Check the electrical connections to ensure they are securely connected and free from corrosion. Step 4: Cleaning the Mass Air Flow Sensor. 2008 Mazda5, 144,000 miles. This is logged by onboard diagnostics when the MAF sensor relays readings that are either irrational or out of range. It's pretty involved and doing it properly takes a few hours and special tools as you need to replace the injector seals as well. The sensor is not bad it‚Äôs doing what it is supposed to do and the system is alerting me by way of check engine light. Conclusion. I saw some info that said that this could be caused by high outside temperature. Inspect the Installation. So I ordered a new one and delicately installed it. P0171 went away, but P0101 came back after about 12 miles of driving. I was getting the code P0101. Here are some of the most common causes for check engine code P0101:. When you encounter the P0101 code, it is essential to diagnose the problem and fix it as soon as possible. Select “MASS AIR FLOW SENSOR (Hz)” and check indication. Proper air flow is key to your engine’s operation, and the MAF sensor helps to regulate it. Jun 18, 2014 · Set the J 38522 signal switch to 5 volts, the frequency to 5K, and the Duty Cycle to Normal. Now, fast forward to February of 2016, the 'Service Engine soon' light reappeared on the way home from work around the same area as last year, and around the same The P0101 OBD2 code indicates a problem with your mass air flow circuit. Jul 25, 2023 · Yes, they screwed that up. Possible Solutions: Check/Replace all faulty Wiring/Connector (s). P0101 could be caused by a lot of things. 0 hour of labor. Cracked intake boot. The codes showed P0101 and P0102, which both relate to the mass air flow sensor. 2008 Toyota Camry LE w/ 78,000 miles. When it has a problem, it can make your system run rough and reduce your gas mileage. It’s a generic code, which means it has the same definition for your vehicle as it would any other vehicle. Today the CEL came on and it was the MAF P0101 code again. If the code comes back, you must replace the Mass Air Flow Sensor to fix the problem. 5-3k rpm. Jan 5, 2024 · Definition: Mass or Volume Air Flow Circuit Range/Performance Problem. Others here have had problems with non-OEM MAF sensors and if they didn’t have any leaks, then replacing the MAF with an OEM one was The fix for the P0101 code will depend on the root cause of the problem. Took it to Autozone who read the code and said MAF Sensor problem. P0101 code in the Volkswagen Tiguan is crucial to maintaining your truck’s performance and ensuring it runs efficiently. P2227 - Barometric Pressure sensor performance. It should be relatively inexpensive to fix if it is a simple problem, such as a dirty MAF sensor. It’s a generic code, which means it has the same definition for your truck as it would any other vehicle. Ignition OFF, connect the red lead of the J 38522 to the signal circuit terminal 1 at the MAF/IAT sensor harness connector. Mass Air Flow (MAF) sensor. FAQs. Nov 12, 2022 · Hi all, my 2015 sentra threw a P0101 code recently. One thing I did not do was replace the air filter because it looked pretty clean. It has random misfires on all cylinders when idling, and the check engine light starts flashing when I get around 2. The scan tool MAF Sensor parameter should be between 4. , the airflow itself, or an electrical component. The MAF sensor measures the amount of air entering the engine, and if it fails to provide accurate readings, it can trigger the P0101 code. To fix it, try cleaning it first, and if that doesn’t work then you’ll have to replace the sensor. Turn ignition switch OFF. Mar 26, 2023 · If you have replaced a MAF (Mass Air Flow) sensor and the engine light stays on, or the code comes back, here are the other things that can cause MAF sensor Jul 16, 2012 · 78 posts · Joined 2012. It’s also important to avoid touching the element in the MAF sensor. It is common for most auto repair shops to charge between $75 and $150 per hour. Reconnect the battery. Meaning. With CONSULT. Feb 25, 2016 · The truck ran fine. I installed a K&N filter over a year ago, so I assume some of the oil may have made its way to the wire sensor on the MAF. This indicates that there is a problem with the sensor circuit or engine performance. 4L that previously threw P0171 and P0101. Dec 13, 2023 · Replacing The Mass Air Flow (MAF) Sensor. The Engine Control Module (ECM) regulates the temperature of May 15, 2020 · Hey guys, wanted to share i just went thru the same issue w my identical Tundra. This indicates a MAF sensor fault. Engine idling, observe the scan tool MAF Sensor parameter. Nov 10, 2018 · P0101 Code Definition. Mar 8, 2010 · You can get a code for the MAF out of range because less air can flow through the engine now. There are several potential causes for a P0101 code in your GMC Terrain. #4 · Jun 7, 2021. