UK Car Repair Questions? Ask a Mechanic for Answers ASAP
Hello and thank you fr your questionNormal oil pressure on the ESV should be right at 25 to 30 PSI at idle and hold steady. Have him remove the oil pressure sending unit and install a oil pressure gauge and monitor the oil pressure. If the oil pressure checks okay with the gauge in place then you likely have bad oil pressure sending unit which is fairly common on this engine.