P0103 chevy silverado

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The truck runs fine and shows no issues whatsoever. No check engine light either. here are the codes. P0101 MAF sensor performance. P0102 MAF sensor circuit low frequency. P0103 MAF sensor circuit high frequency. P0106 MAP sensor performance. P0108 MAP sensor circuit high voltage. P0112 IAT sensor circuit low voltage.Oxygen Sensor. The P0171 code is thrown when the bank one sensor one O2 sensor reports that your Silverado’s engine is running lean. The sensor on or right after the exhaust manifold is typically the sensor that reports the lean condition. If it is malfunctioning, it can cause a false P0171 code. Swap Test.A P0134 code on a Chevy Silverado means the oxygen sensor in the front of the engine is not active. This sensor is connected to the power control module, which controls the engine. Without proper oxygen in the exhaust, the car uses more fuel and emits harmful gases, including carbon monoxide and hydrocarbons. This code can also be a result of a ...If you have a Chevy Silverado with a check engine light, and after scanning for a trouble code, you get a P0102, there is an issue with the ECM reading the mass airflow. This is usually a problem with the mass airflow MAF sensor low voltage output but can also be caused by other things.Figured I would start with the throttle body, that was it. I called the dealership to get a price and they wanted $275 and $60 for the gasket. Decided to order them online and got them for $129 with overnight shipping from Rockauto.com. Got here the other night and my truck was purring like a kitten within five minutes.Used 2010 Chevrolet Silverado 1500 Extended Cab pricing starts at $6,764 for the Silverado 1500 Extended Cab Work Truck Pickup 4D 6 1/2 ft, which had a starting MSRP of $27,895 when new. The range ...Howdy y'all, I have a 2004 Chevy Silverado with a 5.3. My current account Robles is that it keeps giving me p0101 and p0300 codes. It has random misfires on all cylinders when idling, and the check engine light starts flashing when I get around 2.5-3k rpm. I already replaced the mass air flow sensor and checked for vacuum leaks on the intake ...

The P0113 is pointing to a fault in the Intake Air Temp Sensor. However, I believe the root of your problem that is setting these codes is the P0102, which is pointing to a fault with the Mass Air Flow Sensor. Inspect the Air Filter Duct and make sure there are no cracks, holes or loose/missing connections. Inspect the air filter and make sure ...36 posts · Joined 2016. #4 · Jan 28, 2017. Vane sensor and the solenoid have been replaced and the p003a code still comes up. Only when the truck tries to do a relearn (coolant temp 160+, at idle). I have ran the exhaust brake and can positively say that the vanes are not stuck. Its gone full range 0-100% with the exhaust brake.P0102 code chevy silveradoHow to fix a p0521 code chevy silverado sierra tahoe - backyardmechanic P0172 silveradoP0157 2014 chevrolet silverado: code meaning, causes, symptoms, & tech. Silverado transmission p0101 repairpalP0101 maf vaf Mass air flow sensor code p0101P0101 - mass air flow (maf) sensor/volume air flow (vaf) sensor range.To diagnose the P0097 Chevrolet code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour.A trouble code P0102 is triggered when there is low airflow registered by the Mass Air Flow, or MAF, sensor. When this happens, you need to know how do I fix trouble code P0102?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.

P0103 Chevy Silverado. Chevy silverado p0135 obdii code diagnosis Silverado p0741 p0121 p0442 obdii somewhat. 13 Aug 2023. 1997 chevrolet k1500 off road Part 1 -how to test the gm maf sensor (p0100, p0101, p0102, p0103) Silverado p0446 p0135 p0305 evaporative emission p0455 obdii vent leak detected occurs caused evap.Potential causes for this trouble code may include: Dirty or contaminated mass air flow sensor. Failed MAF sensor. Intake air leaks. MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.) Note that other codes may be present if you have a P0103.8387 posts · Joined 2015. #1 · Dec 29, 2015. For my '04 Sierra 3500, I've just recently been getting these codes: P0101 Mass or Volume Air Flow Circuit Range / Performance Problem. P0172 System Too Rich (Bank 1) P0175 System Too Rich (Bank 2) The freeze frame data when it happens is: Fuel System Status Bank One Closed Loop.To diagnose the P0103 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour.Save up to $9,562 on one of 48,684 used Chevrolet Silverado 1500s near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools.

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To diagnose the P0097 Chevrolet code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour.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 ...OBD-II Code P0103 is defined as a Mass or Volume Air Flow Circuit High 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 P0103 is set when the Powertrain Control Module detects a ...2005 Chevy Silverado 2500, Black, 4 Door, Long Bed, Duramax 6.6 LLY 4WD....Stock. Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread. Insert Quotes Quotes Post Reply. ...2000 Chevy Malibu MAF Ground problemThis is a good video on how to check sensor grounds using a voltmeter. Once you get more comfortable with this type of te...

