Gm code p0102

C6 Tech/Performance - P0101 and P0102 code on C6 Z06 - My '07 Z06 started bucking on acceleration and seemed to get worse over time. It also threw a code P0101 which came up as MAF. ... The replacement "pigtail" was $20 at Chevrolet and I noticed the wires were much thicker. Just like the old joke, 20 hours of time diagnosing and a $20 part to ...

Gm code p0102. 2002 chevrolet impala OBD2 CODE P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT DO I JUST REPLACE THE MASS AIR FLOW SENSOR. OR IS THERE A BIGGER PROBLEM. Show More. Show Less. ... I have a 1999 chevy suburban that is showing trouble code P0102 Mass or volume air circuit low. The truck is also shifts very hard when not under acceleration.

I Made an Updated Video on a Cruze P1101 Code with Better Audio and Information. Here is a Link : https://www.youtube.com/watch?v=k5gXKOMqAVIQuick overview o...

Open the hood after turning off the engine and removing the ignition key from its switch. Locate the MAF sensor 1 on the passenger side of the vehicle; it will be on the pipe leading from the air ...When you have a code P0102 issue it means that your powertrain control module (PCM) has found out that the output signal from the mass airflow sensor of your engine is under the operating range. Due to this, your PCM has concluded the data to be wrong. For more understanding of the meaning of the P0102 code, you must first have to know what the ...Definition. P0102: MAF Sensor – Circuit Low Voltage Input. MAF Sensor. A typical MAF Sensor. Your Silverado’s MAF sensor is responsible for metering the air as it …In this video we're taking a look at the intake air temperature sensor. Common trouble symptoms if this sensor fails includes improper idling and poor drivin...Here are some steps you can take to diagnose P0102 in your Chevy Trailblazer. Check the air filter: A dirty air filter can restrict airflow and cause the MAF sensor to give a low input reading. Make sure the air filter is clean and not clogged. Inspect the MAF sensor: The MAF sensor may be dirty or faulty. Inspect the sensor and clean it if ...since you got your egr blocked you might want to try to install the fingerstick as well.had the same problem and that took care of it.if not just get limpmode deleted like I did,its just a pain in the butt anyway. '06 3500 dually w/ LBZ 310,000 miles. green intake system-4" exhaust 6" tip. egr blocked - pcv reroute.

OBD-II Code P0102 is defined as a Mass or Volume Air Flow Circuit Low Input. 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. Code P0102 sets when the ECM detects a low voltage output from the ...Check engine light with p0102 saying mas air flow signal low started to Check power and ground to the plug and found some pinched wires next to the fuse boxP0113 is an OBDII trouble code that occurs when the Chevy HHR's engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it.. P0113: IAT Sensor → High Input Problem. The IAT sensor is responsible for measuring the air temperature and density to achieve the optimal air/fuel mixture for any ...Cel Code P0102 help. Driving the engine sputtered and cel came on. scanned code P0102. Cleaned MAF sensor. Driving engine running normal, the Cel came back on. Ran code P0102 and the MAF reading 1.48g/s no change with with higher RPMs or lower idle. Changed MAF, cleaned TB and changed spark plugs. Sputtering and dies for a while during relearn.Mass Air Flow Sensor circuit poor electrical connection. |P0102 CHEVROLET code possible causes. 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.

Apr 15, 2018 · Testing a 3 wire GM mass air flow sensor - before replacing it based on the P0102, test to confirm the wiring integrity is good (the power and ground, as wel... Gm diagnostic for code p0449 angry mechanicCobalt p0102 — ricks free auto repair advice ricks free auto repair P0102 obd2 trouble code ️dirty air filter or damaged maf wiringPart 2 -testing trouble code: p0135 (gm 3.8l 1997-2003).P0113 is an OBDII trouble code that occurs when the Chevy Cruze's engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it.. P0113: IAT Sensor → High Input Problem. The IAT sensor is responsible for measuring the air temperature and density to achieve the optimal air/fuel mixture for any ...MAss Air Flow sensor. This measures the air flow into the engine along with the intake air temperate and humidity. Its on the duct at the air filter. Throwing a bunch of codes Chevy Equinox. P0651, p0097, P0651, p0097, p0113, p11c2, p2228, p0420, p0576, p159f … read more. My check engine light came on with code p0014.OBD-II Code P0102 is defined as a Mass or Volume Air Flow Circuit Low Input. 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. Code P0102 sets when the ECM detects a low voltage output from …A MAF sensor diagnostic trouble code (DTC) stored in your vehicle computer's memory. P0100: Mass Air Flow (MAF) Sensor Circuit Malfunction. P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input.

