need adjustment help

[carlos 85hotair]

what tool is needed to set the air fuel mixture just installed my gauge it reads very lean(red) need some help thanks:anbet: :anbet:

[Bryan C.]

what tool is needed to set the air fuel mixture just installed my gauge it reads very lean(red) need some help thanks:anbet: :anbet:

It is set in the programming of the chip.

[3point8]

Increase the fuel pressure that should help a lean condition.
Peter

[carlos 85hotair]

my cat is hollow would that cause the crazy idle if not how do u turn up the pressure (fuel)

[Bryan C.]

my cat is hollow would that cause the crazy idle if not how do u turn up the pressure (fuel)

Do you have an adjustable fuel pressure regulator?

[carlos 85hotair]

factory stock

[Bryan C.]

Get an adjustable unit and a fuel pressure gauge you can mount on the fuel rail.