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P0101 p0102

3L Volant intake, 09 Colorado 5. I pulled the intake apart and cleaned the Mass Air Flow meter with alcohol and I did remove some Description or check engine light code P0101 or P0102 mass airflow sensor. ). co. No rhyme or reason when its going to occur. It consists of a hot film that is supplied with electric current from the Engine Control Module (). P0102 Trouble code definition. . Cause: No MAF or TP sensor codes set, system voltage over 11v, engine running, then the PCM did not detect any MAF input for 2 seconds • Inspect the MAF sensor wiring and connectors for damage Otros MAF sensor de circuito son los códigos de problemas DTC P0100, P0101, P0103, P0104 y. 2. P0102 Engine Trouble Code. uk/. P0102 P0102. It consists of a hot film that is supplied with electric current from the Engine Control Module . What are the symptoms of P0102 DTC? The symptoms of P0102 is no different from other MAF sensor-related airflow trouble codes like P0101. I'll try cleanng grounds, and checking the MAF connectors to see if they're spread too wide. When I unplug MAF plug, she runs fine. Jul 11, 2014 any number of check engine codes usually in the P0100, P0101, P0102, P0103, P0104 range, although some engine management systems  Jan 3, 2013 Today when i went to make the video for this post i received 7 error codes they are P0037, P0057, p0101, p0102, p0103, p0113, p0113 p0101 May 21, 2018 Easy step by step guide on how to replace an automotive mass air flow sensor P0100, P0101, P0102, P0103 and P0104, though appearances  Black smoke; Lack of power; Limp home function; Fault code P0100, P0101, P0102, P0103, P0104. Replied by EricTheCarGuy on topic P0102 Code To me it sounds like you might still have a vacuum leak or 'pirate air' coming in some where. Check Engine Light Code P0102 Mass Air Flow (MAF) Circuit Low Input. sorry, im not much of a help either Cant fix P0101 mass air flow sensor. Thought I'd solved my problem, but now I'm getting a P0102, MAF Low Input code. tried to clean it but didnt help. Wiring and/or Connector(s) from/to Mass Air Flow Sensor (MAF/G70) faulty Mass Air Flow Sensor (MAF/G70) faulty Possible Solutions 16485/P0101/000257 - Mass Air Flow Sensor (G70): Implausible Signal Possible Symptoms . Loss of Power Erratic Idle Possible Causes . I would check the connection for corrosion and clean it well with some electrical contact cleaner, and then use some dielectric grease on it before reconnecting it. MAF Test Low Count Thresh: Number of times the MAF frequency must be low before P0102 will set. This P0102 diagnostic trouble code (DTC) means that there is a low Closely related MAF circuit trouble codes include P0100, P0101, P0103, and P0104. What tools do I need? Circuit Descriptions of the MAF Sensor Connector. Jul 6, 2015 I got it back home pulled codes and had the following P0101,P0102,P0113, P0171 & P0174. To deliver the most efficient power, a precise amount of fuel needs to be injected into the cylinder, after which it is compressed and ignited, resulting in a power stroke. p0101, p0171, p0174 Dec 20 2012, 5:47am whenever anyone posts trouble codes they dont really get a response. Description or check engine light code P0101 or P0102 mass airflow sensor. These complaints can indicate a defective air mass sensor. new to the forum. It happened a couple years ago, I cleaned the MAF, and it was gone. It turns out my shitty Spectre filter from Advance Auto Parts was the culprit! The filter had an inverted cone which threw off the airflow and caused turbulence around the MAF. P0102. Seems to trip code at higher RPS''s like when passing or when it downshifts going up a hill. I think 1 is triggering the other. CONSULT screen terms (Trouble diagnosis content). What is the g1 phase of the cell cycle? The G1 Phase stands for gap 1 or growth P0101 - GM; Type: Powertrain - Fuel and Air Metering - ISO/SAE Controlled: Description: MAF Sensor Performance Conditions. P0101 code definition. P0101 Nissan Diagnose and fix a P0101 Nissan trouble code. Page 1 of 3: How to Test the GM MAF Sensor (P0100, P0101, P0102, P0103). 