FM O2 signal modifier

Ships for free!
75% of 100
IN Stock
Part number
Prevents the stock ECU from pulling fuel under boost.

A stock ECU can pull over 30% of its fuel if it thinks the engine is running rich. The actual amount depends on the model of car. This is a problem when you have a boosted car and you`re trying to deliver more fuel. At best, this means poor driveability until the computer goes into open loop mode. At worst, it can have catastrophic and expensive results. The signal modifier prevents the ECU from seeing a rich condition under boost. Simple installation and no effects when the car is not generating boost. Actually, we recently redesigned it for better reliability, easier installation and a smaller footprint!

A popular addition to cars equipped with Powercard fuel management as this solves a characteristic lean mixture at part throttle. Not needed for the Voodoo Box.

Also very useful for Mazdaspeed MX-5 turbo cars with aftermarket intakes. This helps solve a characteristic hesitation problem that appears when the car spools up faster than stock.

Intended for use only with stock ECU. Not required for cars with full replacement ECUs such as the Hydra Nemesis, FM221 or Megasquirt. If you have a "narrowband" A/F meter that uses the stock O2 sensor, it will read incorrectly when you are in boost - well, more so than usual. Sorry, the little baby Miata is not included.

Please note that we cannot ship this product to California as it will not meet emissions regulations.

More Information
Part number 07-46300
Designed for model year: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004 (non-MSM), 2005 (non-MSM), MSM, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Fits Exocet? Yes
Instructions Click here
California emissions Not emissions legal in California
Manufacturer Flyin' Miata
Proposition 65 Warning: Cancer and reproductive harm
Flyin' Miata exclusive Yes
Write Your Own Review
You're reviewing:FM O2 signal modifier
Your Rating
We found other products you might like!
© Flyin' Miata. All Rights Reserved.