+1 for Skippy. As long as it runs well, does not make any funky noises and as you said, the pressure never went below one bar above idle speed, I think you are ok. Just monitor for a bit until you are comfortable things are ok.

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2012 Mercedes ML350 Bluetec 102K (hers)
2005 Corvette 55K (fun car)
2002 VW Jetta TDI 238K (mine)
1998 Volvo S70 T5 Turbo 211K (kids)
1994 Ford F150 4WD 246K (firewood hauler)
1983 Mercedes 300D 384K (diesel commuter)