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. Reconnect the battery to restore power. I have a 2015 Nissan Sentra SR and a while back the check engine light came on and read code P0101 for mass air flow sensor. Jul 10, 2021 · The code P0101 means that the signal from the mass air flow sensor (MAF) is out of expected range. The most common of these issues are as follows. Follow along as we further discuss the severity of fuel & air metering DTCs Feb 12, 2024 · A Mercedes P0101 fault code means that the reading of the mass air flow sensor is out of the expected range. When your powertrain control module receives an unusual frequency signal from your mass airflow, or MAF circuit, it sends trouble code P0101 How do I fix trouble code P0101? Here are some common causes and solutions of this sensor performance issue for most makes and models of vehicles. We also took the opportunity t Dec 9, 2022 · But I replaced all the gaskets and piston rings. 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM. If the sensor is dirty or damaged, it may be possible to clean or repair it. Symptoms of this engine code include rough idling, poor acceleration, and increased fuel consumption. I cleared the code, and all was fine. There are several potential causes for a P0101 code in your Toyota Rav4. Damaged or dirty MAF sensor. Then I got code P1526 (never had that one before - I found various descriptions online as to what this Jun 9, 2014 · Yes this is a known problem. 1. Reattach the wiring harness to the new MAF sensor. Disconnect ECM harness connector. After doing some research the issue is likely related to either the MAF sensor or a dirty throttle body. Connect the battery voltage supply to B+. To access the MAF sensor, you will need to remove the air intake hose. Check Earth Points. I changed the Air Filter and replaced the MAF sensor with OEM (AC Delco) The CEL stayed on, engine performance remained sluggish. The end not connected (where your hand is) is to the throttlebody at the end of the engine. The most common cause of P0101 is a bad MAF sensor. What’s a Mass Airflow (MAF) Sensor Aug 3, 2021 · Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. The CEL comes on and off variably and doesn't seem to be due to external circumstances (if it's a cold day or hot day) Sep 19, 2023 · Nissan and Chevy specific information. Well, that’s it for how to fix a P0101 code. Since these components work together to regulate the car's fuel mixture, the malfunction of either can lead to performance issues like the ones you're experiencing. P0299 - Engine Underboost. We dive into a P0101 code for a 2014 Infiniti QX60. However Check Engine Light came back. Sep 19, 2023 · Nissan and Chevy specific information. Need for PCM reprogramming. • Harness for open or short between mass air flow sensor and ECM • Harness for open or short between mass air flow sensor and IPDM E/R >> Repair open circuit, short to ground or short to power in harness or connectors. There are no drivability issues. Maintenance is performed religiously on this car. This diagnostic trouble code is triggered when the Engine Control Module (ECM) identifies an issue with the MAF sensor’s output signal Jun 16, 2022 · There was a large gap on one side that I never noticed before. Usually it requires a multimeter and testing circuits as well as the sensor. Aug 22, 2022 · Labor: 1. This code indicates that there is a problem with your vehicle's Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. But if you need to replace the MAF sensor, it will cost between $240 to $330. CHECK MASS AIR FLOW SENSOR-1. Feb 26, 2019 · Check engine light on for mass air flow sensor after already replacing? 20 Answers. Feb 8, 2018 · Reset code and drive vehicle. This diagnostic trouble code is triggered when the Engine Control Module (ECM #5 – Replace the MAF sensor. Check the MAF sensor for cleaning and inspect the air filter, throttle body, and intake system. After changing the mass air flow sensor 2 times I finally got a Nissan Mass Air Flow sensor since the Nissan Dealership told me it had to be the original sensor not aftermarket. This diagnostic trouble code is triggered when the Engine Control Module Mar 2, 2014 · Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Then I drove it 45 mi and the CEL turned on. MAF Sensor – Circuit (Range/Performance) The P0101 code indicates to an issue with the Mass Air Flow (MAF) sensor in your Nissan Frontier. An active P0101 code can come as the end result of several underlying issues. This