NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Running Lean (https://www.nopistons.com/3rd-generation-specific-18/running-lean-53839/)

BucketFd94 10-20-2005 02:56 PM

I recently got a rebuilt ported(stage1) motor for my 94 fd and the only other mods i have is exhaust and hks intake. The car runs fine for about ten min then it loads up with fuel and wont idle in drive and wont start, also i burned through a quarter tank in 24mi! is there any way to adjust the fuel ratio without buying the programer?

KingFD 10-20-2005 05:39 PM

I don't know what could be causing the problem but as far as I know there is'nt anything that will allow you to change fuel without having a EMS. I could be wrong though.

Fd3BOOST 10-20-2005 09:01 PM

Why would you want a ported motor while you don't have the capability to adjust the fuel and timing? I could understand trying to get away with a couple of bolt on's but seriously man a ported motor on the stock fuel system is just plain goofy.



You could get a programmed ECU but i don't think that would be the best choice. You should get some type of piggy back at the very least.

rotaryinspired 10-20-2005 09:42 PM

stuck open fuel injector possibly. Try some injector cleaner.

sweet7 10-22-2005 03:26 AM

Just buy and Apex'I Power FC. You can get 'em used with the turning console (commander) for $500 or brand new for around $1000. Its a good investment if you dont like motor rebuilds.


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