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P0130 – Meaning, Causes, Symptoms, & Fixes

P0130
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What Does Code P0130 Mean?

What Does Code P0130 Mean?

  • P0130 definition: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 1)
  • Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage.
  • Repair Urgency: Get this code fixed as soon as possible to avoid catalytic converter and exhaust system damage.
  • Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0130 code. This DTC can be triggered by an exhaust leak or faulty oxygen sensor and/or wiring.

Your car has oxygen (O2) sensors that measure the amount of oxygen present in your exhaust. Based on the measurements these sensors take, the O2 sensor will fluctuate between a high (rich) and low (lean) voltage reading. Your Engine Control Module (ECM) uses the voltage levels provided by your O2 sensors to regulate your engine’s air/fuel mixture. If you are seeing code P0130, it means that the O2 sensor before your catalytic converter on bank 1 is malfunctioning.

P0130 Causes

  • Faulty Bank 1 O2 sensor 1
  • Exhaust leak in front of sensor 1
  • Intake leak
  • Corrosion in connecter
  • Frayed or broken wiring

P0130 Symptoms

  • Check Engine Light
  • Decrease in MPG
  • Increased tailpipe emissions
  • No noticeable adverse conditions in some cases

How Do I Fix Code P0130?

With a P0130 code, the first step is to get it properly diagnosed to figure out what is causing the malfunction in the oxygen sensor system. Using the live data function of the FIXD sensor and app allows you to read and analyze engine data to properly diagnose a P0130 code.

If the sensors are all reading correctly, check for an exhaust leak. If any of these conditions exist and you’re not comfortable further diagnosing this issue at home, we recommend finding a RepairPal-certified shop to pinpoint the problem and give an accurate estimate for repairs. 

These shops can not only help you figure out what’s going wrong before you waste time and money on the wrong parts, but they also offer a minimum 12-month, 12,000-mile warranty and stand behind all their estimates with guaranteed fair pricing.

> Find a RepairPal Certified Shop Near You

How Much Does It Cost to Fix Code P0130?

If you take your car to a shop for diagnosis, most shops will start with an hour of “diag time” (the time spent in labor diagnosing your specific issue). Depending on the shop’s labor rate, this typically costs somewhere between $75-$150. Many, if not most, shops will apply this diagnosis fee to any required repairs if you have them perform the repairs for you. From there, a shop will be able to give you an accurate estimate for repairs to fix your P0130 code.

Possible Repair Costs for P0130

When it comes to making repairs associated with the P0130 code, one or more of the below repairs may be needed to solve the underlying issue. For each possible repair, the estimated cost of repair includes the cost of the relevant parts and the cost of labor required to make the repair. 

  • Oxygen sensor $200-$300
  • Exhaust repair $100-$200 (if welded to repair)
  • Vacuum leak $100-$200

DIY Steps to Diagnose Code P0130

If you’d like to try to fix code P0130 at home without throwing money at parts, you’ll want to follow the steps below for proper diagnosis. Complete diagnosis may require some specialized equipment beyond what the FIXD Sensor can provide, but the biggest challenge for this repair is that internal engine issues could be the root cause of this code. As such, this diagnosis and repair should not be attempted by beginner DIYers. 

DIY difficulty level: Intermediate

This repair requires mechanical knowledge and is not recommended for beginners.

Tools/parts needed (our top picks from Amazon):

STEP 1: USE FIXD TO ENSURE NO OTHER ENGINE CODES ARE PRESENT.

Scan your vehicle to verify P0130 is the only code present. If other codes are present, they must be addressed first.

STEP 2: INSPECT O2 SENSORS AND WIRING. 

Visually check the electrical connections, wire harness, and metal tabs in terminals for any damages. If any damage is found, replace the oxygen sensor.

STEP 3: CHECK OXYGEN SENSOR(S) LIVE DATA WITH FIXD.

Warm up your engine. Using FIXD Live Data, look at your O2 sensor (bank 1, sensor 1) voltage. Note if the O2 sensor is rapidly or slowly switching from low to high voltage. This could indicate a faulty O2 sensor.

STEP 4: INSPECT VACUUM LINES.

Check for any vacuum leaks in the engine or any holes in the exhaust that could lead to air escaping from the engine. Repair any leaks or holes you find.

STEP 5: CONSULT A PROFESSIONAL.

If at this point the vehicle is still setting the same code, you may have a more serious problem with your car’s oxygen sensor system, and you should bring the vehicle to a certified shop to have further diagnostic work performed.  

Common P0130 diagnosis mistakes

Replacing the O2 sensor without checking for any intake or exhaust leaks or loose connections.

Still Need Help Fixing Code P0130?

If you’ve followed the steps above and are still experiencing issues with the oxygen sensor and code P0130, please contact the FIXD Mechanic Hotline if you’re a FIXD Premium subscriber or find a RepairPal certified shop near you to get the right repairs at a fair price.

 

Justin-Hughes

Recovering autocross and track day enthusiast. Once turned a VW Jetta into a pickup truck. Lives in a van down by the river. Dream car: 2001 Subaru WRC rally car.

We’re here to help you simplify car care and save, so this post may contain affiliate links to help you do just that. If you click on a link and take action, we may earn a commission. However, the analysis and opinions expressed are our own.

About the Author

Justin Hughes

Justin Hughes

Recovering autocross and track day enthusiast. Once turned a VW Jetta into a pickup truck. Lives in a van down by the river. Dream car: 2001 Subaru WRC rally car.

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