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Apr 5, 2021 · P0102 CODE HELP!! I recently started getting a check engine light for code P0102 on my 02 LB7. Truck is tuned on EFI Live for over a year now and has been running great until this issue. Ireplaced the MAF sensor last week with no luck. Pulled the air filter and cleaned it/washed it, no luck. Air filter is not a oiled K&N unit. The meaning of fault code P0102. P0102 means that the engine control unit has identified that the mass air flow (MAF) sensor's signal is below the normal range. The device is used to measure the volume and density of air flowing into the car engine components. The control module then uses this information to regulate the intake of air and ...P0110 Intake Air Temperature Sensor 1 Circuit; P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance; P0112 Intake Air Temperature Sensor 1 Circuit LowOverview of the causes and fixes P0102 OBDII engine error code on a Chevy Silverado. Read more information here: https://www.backyardmechanic.org/cause-and-f...

What is the P0102 Code? The P0102 code is a very common trouble code. It stands for Mass Air Flow (MAF) Sensor Circuit Low. The MAF sensor measures the …A registered DTC P0101 on Chevrolet, P0101 code on Nissan, or any vehicle shows underlying several system issues. The causes of these issues include. Defective mass airflow sensor. Dirty MAF sensor. Vacuum leaks. Cracked intake boots. Frayed, burnt, or wiring harness issues on the MAF sensor.78 posts · Joined 2012. #1 · Jul 16, 2012. My wife was driving her Volt last Friday in 106 deg heat when she got a CEL. The codes showed P0101 and P0102, which both relate to the mass air flow sensor. I checked the air filter, and it looks essentially new. I saw some info that said that this could be caused by high outside temperature.Often the codes P0171 or P0174 could also be stored along with the code P0102, as the incorrect air flow signal can cause the engine to run lean. The codes P0171 and P0174 indicate a lean condition. Checking the freeze frame might help in the diagnostic process. The freeze frame is stored in the ECM along with the trouble code.I have a problem to that stated by Robbie. My 2000 express van with 5.7 engine needed a new crank sensor for it to start and run. Runs strong but still getting the p1345 code.P0102 -- MAF Sensor Circuit Low Frequency P0103 -- MAF Sensor Circuit High Frequency ... GM Vetronix Tech 2(Big Bux) ... Autoenginuity(I have heard this is the best low cost tool availible for the 6.5 OBD2) Car Code(never used it but supposed bi directional with 6.5TD) Snap ON MT2500(it works but give false readings. You have to know what the ...Clean it or replace it, reset the codes, and drive it. If there is another problem, it will tell you. 1997 Chevy 5.7 vortex, codes p0102 and p0340 can be cleared but seem to come right back when the motor is started. Replaced the can positioning sensor and cleaned the MAF sensor.Mar 13, 2024 · As a general rule, the OBD-II trouble code P0102 OBD-II Trouble Code: Mass Airflow (MAF) Circuit Low Voltage Input is triggered when the ECU detects that the Mass Air Flow (MAF) sensor readings are outside the expected voltage range. This is commonly caused by a blocked air filter, a vacuum leak, a blocked catalytic converter or a dirty ... O erro P0102 indica uma falha no/na ( Sensor de fluxo de massa de ar/sensor de fluxo de volume de ar - sinal de entrada baixo . O que causa o código P0102? Em resumo isto pode acontecer por vários motivos, tais como problemas no/na "Curto-circuito à massa nos cabos, sensor de fluxo de massa de ar/fluxo de volume de ar, módulo de controle do ...Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer’s instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code.P0102 Mass or Volume Air Flow "A" Circuit Low Input; P0103 Mass or Volume Air Flow "A" Circuit High Input; P0104 Mass or Volume Air Flow "A" Circuit Intermittent; Photo of a MAF sensor: Symptoms. Symptoms of a P0101 code may include: ... 2003 Chevy Venture Code p0101 I have an 03 Chevrolet venture. I was driving on the highway and all of the ...

Testing a 3 wire GM mass air flow sensor - before replacing it based on the P0102, test to confirm the wiring integrity is good (the power and ground, as wel...

