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P0206CriticalFuel System

P0206: Injector Circuit/Open - Cylinder 6

4 vehicles · 3 makes · $100-$5,000 repair

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P0206 is an OBD-II diagnostic trouble code meaning “Injector Circuit/Open - Cylinder 6.” The fuel injector circuit for cylinder 6 has an electrical fault. V6+ engines only. This code appears across 4 vehicle models from 3 manufacturers, with repair costs ranging from $100 to $5,000.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (4)
  • Related Codes
  • FAQ

Makes

  • Chevrolet1
  • Ford2
  • GMC1
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Common Causes

1Failed fuel injector
2Open circuit in wiring
3Corroded connector
4ECU driver fault
5Heat damage to harness

Typical Repair Cost

$100 - $5,000

Based on 4 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P0206, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
Check Price on Amazon
Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
Check Price on Amazon
Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
Check Price on Amazon
Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected (4)

Silverado 2500HDModerate

Injector Wiring Harness Chafing (Duramax)

2001-2016$100-$8000 reports
TransitCritical

Fuel Injector Failure and Rough Running (EcoBlue Diesel)

2017-2023$300-$2,500950 reports
F-250Moderate

7.3L IDI/Powerstroke Injector Failure

1990-1998$800-$2,5000 reports
Sierra 3500HDCritical

Diesel Injector Failure Causing White Smoke and Rough Running

2015-2024$600-$5,0000 reports

Related Codes (8)

P0201Injector Circuit/Open - Cylinder 1P0202Injector Circuit/Open - Cylinder 2P0203Injector Circuit/Open - Cylinder 3P0204Injector Circuit/Open - Cylinder 4P0087Fuel Rail/System Pressure - Too LowP0088Fuel Rail/System Pressure - Too HighP0130O2 Sensor Circuit Malfunction (Bank 1, Sensor 1)P0131O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1)

FAQ

What does P0206 mean?

P0206 stands for "Injector Circuit/Open - Cylinder 6." The fuel injector circuit for cylinder 6 has an electrical fault. V6+ engines only.

What are the most common causes of P0206?

The most common causes of P0206 are: Failed fuel injector, Open circuit in wiring, Corroded connector, ECU driver fault, Heat damage to harness. The specific cause varies by vehicle.

How much does it cost to fix P0206?

Repair costs for P0206 range from $100 to $5,000, depending on the vehicle and root cause.

Which vehicles are affected by P0206?

Au7o has documented P0206 across 4 vehicle models from 3 manufacturers: Chevrolet, Ford, GMC.

Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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