0 . The direct measurement of the air entering the engine is more accurate than calculating the airflow from the Manifold Absulte Pressure (MAP), the Intake Air Temperature (IAT), and the engine speed (speed/density). Replacement MAF available from bavariandominator. A P0101 Nissan trouble code is very common and there are two fixes for it. The vehicle will run Code p0113 is set as well p0102, the vehicle runs good then it just has no power by disconnecting the MAF it runs a lot - Answered by a verified Ford Mechanic The P0101 code indicates that there is a problem with the mass airflow sensor or its circuit. P0101, MAF SEN/CIRCUIT-B1 (Mass or volume air flow  What can cause the OBDII code P0102? What needs to be checked, common problems, examples. TEST 1: Testing the Power Circuit for 12 Volts. The code P0101 also lists intake air leak as a possible cause. A causa P0102 código puede significar que una o más de los siguientes ha ocurrido: Seat Alhambra P0101 & P0102 I need some advice regarding a Seat Alhambra with BRB-engine that has some strange codes that I can't solve without help from expertise. I then procedded to do another log and check the BEN values. Interpreting the Results. Codes were P0102 and P0031. P0103: MAF SEN/CIRCUIT-B1 (Mass or volume air flow ″A″ circuit high) An excessively high voltage from the mass air flow sensor is sent to ECM. Symptoms of a BAD GM MAF Sensor. 3L 219,506 miles, serial number: 2GTEC19T331280635 I have replaced the engine coolant temp sensor at 218,314 miles as per instructions of Autozone. no real issue with it running other than getting tired of looking at the check engine light. The MAF sensor is used to measure the amount of air entering the engine. She chooched like a freight train and would stall. Often, the solution for the code P0102 is to replace the mass air flow sensor if no other problems found. A code P0102 may mean that one or more of the following has happened: The MAF may be disconnected, or a wiring connection may be bad The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF). When you push on the gas to take off it hesitates, while I am driving you can feel the engine hesitating, and when I slow down to stop it hesitates and the RPMs jerk and it stalls but if a pump the gas a little when it hesitates while I am stopping I can keep it from stalling. A more technical description would be that the MAF circuit had lower than expected voltage (air flow). Does my car have more than one 02 sensor? P0102 Trouble code definition Mass Airflow (MAF) Circuit Low Voltage Input The code P0102 code is often associated with P0100, P0101, P0103 or P0104 trouble codes as they are closely related. The Mass Air Flow sensor is placed in the stream of intake air. anyone else run in to this? thanks. Also know as the MAF. The car is going quite well, but hesitate from time to time, short breaks. 2006 Jetta TDI (BRM) - P0101 MAF Implausible Signal comes up repeatedly but only when VW MKV-A5 Golf/Jettas P0101 code VW MKIV-A4 TDIs (VE and PD) Ok, I've searched and searched the forum, but really found nothing about a P0101 that doesn't go along with poor performance. Never does it in motion,only when idling. If the problem is fixed, the code P0102 will clear itself after driving. P0102: MAF SEN/CIRCUIT-B1 (Mass or volume air flow ″A″ circuit low) An excessively low voltage from the mass air flow sensor is sent to ECM. Description: How does a P0102 code trigger the check engine light? The engine light will come on if the following concern is present: 16486/P0102/000258 - Mass Air Flow Sensor (MAF/G70): Signal too Low Possible Symptoms . I cleaned thye maf with maf cleaner this morning. Read what sets this code and some common causes and repairs. *EDIT* P0101 and P0103 is the code. Related: Hyundai Tucson P0101 Diagnosis: MAF Sensor P0102 Symptoms: Hyundai Tucson Since P0102 has to do with the Mass Airflow Sensor, which is a huge part of the Tucson's engine combustion process metering, it is going to The P0102 code is the code for a problem with the Mass Airflow (MAF) Sensor. "limp mode" I guess. It measures the intake flow rate by measuring a part of the entire intake flow. The Code P0102 is set when an excessively low voltage from the sensor is sent to Engine Control Module (ECM). A poor-quality part also can cause the code P0102. After cleaning the MAF with a touch-free cleaner spray I threw a P0113(Intake Air Temperature Circuit High Input) and P0102 (Mass or P0001-P0099 List P0100-P0199 List P0200-P0299 List P0300-P0399 List P0400-P0499 List P0500-P0599 List P0600-P0699 List P0700-P0799 List P0800-P0899 List P0900-P0999 List P1xxx List P2xxx List P3xxx List Uxxxx List Bxxxx List Cxxxx List P0001-P0099 – Fuel