Hi Liam,

>>> I think the fact that the van runs and drives means that there is a pwm signal to the imv?
You could also check the injector leak off under load conditions. <<<

I'm with Ray on that !!

I'm not fully conversant with Snappy scanners, but presume you can get a duty cycle reading of PWM (shown in %age value) of IMV in live data ?

Would also expect a rail pressure value shown.. What is rail pressure at idle and how does it alter when engine speed / load is increased?
Especially at point where coil light starts flashing..
Would suggest pressure deteriates rapidly around that point ...
May be wrong, but happy to be corrected .
Cheers, Tony