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Guys,

i just installed a set of Deatschwerks 555cc injectors into my RB25DET.

the car starts but doesnt hold the idle and shuts down after a few seconds. Ive checked, theres no fuel leak or anything thats disconnected.

I followed paulr33's guide on how to change injector values in the PowerFC but im not even sure im correct.

The new injectors are 555cc with latency of 0.75 was what i was told from the guy who sold me these.

this is what i put:

Correction: 67%

New latency: +0.22

Please help!!

have you checked all connections? plugs? leads?

checked fuel lines? checked plenum/throttle body?

any sensor names highlighted in black? (black background)

what are the values for (at ON but not started)

AF-1

THRO

BOST

WTRT

02-1

EXTM

SETTING, AIRFLOW - whats set here?

have you checked all connections? plugs? leads?

checked fuel lines? checked plenum/throttle body?

any sensor names highlighted in black? (black background)

what are the values for (at ON but not started)

AF-1

THRO

BOST

WTRT

02-1

EXTM

SETTING, AIRFLOW - whats set here?

this is when the car is ON but not started.

AF-1 - IGN and ECC are black

THRO

BOST

WTRT

02-1 - NTR is black

EXTM

SETTING, AIRFLOW - number 3 ( i have a Z32 AFM)

put a wideband o2 sensor up the exhaust and check mixtures, maybe its lean or too rich?

also are the fue lines on the correct way on the rail entry/exit connections?

the car doesnt start up to meaure the mixtures

the fuel lines. i have it set up as from Fuel filter to the pipe that goes to the back of the fuel rail and the other hose from fuel pressure regulator to the other regulator looking thing above the fuel filter

the car doesnt start up to meaure the mixtures

the fuel lines. i have it set up as from Fuel filter to the pipe that goes to the back of the fuel rail and the other hose from fuel pressure regulator to the other regulator looking thing above the fuel filter

I know this sounds stupid, but when I did some work in that area I left the AAC valve unplugged and yeah, it wouldn't idle.

Plugged it in and off it went.

It was on there, just not pushed down enough for contact

  • 4 weeks later...

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