Changing the stock programing on an ECU is complicated and expensive.
That's why chips are so popular of an alternative.
The S-AFC from Apexi is nothing more than an A/F modifier.
And the Contour MAF is only 4 wires.
Frank McCoy aka Mod-deth aka Mid Life Crisis aka SVT Doood aka mcgainer is a SCAM ARTIST
Pre98 Zetec - Some Mods