problem can sometimes be fixed by replacing the oiled air filter with a stock style air filter & or by cleaning the MAF sensor with MAF sensor cleaner. Secondary codes P1101 - Intake airflow system performance. Jan 21, 2007 · MAF, P0101 code after K&N filter instal. It measures the intake flow rate by measuring a part of the entire intake flow. The MAF sensor is a critical part of your vehicle’s air intake system that measures the air entering the engine to determine the correct fuel-to-air ratio. Defective MAF sensor: A faulty or dirty Mass Air Flow sensor can cause a conflict in the ECM as its reading won’t be in sync with that of the other sensors, such as the O2 sensor and the Intake Air Temperature (IAT) sensor. The fault code P1101 indicates that the Engine Control Module (ECM) has detected a problem with the Mass Air Flow (MAF) sensor signal. So I replaced the MAF and these codes went away. Position the new MAF sensor in place and secure it using the fasteners you removed with the old part. The MIL is ON with DTC P0101 and/or P010B (MAF SEN/CIRCUIT-B1/B2) and . Table of Contents. Maybe this might work 4 u 2, good luk. Connect your code reader and clear the codes. The car has thrown 4 check engine lights in the past few weeks, and all of them were the P0101 code. Apr 13, 2024 · If you’re dealing with a P0101 code linked to air flow sensor issues, start by using an OBD-II scanner for diagnostics. Vacuum leaks. If you are experiencing a P0101 code, your car’s problem could be the Mass Air Flow (MAF) sensor. If a faulty mass air flow sensor was identified during previous testing, an OEM-grade equivalent sensor should be installed. Remove the sensor from the connecting port and clean it using an authorized Mass Air Flow sensor cleaner. P0101 is triggered by the car's engine control unit when the mass air flow (MAF) sensor signals are outside of the normal operating range. Over oiling a air filter can get on the MAF sesnor, & cause this code to be set. Oct 7, 2019 · I removed the MAF and air cleaner housing together, cleaned the MAF with CRC MAF Cleaner, cleaned all seating surfaces and inside of the lower air filter housing, and waited over-night to let everything dry. Reconnect wiring. If this bulletin applies, reprogram the ECM. If the MAF Sensor parameter is not within the specified range, replace the ECM. #1 · Jul 16, 2012. Jun 15, 2021 · Then all codes went away, except for P0100 (MAF circuit), which came back immediately after being cleared, and P0101 (MAF performance/range problem), which only appeared after some driving. I clear the code and all the messages go away but they just come back after 20-30 miles of driving. Engine code P0101 could indicate a problem with the. What happens is the MAF reports to the engine controller what the amount of airflow is. 4. Hey guys so I have a 2009 3. The MAF sensor is located in your engine’s intake so that the air flows over it. Still no luck. ”. If the code comes back, it may be necessary to replaced the mass air flow sensor. Mar 29, 2018 · Keep getting P0101 even after replacing MAF. This code indicates that there is a problem with your vehicle’s Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. I got home and read the code, and discovered it was a P0101 code - Mass or Volume Air Flow Circuit Range/Performance Problem. 6. Take out the sensor and check for physical damages, cloggings, and debris inside the sensor chip. Another common cause of P0101 is a vacuum leak within the engine. The MAF sensor is installed in the engine intake, right after the air filter. How can I go about pinpointing what the cause of this code is? Jan 1, 2019 · P0101 code in the Hummer H2 is crucial to maintaining your truck's performance and ensuring it runs efficiently. To diagnose the P0101 Toyota code, it typically requires 1. After more extensive research, I found that the ECM software needs to be updated as well. Bad MAF sensor. Today I reinstalled everything, cleared all codes but my ZR8 scanner now says "P0101 Permanent" and the 3 color green-yellow-red "Smog The P0101 code can be triggered by a variety of factors that affect the proper functioning of the Mass Air Flow (MAF) sensor. On their advice, I purchased MAF cleaner, cleaned it according to a video found on Tacoma World and went the If you have a P0101 code on a Nissan don’t immediately replace the MAF sensor. com Oct 16, 2023 · In some cases, a dirty or contaminated MAF sensor can cause the P0101 code. Clear the codes. For Nissan vehicles, code P0101 is often caused by a dirty or contaminated MAF sensor. 