In many GM vehicles, the code P0102 is caused by a faulty mass air flow sensor. The repair involves clearing the code and replacing the MAF sensor if no other problems are found. In some Mazda vehicles with the Skyactiv engine, the code P0102 could be caused by a failed mass air flow sensor. Replacing the mass air flow sensor often resolves the ...P0122 code on A 2007 Dodge Ram 1500 5.7L Hemi I have a P0122 code indicating a low voltage on the accelerator position sensor. This is a new code after installing the following parts. ECM, TIPM, crankcase sensor, camshaft sensor, ignition switch, the list goes on. I have replaced ALL associated parts including a new accelerator pedal just insta...Fault code P0102 is present. Scanner indicates Mass Air Flow - Answered by a verified Chevy Mechanic. ... L1, Master GM Technician. Over 20 years of bumper to bumper GM experience. Mike S. Chevy Mechanic. 2,417 satisfied customers. ASE Certified Master Technician. Ted G. ASE Certified Technician.Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer’s instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code.2017 Chevrolet Sonic 1.4L Turbo Ecotec engine with new BOSCH MAF sensor, code P0171 is persistent. I cleared the codes and it came back again. ... Getting code: p0097, p00F4, p0102, p0101, and p2199. I cleaned the MAF, replaced air filter and cleaned air filter box. Erased codes. Same codes.With engine off put your volt meter on the battery and turn your lights on. Battery should stay at 12.3 for at least 1 minute. If it suddently drops to 10 volts you have a bad cell. If the voltage drops bellow 11 volts all the sensors working with the regulated 11V will start to give erronious date and often the P0102 is the first CEL to pop up ...Nov 2, 2018 · There are several potential causes of the P0102 code, including a faulty or contaminated MAF sensor, debris blocking the air flow sensor element, vacuum leaks, a poorly closed air filter box, or an incorrect air filter installed. Here are some steps you can take to diagnose P0102 in your Chevy Tahoe. Check the air filter: A dirty air filter can restrict airflow and cause the MAF sensor to give a low input reading. Make sure the air filter is clean and not clogged. Inspect the MAF sensor: The MAF sensor may be dirty or faulty. Inspect the sensor and clean it if necessary ...

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got 07 cobalt keeps giving me a P0102 code, I have changed maf sensor checked entire intake, changed air filter, changed purge solenoid, changed every fuse related to ecm, trans, and evap. bought a OBD II/EOBD CEN-TECH today, values for maf show up in g/s, which aint sure what that is. supposed to be between 6-12 at idle from …The P0102 code is set when the Powertrain Control Module detects that the mass air flow (MAF) sensor frequency signal isn't performing in the normal expected range set by the manufacturer. This trouble code indicates that there's a low condition within the mass air flow sensor or circuit. This diagnostic trouble code (DTC) is considered ...Chevrolet Silverado (Mass Air Flow Sensor) MAF is becoming the most common issues on vehicles now and days.The code P0102 code is often associated with P0100, P0101, P0103 or P0104 trouble codes as they are closely related. What the P0102 code means P0102 is the general code for a problem with the Mass Airflow (MAF) Sensor having a low voltage output to the Engine Control Unit (ECU).Here’s what most owners notice about a vehicle that’s coding P0102: Check Engine Light is illuminated and an OBD-II scanner will show trouble code P0102. Engine operation may be slightly erratic, and most drivers experience a loss in performance as well as inconsistent idle. The ECU may alter the fuel/O2 mixture with insufficient fuel ...Here are some steps you can take to diagnose P0102 in your Chevy Camaro. Check the air filter: A dirty air filter can restrict airflow and cause the MAF sensor to give a low input reading. Make sure the air filter is clean and not clogged. Inspect the MAF sensor: The MAF sensor may be dirty or faulty. Inspect the sensor and clean it if ...My 2001 chevy astro has codes P0102, P0103, P0171, P0174, P0300 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.P0299 Chevrolet Code - Engine Underboost. - Code Popularity: 99,040 Views. - Repair Importance Level: 3/3. - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Jun 09, 2022. Possible Causes. Tech Notes. Description 📷. ….

