Rio Cinco L4-1.6L DOHC 16V (2003)
Technical Service Bulletin # 3EN013R
Date: 031001
Engine Controls - Hard Start in Cold Temperatures
VOLUME
3
NUMBER
013 (Revised)
MODEL
Rio
DATE
October 2003
SUBJECT
Rio 1.6L Hard Start
This bulletin provides information related to low ambient hard start in some 2003 and 2004 1.6DOHC Rio models produced between 8/26/03 and
9/4/03. Reprogramming software has been made available for the Hi-Scan Pro for use as a field fix. Use the procedures on the following pages for
reprogramming the ECM to improve the cold hard start condition.
ROM ID INFORMATION
AFFECTED PRODUCTION RANGE:
Rio models produced between 8/26/03 to 9/4/03.
WARRANTY CLAIM INFORMATION:
Reprogramming, Auto., TCU Trouble Code Erase Procedures
REPROGRAMMING PROCEDURE
