S15 SR20 injector uupgrade

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Posts: 1
Joined: Fri Apr 19, 2019 11:35 am

S15 SR20 injector uupgrade

Postby jbirmo12 » Fri Apr 19, 2019 11:46 am

Hi guys,

Having a bit of trouble starting my S15 after upgrading injectors, hoping someone can help me out.
Its a JDM s15 running a stock sr20det, basic bolt ons but mostly stock. Using a platinum pro plugin, which I have been using the haltech provided base map, has been running awesome. I upgraded to a walbro 255 pump, and ran the engine following that to make sure everything was ok, ran great as usual (still running the stock FPR). Then upgraded to a set of JECS 850cc sidefeed injectors. The base tune uses VE, so I have adjusted the injector flow rate and dead time to suit the new injectors, but not altered the fuelling tables. I also reduced the cranking injection time by 43.5% (Percentage that new injectors are bigger) as that table is still measured in ms.

Car will now not start, is there anything that I am missing or haven't set up correctly for the new fuel system?

Any ideas or thoughts would be greatly appreciated

Cheers guys

Posts: 3
Joined: Wed Apr 24, 2019 2:37 pm

Re: S15 SR20 injector uupgrade

Postby turboesky » Wed Apr 24, 2019 4:19 pm

Are they new injectors?
can you confirm the injectors are actually opening?

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