NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Runnin Rich!!! (https://www.nopistons.com/2nd-generation-specific-17/runnin-rich-9396/)

CrazyAssRX7 12-15-2002 11:01 PM

Alright people my car is running extremely rich and wasting more gas than ever!!!



is there something i can do to make it run not as rich or could it be something else???

any idas what itcould be or a way to get it cut down on being so rich right now?

Seppuku 12-15-2002 11:02 PM

What kind of mods do you have on it?

CrazyAssRX7 12-15-2002 11:28 PM

port and polish, ram air intake, racing beat headers full exhaust no cats, 10 mm wires and thats about it

Leetheslacker 12-16-2002 12:09 AM

hmm ecu... i think

dr0x 12-16-2002 12:22 AM

Get a s-afc and some dyno time, or meet someone w/ a wideband o2 sensor.

CrazyAssRX7 12-16-2002 09:41 PM


Originally Posted by dr0x' date='Dec 15 2002, 10:22 PM
Get a s-afc and some dyno time, or meet someone w/ a wideband o2 sensor.

s-afc???? and that is....? and ewhat does a dyno time have anything to do with this? and what about if they have a wideband o2 sensor???

Seppuku 12-16-2002 09:49 PM

S-afc is a fuel controller. hes telling you to go to the dyno and tune it all out so your not running so rich.

Fastrotaries 12-18-2002 02:01 AM

i don' t see why you should be running so rich with only those mods. If anything you should be lean. Do you have a FPR on there, or a bigger fuel pump? bigger injectors? your injectors might need to be rebuilt, and balanced. I used to run rich and had my injectors done, then power came back and got better gas mileage. the S-afc is nice, but it would only be a bandage in this situation. Something you should ultimately will need though.

Racer X 12-18-2002 02:43 AM

I agree with fastrotaries.With a port job and exhaust mods your engine should be begging for more fuel.Are you running stock injectors?A S-AFC is a must from the sounds of it.

CrazyAssRX7 01-08-2003 09:14 PM

where do i get a fuel controller from??? and yeah im getting some turbo injectors put in soon and get it tuned all out


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