and Air Metering and Auxiliary Emission Controls P0001 P0002 P0003 P0004 P0005 P0006 P0007 P0008 P0009 P000A P000A P0010 P0011 […] SOURCE: P0102, P0172 codes It sounds like the maf isn't communicating with the computer. P0108 and P0110 could make sense as one if the MAP circuit high, the other for the intake temp sensor ( right by the MAP but in the air filter housing ). P0101: MAF SEN/CIRCUIT-B1 (Mass or volume air Flow ″A″ circuit range/ performance) A high voltage from the sensor is sent to ECM under light load driving condition. In extreme cases, the engine will refuse to start. What are those codes? Mechanic replaced 02 sensor (believe it was the front 02 sensor). The Mass Airflow Sensor (MAF) measures the amount of air entering the engine and the Engine Control Module (ECM) uses the information to determine the proper amount of fuel quantity and ignition timing. I started the car yesterday after work. i have taken it to the dealer 3 times for the same code, P0101. P0102 (Mass or Volume Air Flow A Circuit Low) P0101 (Mass or Volume Air Flow A Circuit Range/Performance) P0171 (System Too Lean . See here for a step-by-step guide on how to diagnose and fix check engine light code P0101. See here for a step-by-step guide on how to diagnose and fix check engine light code P0102. The MAF sensor may be faulty The vehicle computer may be faulty (very rare) If this is left unchecked, it can lead to poor engine operation, accelerated wear, and irreversible engine damage. Maximum Delta Air Flow - P0101 Error: The VCM will constantly check the MAF operation by comparing the MAF calculated airflow against the calculated airflow using speed/density calculations. Your 2001 is a MAP engine. It was discussed on the monthly Tech Tips Call that dealers are seeing a number of vehicles with the following symptoms: Check Engine Light On with a P0101 and/or P0102 and/or a possible start- stall condition. P0102 is an OBDII trouble code indicating that the mass air flow sensor (MAF) is reporting inaccurate values. I have a 2002 BMW 325i sedan with 160000 miles+ and now is running in "limp or safe mode". a year ago it had the p0101 and power reduce mode with the stock air intake. I checked the air filter, and it looks essentially new. This is why I think a mis-plug somewhere or ground. Got home, put it in and still have the same problems with the same codes. What the P0101 code means P0101 is the general code P0102 Chevrolet Meaning The Mass Air Flow (MAF) sensor measures the amount of air ingested by the engine. That does codes p0100 and pending p0101 p0102 p0103 p0104 p0105: Sign In this is a 01 oldsmobile alero gl with the 2. I had the code pulled at an Auto Zone and Cannot find any info on it. The code P0102 code is often associated with P0100, P0101, P0103 or P0104 trouble codes as they are closely related. With the symptoms described, is this definitely the sensor to replace? I figure there are other problems that could cause a MAF code, but what are the possibilities with this Buick Regal, considering this p0102 code? Trouble code P0101 means: MAF Sensor Signal Range/Performance Trouble code P1372 means: CKP Sensor A-B Correlation . 5V from 12+V. 4l I was wonder why I have a code for a maf sensor but this P0113 and P0102 after MAF clean. I'd recommend checking for more vacuum leaks and also check for leaks in the tube that runs from the MAF to the throttle body for leaks. What causes a P0101 trouble code. P0101 Lexus Description The Mass Air Flow (MAF) sensor is placed in the stream of intake air. Some of the most common symptoms of a bad Mass Air Flow sensor in Mercedes Benz cars are: Engine dies, stalls soon after you start it. i dont know why but i assume it's because its's hard to diagnose over the internet. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. Mass Airflow (MAF) Circuit Low Voltage Input. MAF sensor code p0102 low input comes up. 3L (LS7 style MAF) Long tube headers 06 SSR throttle body, pedal LS3 front cover, LS2 cam sensor, 1x sprocket GMC Canyon Code P0116 Temperature Sensor And P0102 MAF 2006 GMC Canyon. P0101 and P0102 should never come up on your vehicle. May also be the wrong ECU in the car. On my 2012 SE-R, I kept getting code P0101 for the MAF sensor. 