P020B

Symptoms

• Unstable engine operation
• Increased fuel consumption
• Power Loss
• Misfires
• Check Engine Light Illuminates

Causes

• Malfunction of the fuel injector of cylinder 2
• Problems with the injector wiring harness
• Short circuit or open circuit in the injector control circuit
• ECU malfunction
• Engine mechanical problems (rare)

How to Fix

1. Check resistance and operation of injector cylinder 2
2. Inspect the wiring harness and injector connectors for damage.
3. Check the injector control circuit for an open or short circuit.
4. Test the operation of the ECU
5. If necessary, replace the injector or repair the wiring harness

Related codes

Error P020B by Vehicle Brand