DD15 Troubleshooting – Section 121 SPN 3659

Section 121
SPN 3659

This SPN indicates the injector #1 cylinder amplifier control valve is not operating normally.‪

121.1 SPN 3659/FMI 14


EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029
Generated on 10-13-2008