Your making something out of nothing. The Oil pressure gauge (i'm assuming) is always pegged on cold start up. once warm, it should be around 2 bar until you punch the gas, then it will be 3 agian. Nothing to worrie about, just regular operation.

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1983 Euro 240D 277K
2016 Mazda 6
Coming Soon, 2013 Mercedes E350 Bluetec
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