18-09-14, 10:34 AM
Think you will find its the exup solenoid that makes a whirring sound-its positioned under front of fuel tank. however sound of this may be masked by electric fuel pump.
The exup valve itself is often neglected as it doesnt even feature in the routine service schedule. Hopefully the cover bolts undo without difficulty-they are best replaced with stainless steel ones. The service procedure is well explained elsewhere on the forum.
And yes the valve does affect performance. Let us know how you get on. Good luck.
The exup valve itself is often neglected as it doesnt even feature in the routine service schedule. Hopefully the cover bolts undo without difficulty-they are best replaced with stainless steel ones. The service procedure is well explained elsewhere on the forum.
And yes the valve does affect performance. Let us know how you get on. Good luck.