P0030
HO2S Heater Control Circuit Bank 1 Sensor 1
Generic code
Fuel and Air Metering
Medium severity
Moderate repair
Free on OBD DashX
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What P0030 means
- The fault code P0030 refers to a malfunction in the heater control circuit of the oxygen sensor located in bank 1, sensor 1.
Possible symptoms
- Illuminated Check Engine Light
- Decreased fuel efficiency
- Engine misfires or hesitates during acceleration
- Rough idle or stalling
- Increased emissions output
Possible causes
- Faulty oxygen sensor
- Damaged wiring or connectors in the oxygen sensor heater circuit
- Failed PCM (Powertrain Control Module)
- Possible
Related parts
- Heated Oxygen Sensor: This is one of the parts that fails very commonly. It measures the amount of oxygen to ensure proper combustion. Problems in the Oxygen Sensor lead to poor fuel economy
Possible solutions
- Replace faulty oxygen sensor
- Repair or replace damaged wiring or connectors in the oxygen sensor heater circuit
- Replace failed PCM
Free on OBD DashX
P0030 on OBD DashX
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