First steps on why I'm running to Rich

06-13-2017 | 07:05 PM

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First steps on why I'm running to Rich

I have a 2000 Pontiac Firebird LS1 it is running real rich I have poor gas mileage I'm wondering what would be my first steps to figure it out

06-14-2017 | 12:24 PM

TECH Senior Member

Joined: Jun 2016

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From: Central Cal.

Oxygen sensors

06-14-2017 | 02:12 PM

TECH Senior Member

Joined: Apr 2002

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From: So.Cal.

Take a snapshot using a scantool to see what the trims and other parameters are indicating.