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Long Term Fuel Trims: A Nod in the Right Direction

by:
ATRA Tech Dept
date:
1/15/2012
issue:
Jan/Feb 2012

Fuel Trim has been available as a diagnostic tool since OBD-II first showed up on your scan tool. Fuel Trim is the term used to describe how the computer controls the amount of fuel being delived to the engine.

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1 Comments

  • by anonymous January 01, 2012 8:42 AM PDT
    This article helped me more fully understand how I can use Long Term Fuel Trims to help diagnose engine performance issues with a current job in the shop. Perfect timing. Thanks for the article. Keep up the great work.

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