![]() However, other problems can also trigger the code, such as a dirty air filter or a faulty connection. Most often, the mass air flow sensor is dirty or needs to be replaced. P0104 – Mass Air Flow (MAF) Circuit Intermittent/Erratic.P0103 – Mass or Volume Air Flow “A” Circuit High.P0101 – Mass Airflow (MAF) Circuit Operating Range or Performance Problem.P0100 – Mass Airflow (MAF) Circuit Problem.The most common codes associated with the P0102 DTC include the following: A Mechanic’s Tips About The P0102 Codeĭuring your diagnosis, you may see other MAF circuit trouble codes. If you can perform any of these repairs on your own, you will spend a lot less because you only need to purchase the necessary parts and equipment. Repair/replace faulty electrical connections – $50 to $500.Replace mass air flow sensor – $250 to $400.Clean mass air flow sensor – $35 to $150.Here are some approximate costs for the repairs, assuming that you need to pay for both parts and labor. It’s also going to cost you more money at the pump.Īfter your diagnosis is complete, you should know what needs to be repaired. Continuing to drive your vehicle with an imbalance of fuel and air is only going to lead to larger, more expensive repairs. If you can’t figure out what’s wrong or you are having trouble repairing the problem, it’s best to seek help from a professional. Make sure it’s completely dry before reinstalling it. Clean the mass air flow sensor with a specialized cleaner.Clean off any corrosion that you find and repair any faults. Check the connection and wiring to the MAF sensor.Check your owner’s manual for more information. It’s part of the recommended maintenance schedule outlined by your car manufacturer. On average, the engine air filter should be replaced every 12,000 to 15,000 miles to avoid this problem. Use your compatible scanner and our trouble code list to determine if there are other issues that could be related. How to Diagnose the P0102 Trouble Code?Įven if you aren’t a professional mechanic, you should be able to figure out what’s causing trouble with the P0102 code. For these reasons, you want to follow the appropriate diagnostic steps to make sure nothing gets missed. There’s also the chance that a dirty air filter is causing the issues, which is another simple repair. Considering the price difference, it’s always best to clean it before replacing it. Specialized cleaners are made for the MAF sensor because it does become dirty and contaminated over time. There are times when a new MAF sensor isn’t needed, so you will only be wasting your money. The most common mistake is to replace the MAF sensor without first cleaning it and checking the wiring. Repair/replace faulty electrical connections.Here are some possible fixes that could resolve the P0102 DTC. Once you perform a complete diagnosis of the system, you should determine what needs to be fixed. Not only is it important to keep the system running as intended to avoid other mechanical failures, but you also don’t want to leave the Check Engine Light on or you won’t know when something else goes wrong. Most of the time, the faulty MAF sensor just leads to increased fuel consumption. At worst, you may notice some performance issues or have trouble starting the car. Low – It’s unlikely that the P0102 code is going to stop you from driving your vehicle. Here are some of the most common P0102 causes. However, it’s not the only potential problem you are facing. It’s quite possible that the mass air flow sensor is either contaminated or faulty. However, there could also be some performance issues. There’s a chance that you won’t see any unusual symptoms with the P0102 trouble code other than a Check Engine Light. This measurement is also essential for creating balanced engine operation by the PCM. ![]() This sensor reads the temperature of the outside air entering the intake. Some MAF sensors also include the air temperature sensor. The PCM uses the reading from this sensor to determine proper fuel delivery, creating a perfectly balanced air-fuel mixture. It’s used to measure the density and volume of the air that’s being pulled into the engine. The MAF sensor is mounted on the vehicle’s engine air intake downstream from the air filter. You may see it in a Toyota, Ford, Chevy, Hyundai, Dodge, Nissan or more. This diagnostic trouble code (DTC) is considered generic, so it’s used in most vehicles equipped with the OBD-II system. This trouble code indicates that there’s a low condition within the mass air flow sensor or circuit. The P0102 code is set when the Powertrain Control Module ( PCM) detects that the mass air flow (MAF) sensor frequency signal isn’t performing in the normal expected range set by the manufacturer. P0102 – Mass or Volume Air Flow Circuit Low What Does the P0102 Code Mean?
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