P0102 fixed 03 gmc yukon xl 5.32003 Astrovan P0102 and P0442 and blown ECM-1 fuse How to fixThe Diagnostic Trouble Code (DTC) will be set when the ECM detects that the MAF Sensor Signal is less than 850 Hz (about 1.43 g/s) for greater than 10 s. P0102 Chevrolet Code - Mass or Volume Air Flow Circuit Low InputI have a 2000 impala 3.4 showing P0102 maf/vaf a ckt low input code. I cleaned the maf with no result. I did find that - Answered by a verified Chevy Mechanic. ... 2002 chevrolet impala OBD2 CODE P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT DO I JUST REPLACE THE MASS AIR FLOW SENSOR.p0101, p0171, p0174. I picked up this 04 silverado 1500 4x4 a few weeks ago. CEL is on and giving me those three codes. I replaced intake manifold gasket and cleaned MAF. Everything looks good and as far as I can tell all hoses between MAF and engine look great. Anyway, I cleared the codes and they popped up about two days later.LS2 to LS7 Maf swap P0102. I have a 07 4.8L swapped into a 04 Colorado, being run with 06 SSR E40 PCM. Mods. LS2 intake, fuel rail, LR4 truck injectors, with spacers. 09 Colorado 5.3L Volant intake, 09 Colorado 5.3L (LS7 style MAF) Long tube headers. 06 SSR throttle body, pedal.I have a 1996 gmc picup 1500 4wd automatic 5.7 dtc codes p0102 po107 po339p1406 how do i correct these problems - Answered by a verified GM Mechanic. ... Experience: over 18 years GM exp.' Master ASE tech, Adv. Level Driveability ASE, Alt. Fuel ASE. Verified. hello. the 2 main DTC's to be concerned about are the P0339 Crankshaft sensor ...the p0102 is a mass air flow code for low frequency, the p0131 is a lean O2 sensor and the p0300 is a misfire code. Sounds as if you might have a vacuum leak after the mass air flow sensor. The maf sensor is located on the air cleaner tube just after the air cleaner. Gm code p0102, Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer’s instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code., Amazon Affiliate Link to 7 Piece Hook and Pick Set: https://amzn.to/2MD8zCHAmazon Affiliate Link to Mass Air Flow Sensor Cleaner: https://amzn.to/2QDz35fAmaz..., A MAF sensor diagnostic trouble code (DTC) stored in your vehicle computer's memory. P0100: Mass Air Flow (MAF) Sensor Circuit Malfunction. P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input., The P2199 code is seen when a fault has been detected between the intake air temperature sensor 1 and 2 and their readings. P2199 is set when the voltage readings from sensor 1 and 2 are repeatedly not agreeing with each other or are out-of-range. The engine control module (ECM) monitors the intake air temperature sensor reading closely, and ..., En este video te mencionamos codigo de falla p0113P0113 es el código genérico OBD2 que el módulo de control del motor (ECM) ha registrado la salida del senso..., Typical causes of code P1125 on GM vehicles could include one or more of the following-. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors. Excessive mechanical wear of one or more throttle control components. Defective or malfunctioning throttle pedal position sensor (s) Defective or malfunctioning …, Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer’s instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code., Jun 2, 2016 · The troublecode P0103 is set when the MAF sensor signal is consistently high. This code, unlike P0102, is not often encountered. When diagnosing MAF sensor codes, understanding fuel trims is very important. Please see the fuel trims article (P0171): Fuel Trims – Lean. Identifying the type of MAF sensor in your car will also aid diagnosis. , 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). The MAF sensor may be faulty., Reviews, rates, fees, and rewards details for The My GM Rewards Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Earn 15,000 bonus points ..., gee-o Discussion starter. 189 posts · Joined 2004. #1 · Sep 28, 2011. I changed my fuel filter on my LML and the check eng light came on so I hit the blue button and onstar said its a P0102 code. Could this have been caused by running the engine w/o the blk tube from the air filter to the intake on as I removed it to bleed the air out?, Nov 2, 2018 · Here are some steps you can take to diagnose P0102 in your Chevy Equinox. Check the air filter: A dirty air filter can restrict airflow and cause the MAF sensor to give a low input reading. Make sure the air filter is clean and not clogged. Inspect the MAF sensor: The MAF sensor may be dirty or faulty. Inspect the sensor and clean it if ... , Overview of the causes and fixes P0102 OBDII engine error code on a Chevy Silverado. Read more information here: https://www.backyardmechanic.org/cause-and-f..., This means the misfire code P0300 represents the same failure on a GM/GMC Duramax, Ford Powerstroke, or Dodge Cummins. OBD-II Check Engine Light Trouble Codes for the