P1216 OBD Code Definition:
P1216 Injector Circuit No. 4 (Bank i)
P1216 OBD Code Description:

Possible Symptoms

• MIL On
• Poor engine performance

Possible Causes

• Fuse for injector
• Wiring harness issue
• Failed injector
• Failed ECM

Possible Solutions

• Short to B+ (max)
• Check the wiring -check functionality in diagnosis mode