Originally Posted by
oldford
Fuel pressure is a bit high for a stage 1 which normally uses the standard pressure.
Standard fuel pressure is 50 psi (3,5 bar) with regulator disconnected.
Check with castle what fuel pressure you should use.
Or try a standard chip at this pressure and then the standard pressure.
N.B.: Even with this fuel pressure you should not get misfires due to over fueling.
If it's only with the castle chip then I would recommend to find another supplier.
Thanks for reply ,
The pressure was 45psi at idle so I bought a new pump and prefilter as my old 044 pump was noisy ! it increased the pressure but the faults still there.
I've tried another ecu with a unknown stage one chip but again no different.
I don't have a standard chip to try unfortunately so I cant say for sure. ive not adjusted the regulator and it still has the factory seal but mine does seem to be high if it should be 50 disconnected and mines 60psi.
Thanks again for the input
cheers Paul