1 Blazer 97: Check engine light on with codes p0102 and p0140. A low voltage from the sensor is sent to ECM under heavy load driving condition. I pulled the MAF sensor and cleaned it with MAF  Feb 27, 2019 P0101, P0103. I have a 2007 Chevy hhr and the codes are p0102 p0113 p0171 and p0300 it won't start when I first turn the key - Chevrolet 2007 HHR question code p0102,p0101 My first reaction, was to check for codes, and sure enough it was a MAF code (p0102). P0101 Meaning The Mass Air Flow sensor is placed in the stream of intake air. Cleaned out throttle body,no vacuum leak. I just put new plugs and wires in and didn''t fix problem. Possible cause. P0102 Volvo Description. P0102 Mass Air Flow MAF Circuit Low Technical Description. I have the following codes: P0171, P0101, P0102 and P1514 2003 GMC 5. It's best to use an OEM sensor. P0101 MAF Circuit Range/Performance Technical Description. P0101 - Faulty mass air flow sensor - Intake air leaks - Dirty mass air flow sensor - Dirty mass air filter - Mass air flow sensor harness is open or shorted - Mass air flow sensor circuit poor electrical connection To test the 1-TRIP theory, I changed the codes in C6001 to 1-TRIP for p0101,p0102,p0103, and made sure the scanner reported a trip. Same symptoms. What Does P0102 Code Mean? OBD-II Code P0102 is defined as a Mass or Volume Air Flow Circuit Low Input. In most cases, this code is not very difficult to diagnose. Both of you. THEY HAVE CHANGED BUT VE IS THE SAME !!!! P0102: Mass Air Flow (MAF) Circuit Low Input Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. The Mass Air Flow (MAF) sensor is placed in the stream of intake air. In this instance, the PCM will detect that the frequency signal given off by the MAF is not within the pre-programmed range of the calculated MAF value that it’s supposed to be, which is for more than 4 seconds. Mass Air Flow Sensor (G70) faulty Air Leak(s) after Mass Air Flow Sensor (G70) Excessive restrictions in the Intake/Exhaust System Dirty air filter, clogged snow screen, clogged CAT Ground Spots corroded or Paint This guide will show you how to replace the Mass Air Flow (MAF) sensor on Mercedes Benz. Common codes are P0101, P0102, P0103 and P0104. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles (Nissan, Chevrolet, GMC, Mercedes, VW, Toyota, Mazda, BMW, Ford, Audi, Honda, etc. Page 2 of 3: How to Test the GM MAF Sensor (P0100, P0101, P0102, P0103). 8L swapped into a 04 Colorado, being run with 06 SSR E40 PCM Mods LS2 intake, fuel rail, LR4 truck injectors, with spacers 09 Colorado 5. A P0101 trouble code is defined as P0101 for Mass Air Flow sensor (MAF) stored in the ECM. Causing the fuel mixture to be to rich, tailpipe is probably black with soot. Harness or connectors (Mass air flow sensor circuit is open or shorted. FIXD explains symptoms, causes, and severity of P0101. When it is not getting the proper reading, it can really cause some issues with your Civic. The single most common cause of a P0101 trouble code is an intake air leak (near the MAF sensor). Once you get more comfortable with this type of testing, it is far more accurate than Repair Information for P0101 Nissan code. OBD2 Code P0102 Definition: Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. Mass Air Flow (MAF) Circuit Range/Performance. P0101 P0102 P0103 all MAF codes PS vehicle is STOCK no modifications add ons or aftermarket parts? Codes or Mazda Protege The check engine light came on my Mazda. Thought I would let you know on this same vehicle several months ago I was plagued by a very illusive P0101 MAF code setting but was able to solve the issue quite easily in the end by cleaning it with 99% rubbing alcohol at an actual cost of $2 and 10 minutes time. 0 seconds. i have a 2011 altima coupe 3. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles that have a mass airflow sensor. They are for a MAF. If the difference exceeds the threshold value at the check engine light on, replaced maf sensor as per obd2 light turned off with obd2, 10 miles later light back on - Saved searches P0101, or P0102. Other MAF sensor circuit DTC trouble codes are P0100, P0101, P0103, and P0104. After I cleared it and cleaned it again, it kept coming right back within a couple days. One of the main ways that the engine controller uses that information is to determine the amount of fuel that enters the engine. 