Also check the wiring to the fuel pump. On my '93 the pump is external to the tank. Went through a period of occasional power loss and once a rather massive backfire, eventually lost all power. Connection to fuel pump found to be poor.
I think some had a dedicated earth, as always on a Mog the earth may be the cause
JohnV6 2022 CX Plus Four 2025 Renault Scenic Alpine etech "Yvette"
