OBD Guide

P0207

Cylinder 7 Injector A Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Misfire in cylinder 7
  • Floating idle speed
  • Deterioration in engine dynamics and power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Cylinder 7 injector malfunction
  • Open or short circuit in the injector circuit
  • Poor contact in the injector connector
  • Faulty injector driver in ECU
  • Oxidation or corrosion of contacts

How to Fix

  1. Check the condition of the wires and connector of the injector of cylinder 7
  2. Measure the injector resistance (usually 12-16 Ohms)
  3. Check the presence of a control signal using an oscilloscope
  4. Test the operation of the injector on a stand
  5. If necessary, replace the injector or repair the control circuit

Related codes

Error P0207 by Vehicle Brand