0. Start engine and warm it up to normal operating temperature. If the issue is still not resolved, inspect the air filter. The primary symptoms of MAF sensor problems are increased fuel economy combined with decreased power output. Apr 13, 2024 · One of the most common reasons for code P0101 is a dirty or clogged mass air flow sensor. Lower threshold model < 0 - 400 kg/h. If you want to be 100% positive that is the problem before throwing parts at it you can follow the procedure in the factory service manual. Anything about the P0101 code is related to the Mass Air Flow (MAF) sensor, so you need to check the symptoms, like decreased fuel economy. Took it apart and reassembled down to a bolt. No codes thrown. 950-5. I also changed the connector for the mass air flow sensor. Reset code and drive vehicle. Based on the this I figured this is a leak drawing in air beside/behind the MAF sensor. 3l motor. In the meantime I reset the CEL, to see if it will come on again. MAF Sensor – Circuit (Range/Performance) The P0101 code indicates to an issue with the Mass Air Flow (MAF) sensor in your Nissan Sentra. My wife was driving her Volt last Friday in 106 deg heat when she got a CEL. The P0101 code problem only started after I changed the plugs and I had removed the original MAF to clean. After about a week, the engine light is back on and fuel efficiently is noticeably impacted. Valve cover removal is required to service the orifice. T Nov 2, 2017 · If the EGR valve is not in the closed position, replace the EGR valve and gaskets. The MAF sensor reports the volume of air entering the engine and if the reading doesn’t match what the computer expects, it can set a P0101 Mass or Volume A P0101 Causes . When the engine has a vacuum leak, it can disrupt the MAF sensor’s May 12, 2020 · P1101 by itself is typically a clogged PCV orifice on a Gen2. Nov 1, 2018 · The P0101 code indicates to an issue with the Mass Air Flow (MAF) sensor in your Chevy Suburban. I went and replaced the sensor and then cleared the code. Mass air flow vs upper threshold model < 60 - 800 kg/h. 2. When the MAF sensor signal is above the calibrated limit, it suggests that there is an The meaning of fault code P0101. The cost of repairing the P0101 code will vary depending on what is causing the problem. The MAF sensor is located on the intake manifold, just before the throttle body. NOTE: If this bulletin does apply (the ECM needs to be reprogrammed), DO NOT Nov 2, 2018 · P0101 is a common OBDII code that indicates an issue with the GMC Terrain’s MAF sensor. This code is usually caused by a malfunction of the MAF sensor, which can result in several symptoms that may affect engine performance and emissions. 6 DI LLT and I am getting a MAF P0101 code followed by the service traction control and stabilitrack messages. Vacuum Leaks: Vacuum leaks in the air intake system can disrupt the proper functioning of the MAF sensor. Can I drive with code P0101? Yes, you can drive with code P0101, but it is a good idea to have a mechanic check it out as soon as possible. My fix ended up being an actual (and more expensive) OEM MAF sensor replacement. Feb 11, 2023 · 1. P0101 belongs to a range of trouble codes (P0100 to P0104) that refer to a MAF circuit malfunction. Nov 10, 2018 · P0101 code in the Nissan Titan is crucial to maintaining your truck’s performance and ensuring it runs efficiently. In this case, the MAF is not necessarily damaged or broken, it’s just unable to generate an accurate air flow reading because of a contaminated sensor surface. We replace the MAF sensor after verifying no signal output during runtime. You can unscrew an O2 sensor ahead of the cat and drive it to see if it's better. Then they gave you a defective MAF, you can verify this by installing the old maf, and clearing the codes, and see if the P0101 and P0175 com back, if not, then the MAF you got is bad,Tim. Clogged and new side by side. There is a factory service bulletin for the following Nissan Models: 2011-2012 Nissan Altima Sedan If the P0101 code is set and there are no drivability problems, the factory service bulletin suggests reprogramming the Engine Control Module Nov 26, 2018 · June 11, 2023 by Jason. We're working on a 2011 Nissan Altima and in this video, I just wanted to go ov Feb 26, 2019 · Check engine light on for mass air flow sensor after already replacing? 