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


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