GM/GMC Duramax below: P0100 Mass or Volume Air Flow Circuit Malfunction . P0101 Mass or Volume Air Flow Circuit Range/Performance Problem . P0102 Mass or Volume Air Flow Circuit ..., P00F4, P0102 and/or P2199 Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Silverado 2014 2018 L83, L86 Silverado LD 2019 2019 GMC Sierra 2014 2018 ... See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION., Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer’s instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code., I have been doing a lot of research on those 3 codes together lead to the spider injector with the poppet valves causing trouble. Lots of people converted to the mfi injector and the codes went away and it drives like a new truck. The unit is $330 on amazon I can't afford that right now. I have to buy a radiator first because the leak got worse ..., Kind of odd. I keep getting codes P0102, P0112, P0113. P0112, P0113 do not come up at the same time. It all depends on which wires are connected together. Page D-299 in the 2007 Electrical Manual is different than the pic posted here. ... A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Come join the ..., Feb 20, 2024 · Definition and Meaning. If your check engine light is on and you’ve scanned your vehicle’s computer, seeing the P0102 code can be concerning. This code indicates that there is a low circuit signal from the Mass Airflow (MAF) sensor. The MAF sensor is an essential component of your vehicle’s engine management system, as it measures the ... , Here are some steps you can take to diagnose P0102 in your Chevy Spark. Check the air filter: A dirty air filter can restrict airflow and cause the MAF sensor to give a low input reading. Make sure the air filter is clean and not clogged. Inspect the MAF sensor: The MAF sensor may be dirty or faulty. Inspect the sensor and clean it if necessary ..., 2005 gmc sierra 1500 5.3, 95000 miles driving along fine and engine light flashed and engine died, won't run now and have scanned with codes P0756,P0102,P0300, checked all coil packs, injectors, fuel …, Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer’s instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code., Replacing the Mass Air Flow Sensor on my 2000 Chevy Impala with the 3.8 V6 with DTC P0102, The P0102 engine code is triggered due to one or more of the following causes: Dirty MAF sensor. Loose connections. Damaged or corroded MAF connectors and wiring. Faulty air filter. Damaged wirings of the sensor. Faulty sensor. Carbon deposits on the MAF sensor screen. Vacuum leaks., The GM Family First Program is a discount program for General Motors employees and their families. The discount is applicable toward the purchase of Buick, Chevrolet, Cadillac or G..., Dec 30, 2016 · P0103. The ECM detects that the MAF sensor is greater than 527 g/s for greater than 3 seconds. Action Taken When the DTC Sets. DTCs P0102 and P0103 are Type B DTCs. The ECM commands reduced engine power. DPF Regeneration is Inhibited. The driver information center (DIC) or indicator may display reduced engine power. , OBD-II Code P0102 means that the Engine Control Module (ECM) has detected a low voltage output from the Mass Air flow Sensor. The Mass Airflow Sensor (MAF) m..., This code indicates that there is a low circuit signal from the Mass Airflow (MAF) sensor. The MAF sensor is an essential component of your vehicle’s engine …, P0102 is the general code for a problem with the Mass Airflow (MAF) Sensor having a low voltage output to the Engine Control Unit (ECU). How much does it cost to repair a p0102 Chevy? The cost of diagnosing the P0102 CHEVROLET code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and ..., A MAF sensor diagnostic trouble code (DTC) stored in your vehicle computer's memory. P0100: Mass Air Flow (MAF) Sensor Circuit Malfunction. P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input., Fault code P0102 is present. Scanner indicates Mass Air Flow - Answered by a verified Chevy Mechanic. ... L1, Master GM Technician. Over 20 years of bumper to bumper GM experience. Mike S. Chevy Mechanic. 2,417 satisfied customers. ASE Certified Master Technician. Ted G. ASE Certified Technician., Diagnostic trouble code (DTC) P0151 stands for "O2 Sensor Circuit Low Voltage (Bank 2, Sensor 1). It means that the oxygen sensor's voltage has remained lower than factory specifications for a certain amount of time. P0151 code warns about a fault with the upstream oxygen sensor on Bank 2. The code P0151 is similar to P0136, P0137, and P0131., Clean the Mass Air Flow (MAF) Sensor: A dirty MAF sensor can cause the P0102 code to appear. You can clean the sensor with low compressed air or MAF sensor cleaner. Be sure to follow the manufacturer's instructions carefully. Replace the Air Filter: A clogged or dirty air filter can also cause the P0102 code.