P28C1

Symptoms

• Loss of engine power
• Increased fuel consumption
• Unstable engine idling
• Check Engine Light Illuminates
• Possible misfires

Causes

• Problems with Ion Control Module Wiring or Connectors
• Malfunction of the ion control module itself
• Problems with the engine control unit (ECU)
• Short circuit in the module power supply circuit
• Poor ground contact

How to Fix

1. Check the integrity of the wiring and connectors of the ion control module
2. Check the module supply voltage (must meet manufacturer specifications)
3. Check the condition of the module mass
4. If necessary, replace the ion control module
5. Check and, if necessary, replace the engine control unit

Related codes

Error P28C1 by Vehicle Brand