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Hi guys. I'm hoping for some help on a friends car I'm working on. It's not a skyline I know but the principle is the same I'm sure. It's a 1jz gte engine. Have just fitted some sard 660cc injectors (same impeidience as the ones that came out). I know the car hasn't been mapped for the injectors but I'm sure it should still fire up. Lots of cranking but not even a smell of fuel, so am sure the injectors are not opening. I've refitted the old injectors and it fires straight up. Am I right in thinking maybe the fuel pressure isn't high enough to open the larger injectors??? And that raising the pressure with a adjustable fpr could overcome this?? Or is it just that the map won't allow it to run. It's running fcon ecu.

Thanks
Tom
 
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