P0130: How to Diagnose & Fix — O2 Sensor Circuit Malfunction (Bank 1, Sensor 1)
2 vehicles · 2 makes · $100-$900 repair
How to diagnose and fix P0130: most-reported vehicles
Ranked by owner reports. Each card gives the symptoms, how to confirm the cause, the fix, parts and sources for that vehicle.
Chevrolet Prizm · 1998–2002
Oxygen sensors fail causing poor fuel economy and check engine light. Both upstream and downstream sensors prone to failure. Oil consumption issues accelerate sensor fouling.
Common Symptoms
- Check engine light
- Poor fuel economy
- Rough idle
- Failed emissions test
- Sulfur/rotten egg smell
How to Fix
Replace failed oxygen sensor(s). Use Denso or NTK OEM-quality sensors. Address any oil consumption issue to prevent premature fouling of new sensor.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- Oxygen SensorCross-ref13051
Fitment confirmed against the ShowMeTheParts catalog for this vehicle's year and engine.
As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.
Sources for this issue (1)
Peugeot 206 · 2000–2012
A very common 206 complaint on multiplexed cars is the 'Anti-pollution fault' message on the multifunction display, often accompanied by the engine management light, misfire, lost power or limp mode. It is a generic emissions-system alert triggered by a range of root causes documented across owner forums: failing ignition coils, lambda (oxygen) sensor faults, sticking EGR valves, sticky hydraulic tappets and, on neglected cars, catalytic converters damaged by sustained misfiring. Because the message is generic, owners frequently replace the wrong parts before reading the stored fault codes.
Common Symptoms
- 'Anti-pollution fault' message on the multifunction display
- Engine management light on
- Misfire or juddering, especially under load
- Loss of power or limp mode
- Engine cutting out shortly after the warning appears
How to Fix
Read the stored DTCs with PSA-capable diagnostics rather than guessing; the accepted fixes are replacing the specific failed component — most commonly an ignition coil pack or lambda sensor, cleaning or replacing the EGR valve, or replacing a misfire-damaged catalytic converter in advanced cases.
Sources for this issue (3)
Find P0130 by make
Browse every documented model and issue for your make.
P0130 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0130 mean?
P0130 stands for "O2 Sensor Circuit Malfunction (Bank 1, Sensor 1)." This code indicates a malfunction in the upstream oxygen sensor circuit for bank 1, sensor 1 — the front O2 (or air-fuel ratio) sensor mounted before the catalytic converter on the side of the engine containing cylinder 1. This sensor measures the oxygen content of the exhaust so the computer can fine-tune the fuel mixture, and the code sets when its signal is missing, out of range, implausible, or not switching as expected. A faulty reading here can hurt fuel economy, increase emissions, and trigger the check engine light. It generally points to the sensor itself, its heater or wiring, or sometimes an exhaust/fuel condition the sensor is reporting.
What are the most common causes of P0130?
The most common causes of P0130 are: Failed or aged upstream oxygen / air-fuel ratio sensor, Damaged O2 sensor wiring, connector, or heater circuit, Exhaust leak near the sensor, Blown fuse or open in the sensor heater power supply, Corrosion or poor contact at the sensor connector, Vacuum leak skewing the fuel mixture, Contaminated sensor (oil, coolant, or silicone). The specific cause varies by vehicle.
How much does it cost to fix P0130?
Repair costs for P0130 range from $100 to $900, depending on the vehicle and root cause.
Which vehicles are affected by P0130?
Au7o has documented P0130 across 2 vehicle models from 2 manufacturers: Chevrolet, Peugeot.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.