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Q. A positive (+) reading of short fuel trim indicates:

1. SHRTFT is reducing fuel2. SHRTFT is adding fuel3. O2 sensor signal is rich condition

Automotive Technical Issues Trainers Technics Technical Support
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Question added by Abdulrahman Alsafadi , field operations manager , Jaguar Land Rover Mohammed Yousuf Naghi Motors
Date Posted: 2013/11/14
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NITHISH GEORGE NINAN
by NITHISH GEORGE NINAN , CONTRACT EMPLOYEE , HCL TECHNOLOGIES

Short term fuel trim is immediate changes in fuel occuring several times per second. A positive reading shows 2. Adding fuel for a short time period (may be less than a second too).

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