5 with about 20k on it. We recommend Torque Pro. The mass air flow sensor costs from $70 to $350. Síntomas probablemente no notan ningún problemas de manejo serio, aunque puede haber síntomas tales como una disminución general en el poder o lentitud. This includes rough idling, black smoke in the exhaust, and poor engine performance. TEST 2: Testing the Ground Circuit. Then a couple months ago it came back. Ireceived the check engine light after the car hezitated a couple of time during normal excereration in traffic. have a question. The codes showed P0101 and P0102, which both relate to the mass air flow sensor. What Does Code P0101 Mean? An engine needs three things to run – air, fuel, and spark. Posted in OBDII Powertrain(P) Codes Tagged nissan, P0102, P0102 NISSAN Leave a comment P0101 NISSAN ALTIMA SEDAN Mass Air Flow Circuit Range/Performance. put a new mass airflow sensor in and was all good and now a year later the p0101 is back with same power reduce going on. The P0101 code can often be associated with a P0100, P0102, P0103 and P0104 codes. Discussion in 'General Tundra Discussion' started by csuviper, P0101 - Mass or Volume Air Flow Circuit Range/Performance Problem ALL SKYACTIV ENGINES – CHECK ENGINE LIGHT ON WITH P0101 AND P0102. the code is back again. FIXD explains symptoms, causes, and severity of P0102. If you get any of these codes P0100, P0101, P0102, P0103 and P0104 you most likely need your MAF replaced. P0101 Mercedes-benz Description The Mass Air Flow sensor is placed in the stream of intake air. I had to really push on the go pedal. The vehicle starts and drives fine. any ideas on where to start looking for a solution P0101: MAF SEN/CIRCUIT-B1 (Mass or volume air flow “A” circuit range/performance) An excessively high voltage from the mass air flow sensor is sent to ECM. Jul 12, 2010 Page 1 of 3: How to Test the GM MAF Sensor (P0100, P0101, P0102, P0103). the dealer keeps putting on new maf and supposedly reprogrammed the computer. DTC detecting condition. Related: Honda Civic P0101 Diagnosis: MAF Sensor P0102 Symptoms: Honda Civic Since P0102 has to do with the Mass Airflow Sensor, which is a huge part of the Civic's engine combustion process metering, it is going to OBD2 Code P0102 Honda definition: Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. When it is not getting the proper reading, it can really cause issues with your Tucson. UPDATE: The p0101 came back even with new MAF. p0101 code =mass or volume air flow circuit range/performance the first thing id be tryin would be cleaning mass air flow sensor especially if you use an oiled filter such as k&n sorry bout caps to lazy to retype lol Causes Causes of the OBD-II code P0102 The MAF may be disconnected, or a wiring connection may be bad The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF). You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. i'm running a 2 bar speed density tune, i've taken the maf completely out of the car, i'm getting two codes p0102 and p0103, I know I need one of the codes to go SD, but if i'm getting both will the o/s act funny? or is it fine with both codes? the truck is a 2009 with efi live for dpf delete, egr off, egr block plate in and an afe intake to the turbo with the dry filter. The engine code P0102 is stored in memory when the Electronic Control Unit (ECU) detects that the Mass Air Flow (MAF) sensor readings are outside its expected calculated value. (General Chat) p0102 p0440 DTC codes. P0101 code definition Mass Airflow (MAF) Circuit Operating Range or Performance Problem The P0101 code can often be associated with a P0100, P0102, P0103 and P0104 codes. (in this case it tripped P0102). ) Mass air flow sensor; Sensor power supply 2 circuit; P0102 OBD2 Code P0102 Toyota definition: Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. Mercedes-Benz Code P0102 – Mass or Volume Air Flow Circuit Low Input. MAF Sensor Signal. This OBD2 trouble code is closely related to other codes like Po100, P0102, and P0103. will be set if i clear the code the hesitation will go away but when it comes back then the code p0101 sets. However, a P0101 code means the signal the computer is receiving is too far below the expected value. When it sits idling,it will idle fine and then it will momentarily stumble/run rough like its going to stall then clears itself out. code still coming up after eras and dont forget to disconnect your battery after you clean it for the computer to reset, my maf actually failed on mine i have a hertz meter and verified it was toast after constant cel and p0101 codes, you dont need to remove the screens or go aftermarket, what i should have said when i said they arent the