by Jeff
(Hixson, TN)

If I were to get an FS2 chip for the OBDII port, do I still need an EFIE for my 2008 Ford F 150 4.2L V6? I already ordered the latter.

Comments for EFIE of FS2

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Response From
by: Hydrogen-Generators-USA.com

No you would not also need the EFIE.
The FS2 is dynamic - which means the FS2 will consider oxygen levels in the exhaust, along with engine speed and load, intake air temperature and volume, and many other variables to establish the most efficient fuel delivery rate and timing at up to 256 separate load points.

Thank You

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