20 Answers. May 29, 2024 · Diagnostic trouble code (DTC) P0101 code stands for “Mass or Volume Air Flow ‘A’ Circuit Range/Performance. Vacuum/boost leak, exhaust leak, other sensor (AFR or O2) is reading bad, or could be a bad MAF sensor but that is rare. Nov 12, 2015 · P0101 -- MAF Sensor. I would like to go about cleaning both (especially because I get a sticky pedal at about 80% throttle), as well as inspecting the whole air intake for issues, cracks, dirt, etc Jun 6, 2021 · 3008 posts · Joined 2013. I have heard of oil getting on the Jan 18, 2018 · The "Service Engine Soon" light came on our 2011 Nissan Altima so I headed to our local O'Reillys to have them read the computer. I was told CEL code now Aug 4, 2016 · Q: P0101 Still shows after MAF replacement. it measures the amount of air entering the engine through the throttle valve. I checked the air filter, and it looks essentially new. Sustained driving can cause internal problems in the engine. To clean the MAF sensor, simply spray it with a MAF sensor cleaner. It is most often caused by a dirty or faulty mass air flow sensor, a dirty air filter, or air leaks. 3. Calibrate the sensor and analyze airflow to pinpoint the problem accurately. Another very common reason for code P0101 is a broken or failed MAF sensor. My 2013 Altima with 78,5xx miles finally had its first problem -- MIL lamp illuminated, code P0101. 025 Hz. as that clear the P0101 code but the P159D is still May 8, 2023 · The P0101 code is a common OBD-II trouble code that indicates an issue with the Mass Airflow (MAF) sensor circuit. It’s a generic code, which means it has the same definition for your car as it would any other vehicle. Only P0420 andP430 codes were before changing the MAF, Chevy Mechanic: TIM MOHR. In layman’s terms, it means the MAF sensor is malfunctioning or failing to function period. Check Mass Air Flow (MAF) Sensor (G70). Has anyone had a problem with the MAF sensor out of range after installation of any aftermarket air cleaner and is there a fix for the sensor. Jan 25, 2024 · One of the primary culprits behind the P0101 code is a malfunctioning MAF sensor. CHECK MAF SENSOR GROUND CIRCUIT FOR OPEN AND SHORT. O'Reilly's offers free chec May 6, 2024 · P0101 Code Explained — MAF Sensor Issues P0170 Code — Fuel Trim Issues Explained P0102 Code — Mass Air Flow Circuit Low Input P0113 Code – Intake Air Temperature Sensor is Reading at Too High of a Voltage May 6, 2017 · During the last winter about 3 months ago, the MAF sensor was faulting when the temps outside went below 5 degrees F. RB The Mechanic assumes no Dec 13, 2014 · I solved the problem. Sometimes cleaning the MAF sensor clears the code, however, this eventually comes back which means that the MAF sensor has to be replaced. Likely the cat's internals have come apart and turned around so that the exhaust cannot flow through it because the outlet of the cat is plugged. ACTION: 1. Reconnect all harness connectors disconnected. Dec 10, 2019 · Ground Spots corroded or Paint Residue. Almost like it got distorted over time or just a faulty housing. Some of these causes include: Dirty or clogged air filter: A dirty air filter can impede the proper airflow into the engine, leading to a false MAF reading. After the new MAF sensor is installed, it’s important to double-check all of the connections. Notice the airbridge on the right side, see the wiring connector to the MAF. Check Intake Air Filter. MAF Sensor – Circuit (Range/Performance) The P0101 code indicates to an issue with the Mass Air Flow (MAF) sensor in your Nissan Rogue. Connect CONSULT and select “DATA MONITOR” mode of “ENGINE”. I purchased a new OEM MAF sensor from Nissan (which was +$200) and after replacing it the issue still persists. Over time, the MAF sensor can become dirty or clogged with debris, which can cause it to malfunction and trigger this code. Identifying these potential causes is a crucial step in diagnosing and Diagnostic Trouble Code (DTC) P0101 indicates a problem with your vehicle’s MAF sensor. Typically, we see the OBD-II code P0101 when the signal from the mass air flow (MAF) sensor is out of expected range (too high or too low). It started with stumbling/stuttering issues at around 2000-2500rpm while cruising, light throttle, maintaining speed with traffic flow. A demonstration of how to remove, clean and install the Mass Air Flo Aug 15, 2022 · The P0101 code is related to Mass Airflow sensor issues. I already replaced the mass air flow sensor and checked for vacuum leaks on the intake Mar 14, 2024 · Causes of Code P0101. I bought some MAF sensor cleaner this evening, removed and cleaned In this video, I will show you how to fix p0101 mass air flow sensor circuit. The good news is that in most cases, the cause of this trouble code is often easy to diagnose. It can affect the way the engine runs, and in Jul 9, 2010 · P0101: Mass Air Flow Sensor. With the end open AFTER the MAF would be unmetered added air Apr 12, 2023 · the issue was not fixed by replacing the MAF and G-Sensor, nor did the PCV valve (that I also replace with a new one) did any good, the codes P0101 and P159D persisted. What looks to have done some good is