TROUBLE CODE 27- INJECTOR OUTPUT CIRCUIT NOT RESPONDIN

  • Tiny
  • WOODY863
  • 1992 Dodge Dakota
  • 80,000 miles

Not sure what and/or code means or where to look to fix the engine is a 5.2L just bought the truck not real sure on the history, I do know it has a rebuilt trans, other than that the engine looks clean ( not dealer clean ).

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Sunday, March 11th, 2012 AT 8:26 PM

3 Replies

  • Tiny
  • rasmataz
  • Member

DTC 27 Injector #1 control circuit. Injector output driver does not respond properly to the control signal.

Check wiring back to the computer and injector driver circuit

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Sunday, March 11th, 2012 AT 8:41 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Clear the code and retest. If problem comes back you wuold need to performs test to diganose the problem.

TEST NS-5A - REPAIRING FAULT "FUEL INJECTOR CONTROL CIRCUIT"

Turn ignition off. Disconnect injector No. 1 connector. Turn ignition on. Using DRB-II, actuate fuel system. Place DRB-II in voltmeter mode. Probe Dark Green/Orange wire in injector connector. If voltage is less than 10 volts, repair open Dark Green/Orange wire. If voltage is 10 volts or more, replace engine controller.

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Sunday, March 11th, 2012 AT 8:43 PM
  • Tiny
  • fixitmr
  • Member

Running ok? Could be out of spec injector(s) or wiring/plug/ECM issue.

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Sunday, March 11th, 2012 AT 8:50 PM

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