greatest is alot of people have failures at around 100,000 mile however they are great My problem is the Check Engine light is on with these codes, P0101 and P2188. May 5, 2019 Scion xA/xB 1st-Gen Drivetrain & Power - Help! Advice/guidance needed. In this video we have a look at an '07 Hyundai Tucson that came in with the check engine light on with a code P0102 Mass Air Flow (MAF) Circuit Low. OBD-II Code P0101 is defined as a Mass Air Flow Sensor Circuit/Performance Malfunction The Mass Airflow Sensor (MAF) measures the amount of air entering the engine. I switched it to an AEM dryflow and the p0101 was gone forever! I even switched back to my stock MAF. I've found 2 of the oxygen sensors located by the catalytic converter but have no clue where the others are located up towards the engine. 3 series & 4 Series (E21, E30, E36, E46, E9x, F30, F32, At any rate, after running a ground directly from the MAF harness to the body, (as opposed to running it to the ECU), the MAF signal dropped to a normal 1. I checked the plug with a test light. Unfortunatley I had gone through 3 new MAF sensors before I cleaned the old one Nissan Altima 2007-2012 Service Manual / Engine control system QR25DE for california / Component diagnosis / P0102, P0103 maf sensor Description The mass air flow sensor (1) is placed in the stream of intake air. Jul 16, 2012 The codes showed P0101 and P0102, which both relate to the mass air flow sensor. It measures the intake flow rate by measuring a part of the entire intake flow. It gives off a low voltage output to the Engine Control Unit. OBD-ii Code P0101 definition: Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. NEED HELP 1 Answer. The PCM detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 4. Mass or Volume Air Flow Circuit Low. In order for the ECU to function properly, the MFA flow rate must be within a preset range of values and if the MFA communicates a number too low, the ECU won’t function effectively. Learn what does P0101 Nissan Mass Air Flow Circuit Range/Performance means, location and how to repair? Code P0101: Mass Air Flow (MAF) Circuit/Performance Malfunction. Replaced the MAF Sensor has a good ground and the positive is good putting out 5v. P0101 P0102 P0113 P0138 P0500 - I recently bought an 05 xA. If it does start, it may die down immediately after starting. The mass airflow sensor (MAF) measures the amount of air entering the engine. What tools do I need? DTC No. P0102 is a code for "Mass or Volume Air Flow Circuit Low Input ". The ECM detects that the MAF Sensor parameter is less than  P0300 P0101 p0102 p0155 p0135, solved. The P0101 code can also mean certain problems with the electrical circuits of the MAF sensor. I also have a little rant about the local "lick Code P0102: Mass or Circuit Airflow (MAF) Circuit Low Voltage Input. p0102 MAF sensor low input. I keep getting errors P0102 MAF/VAF circuit low input, P0171 Bank 1 system too lean, P0174 Bank 1 system too lean. 2000 Chevy Malibu MAF Ground problem This is a good video on how to check sensor grounds using a voltmeter. Getting 2 codes p0300 & p0101. P0101 Trouble Code/Engine Code. Unfortunatley I had gone through 3 new MAF sensors before I cleaned the old one Thought I would let you know on this same vehicle several months ago I was plagued by a very illusive P0101 MAF code setting but was able to solve the issue quite easily in the end by cleaning it with 99% rubbing alcohol at an actual cost of $2 and 10 minutes time. Replacing the sensor is easy. P0102, P0103 FALSE ALARM!!!! I went to a junk yard and picked up a working MAF for $100. The code came back a few days later. I cleaned the MAF again. Mass Airflow (MAF) Circuit Operating Range or Performance Problem. It measures the intake flow rate by measuring a part of the entire My wife was driving her Volt last Friday in 106 deg heat when she got a CEL. Meaning of P0102 engine trouble code is a kind of powertrain trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. Also the car is running rough during cold weather but with warmer weather runs a lot smoother. Malfunction Indicator Light (MIL) ON Loss of Power Possible Causes . This is important information the Engine Control Module (ECM) uses to calculate the proper amount of fuel for combustion and the amount of ignition timing advance. is there something going on here I have a 07 4. p0101 p0102

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