that I clean the Turbocharger boost sensor and the Electric throttle control actuator. Diagnosing GM Digital Mass Air Flow Sensors P0101 In this video I replace the mass airflow sensor in my 2003 Chevrolet Suburban with the OEM unit by Delphi and the 5. The MAF sensor issue can cause excessive fuel consumption, rough operation and difficulty starting in certain circumstances. Nov 1, 2018 · P0101 is a common OBDII code that indicates an issue with the Toyota Rav4’s MAF sensor. See full list on rxmechanic. Last week, vehicle tripped a CEL with the P0101 code. My current account Robles is that it keeps giving me p0101 and p0300 codes. P0101 MAF SENSOR Description Pic 1 The mass air flow sensor (1) is placed in the stream of intake air. The heat generated by the hot wire is reduced as the intake air flows around it. If the code comes back, it may be necessary to replaced the MAF sensor. The mass air flow sensor controls the temperature of the hot wire to a certain amount. MAF sensor-related wiring damage. When is the code detected?: A high voltage from the sensor is sent to Jan 31, 2024 · Firstly, confirm that the P0101 code indicates a problem with the Mass Air Flow (MAF) sensor. One of the primary symptoms of the P0101 code is a reduction in engine power Mar 21, 2024 · Before replacing the Mass Air Flow (MAF) Sensor, try replacing the air filter and cleaning the Mass Air Flow Sensor with low compress air or Mass Air Flow Sensor Cleaner. I replaced the PCV valve and the MAF sensor. If the issue is with the MAF sensor itself, it may need to be replaced. My only question, which I am unable to find an answer to, is: Can there be a possibility that the P0101 and P0172 trouble codes be related to me replacing the spark plugs, or is this just a mere coincidence? . I have checked for any obvious vacuum leaks without being able Sep 26, 2022 · Howdy y’all, I have a 2004 Chevy Silverado with a 5. There are a couple of primary sources of the P0101 trouble code. When you reconnect the new sensor to the airbox and intake hose, it could remain loose, which would lead to trouble. Like. Turns out it was a dirty Throttle Jul 18, 2016 · The codes showed after installing the new MAF sensor. This diagnostic trouble code is triggered when the Engine Control Module Mar 9, 2024 · One common cause of P0101 in Nissan Altima vehicles is a dirty or clogged MAF sensor. I made a short video covering MAF cleaning, and you can check it out here “MAF sensor cleaning video. Read Measuring Value Blocks (MVB). Received a P0101 on my Nissan Altima and brought it in to the mechanics. Nov 1, 2018 · This code indicates that there is a problem with your vehicle’s Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. Spray on the sensor chip and wipe using a soft piece of clothes. 2019 2018 2020 2021 2022 2023 2024 2025 p0101 p0102 p0103Please comment h The P0101 code will not prevent the car from driving but it is advisable to check it out as soon as possible. Apr 27, 2022 · How to change replace remove location Nissan Kicks Mass air flow sensor MAF sensor. Problem solved. I believe there is a TSB to have ECU rebooted. This means that the MAF sensor is either sending a signal that is higher or lower than the calibrated limit set by the ECM. Mar 25, 2024 · Code P0101 - Low Voltage @ MAF Sensor. Got home and plugged the OBD2 to read P0101 -- mass air flow. EFI Live, Edge Insight CTS, Flo~Pro 4 Nov 24, 2023 · The P0130 and P0101 codes suggest that there are underlying issues with both the O2 sensor circuit and the MAF sensor circuit. Ignition OFF, disconnect the harness connector at the MAF/IAT sensor. Clean or replace the sensor if necessary. I know the intake filter and piping are clean. However, the ch Jul 19, 2022 · AutoZone OBD showed code P0101 - Mass Airflow Sensor. Ensure the air filter is clean and properly seated. 3. The engine computer (PCM) uses the signal from the MAF sensor for operating the fuel Jun 10, 2024 · If you discover a P0101 code after investigating a check engine light, the next step is to start troubleshooting the problem. Jul 22, 2015 · Time permitting, I am going to clean the MAF sensor later tonight. Jan 9, 2020 · Morning all, Working on a 2007 LE 2. Originally i purchased a new sensor from a local popular DIY shop but it was still throwing the same code after install and reset. Inspect the MAF sensor for any signs of damage or dirt accumulation. Looking around the forums, it seemed like cleaning the MAF sensor was the consensus, so I tried that. They replaced my MAF sensor and the check engine light was turned off. However, the ch "Service Engine Soon" light came on with the P0101 error code (Mass or Volume Air Flow). bd sp ok wv yk cc ok ip ay du