OBD Guide

P21EE

Cylinder 10 Injector B Circuit Low

P21EE is an OBD-II diagnostic trouble code meaning: Cylinder 10 Injector B Circuit Low. Common causes: cylinder 10 injector malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power Loss
  • Check Engine Light Is On
  • Misfire in cylinder 10

Causes

  • Cylinder 10 injector malfunction
  • Open or short circuit in control circuit
  • Poor contact in the injector connectors
  • Engine control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check the resistance of the injector of cylinder 10
  2. Inspect wiring and connectors for damage
  3. Check voltage at injector control circuit
  4. If necessary, replace the injector
  5. Check the operation of the engine control unit

Related codes

Error P21EE by Vehicle Brand

FAQ

What does the P21EE code mean?

P21EE is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Injector B Circuit Low

What causes a P21EE error code?

The most common causes of P21EE include: Cylinder 10 injector malfunction; Open or short circuit in control circuit; Poor contact in the injector connectors; Engine control unit malfunction.

How do I fix a P21EE diagnostic trouble code?

To fix P21EE: Check the resistance of the injector of cylinder 10. Inspect wiring and connectors for damage. Check voltage at injector control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P21EE?

Limited driving only, diagnose soon

How much does it cost to fix P21EE?

The estimated repair cost for P21EE is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat