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i put a rb25det version1 in a r32 sky...i kept the rb20det loom exept for the injector clip,i trim to fit the rb25 injector plug in my rb20 wiring to fit the rb25 injector...so now the trouble is when i crank i have spark on plug and signal on injectors but wont open for fueling in engine. the fuel pressure is good only if i put visegrip on the return line(yes the fuel line are connect right way)55lbs fuel pressure

i try both computer rb20 and 25,other cas but no fuel again

please help

so if you keep the vise grips on the return hose will it start?

doesnt the RB20 have a dropping resistor for the injectors in the harness?

no the only thing the vise grip do is maintin the fuel pressure to 50-55psi and for the resistor i dont know thats why im asking

thanks

the fuel pressure is good only if i put visegrip on the return line(yes the fuel line are connect right way)55lbs fuel pressure
Then the regulator is stuffed. Try swapping the regulator from your 20.

spray some carby cleaner or start ya bastard into the throttle body while cranking and see if it fires.

take off the fuel pressure line and put into a bottle and check that there is plenty of flow from the fuel pump. might be too weak.

check power to the injectors and negative pulse at the injectors with a LED test light,

if thats good then more than likely the injectors are seized

ok so i have good pression from the fuel pump and she working in my 240 sr20det without prob.

i have pusle at the injector but dosent click loud

if this possible that the 6 injectors are seized????

if a shoot carbcleaner in the intake the motor want but dosent start

and what the matter with pin 112 and 114 : i need to cross them or not...anyway both way dosent start

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