P0283 - Cylinder 8 Injector Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Dirty Fuel Injector 8
  • Faulty Fuel Injector 8
  • Plugged Fuel Injector 8
  • Fuel injector 8 harness is open or shorted
  • Fuel injector 8 circuit poor electrical connection

Tech notes

Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine Misfire
  • Engine Run Rough
  • Low MPG

P0283 Description

Code P0283 is triggered when the Engine Control Module (ECM) detects a high voltage in the Fuel Injector 8 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.
OBDII Code P0283 - Cylinder 8 Injector Circuit High - AutoCodes.com

P0283 Information for specific makes

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P0283 Comments

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