Posted on June 8, 2019 by samuel07042012 DD15 Troubleshooting – Section 9.4 Improper Injector Calibration Setting Email This Page Section 9.4 Improper Injector Calibration Setting Check as follows: Test for improper injector setting. Compare the calibration code(s) shown on the Detroit Diesel Diagnostic Link display with the six digit calibration code(s) on the injector(s). If the calibration codes match, check compression pressure; refer to "9.5 Low Compression" . If the calibration code on the display is different then the calibration code on the suspect injector for that cylinder, the injector setting must be reset. EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029 Generated on 10-13-2008