hi, i have a 2009 audi a4 2.0 tdi quattro 170bhp caha engine and it very rarely gets up to temperature.
the needle usually gets upto about 80 mark and keeps dropping down slightly, very rarely will it get to 90 and if it does it drops back down shortly after.
i plugged vcds in today after a 20...
I'm looking for some help on my vacuum system.
I have no vacuum whatsoever on the unit I have pictured.
What should I be checking ?
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