recently fitted a boost gauge and am wondering what the average boost levels and vacuum levels are on the aum?  I always get 9 psi when booted until about 5k and it slowly dies down can't remember my vacuum level, just wanted to know what others are getting, cheers

Title: Re: Boost and vacuum pressure on my aum
Post by: brewey on 07 January 2015, 22:37

If your car is standard (map wise) which I'm guessing it is then that's what is expected. In terms of vacuum you should see a reading anywhere between 20-25.

Title: Re: Boost and vacuum pressure on my aum
Post by: reedy20vturbo on 07 January 2015, 23:20

It is standard mate, Im getting 30 at idle that must mean I have a vac leak somewhere?

Title: Re: Boost and vacuum pressure on my aum
Post by: brewey on 07 January 2015, 23:32

No if you had a vac leak then the needle would be bouncing between numbers not just sitting at 30.