P0102 current MAF sensor low voltage. Cleaned maf and reset codes. Cel came back immediately. Inspected connector and backprobed the wiring to check voltages on + and ground and signal wires. All seemed to be ok. Not able to read Hz though. Torque pro maf sensor data showed 5.6g/s at idle after cold start and as low as 4.1g/s at operating temp.P0102 current MAF sensor low voltage. Cleaned maf and reset codes. Cel came back immediately. Inspected connector and backprobed the wiring to check voltages on + and ground and signal wires. All seemed to be ok. Not able to read Hz though. Torque pro maf sensor data showed 5.6g/s at idle after cold start and as low as 4.1g/s at operating temp.P0157 is a common OBDII code that occurs in the Chevy Silverado, it's a general code (this means that it has the same meaning for any vehicle). This code typically indicates that there is an issue with the wiring or harness going to the sensor, or the sensor itself is bad. There are other things that.Hey guys I hope this video helped you out! I was having some issues with my 1998 Chevy and it turned out that it was the Resistors inside of my MAF sensor ...I had a p0103 on my 2000 Corvette, and it turned out to be an open wire to the MAF, a common problem with them as the the harness flaps in the wind and fatigues the wire. ... Chevy Silverado Forum (GMC Sierra) Member Introductions General Chevy & GM Tech Questions Chevy Suburban Forum (GMC Yukon XL) GM Powertrain. Top …Jun 2, 2016 · This code is similar to P0100 – MAF sensor circuit malfunction. The difference between the two codes is that the PCM has identified the sensor output as faulty for a P0102 code. Hot-wire MAF sensors often become dirty causing a P0102 code. When diagnosing MAF sensor codes, understanding fuel trims is very important. Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/77/ai/air-flow-meterA failure with the mass airflow sensor can be the cause of many engine, emissions,...Repairing P0303 should be considered a high priority. Unlike a lot of the OBDII codes, this code has to do directly with engine combustion. It also can cost money to ignore it, since driving with a misfire can damage the Silverado's catalytic converter. The most common repair for P0303 is changing the spark plugs.2003 chevy tahoe errors p0102, p0171, p0174: engine performanceFixing p0102 engine code Tahoe hybrid chevrolet chevy battery 2009 2007 p0496 cells cars generation warranty suburban deer 2008 months prices rebuilt car symptomsChevrolet tahoe lt: q&a on p2534, dtc p0532, gm dtc p0452.

Why the P0102 Chevy Silverado Code Appears and How To Fix It - Ran When. Check Details. P0102 p0053 codes,cel and t/c light on. P0102 chevy silverado?Why the p0102 chevy silverado code appears and how to fix it What is p0102 engine code [quick guide]P0113 jeep grand cherokee. P0102 chevy silverado (main causes & possible fixes) .

P0102 can also mean a number of problems with your Chevy. Your Silverado’s mass air flow sensor (MAF) may be dirty. You can clean this sensor with low-pressure air or mass air flow sensor cleaner. Otherwise, you may need to visit your mechanic. If you’re not sure what the issue is, you can try a few DIY fixes.Oct 15, 2021 · The P0102 code stands for “Mass Air Flow (MAF) Circuit Low.”. It’s logged when the ECM or PCM detects an issue with the MAF sensor’s performance. Some potential issues that could trigger the code include a dirty or faulty MAF sensor, circuit problems, and PCM troubles. The symptoms of code P0102 include a lit check engine light, a rough ... If you have a Chevy Silverado with a check engine light, and after scanning for a trouble code, you get a P0102, there is an issue with the ECM reading the mass airflow. This is usually a problem with the mass airflow MAF sensor low voltage output but can also be caused by other things.The P0300 code specifically applies to the Chevrolet Silverado and refers to engine misfires. When this code is triggered, it indicates that the engine has detected random misfires in multiple cylinders. These misfires can result in poor engine performance, reduced fuel efficiency, and potential damage to other engine components.AC DELCO Mass Airflow Sensor: amzn.to/2pul9poReplacing and cleaning the Mass Airflow Sensor on my Chevy Silverado. I was getting the check engine light wou...p0103 is for the Mass Air Flow . P0113 is the intake air temp sensor which is also in the mass air flow sensor. there have been some issue with the wiring harness and I am including those below. Page 1: ... I have a 2006 Chevy Silverado 3500 4wd 6.6, when I give it gas, the truck goes into limp mode at around 2000 rmp. ...2020. P0102 is actually a pretty common code returned in a Chevy Silverado. The code is triggered by the mass air flow (MAF) circuit. If the circuit is low, it can't perform at its required operating range. This really takes a toll on vehicle performance. The most common reasons for the MAF to trigger this code is that the sensor is d***y or ...Labor: 1.0. The cost to diagnose the P0103 GMC code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

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Apr 13, 2022 · Duramax. Chevy Mechanic: DarrenD41. Okay, p0103 is a mass air flow sensor code but as you have already changed it, I would recommend checking air filter for restrictions and check for any air intake system leaks after the mass air flow sensor. P0301 cylinder 1 misfire. 2008 Chevy Silverado 5.3 cylinder 1 misfire. Had the plugs just changed out. Changed the ignition coil and injector from cylinder 1 to 2 have not switched them back and the problem stayed in cylinder 1. Their is a small leak where the headers connect to the pipes on the driver side next to the fire wall.The price of the 2021 Chevrolet Silverado 1500 starts at $28,995 and goes up to $55,295 depending on the trim and options. We recommend the well-equipped LT model with the 5.3-liter V-8, crew cab ...The great American sports car is going electric. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. The great American spor...I have a 2005 chevy Astro van 4.3 has P0102 mass air code replaced the mass air flow meter 3 times 2 remans and 1 new - Answered by a verified Chevy Mechanic. ... My 2002 Chevy Silverado service engine soon light comes on, IT has 64k miles. The code indicates bank 1 and bank 2 too lean.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...2003 chevy tahoe errors p0102, p0171, p0174: engine performanceFixing p0102 engine code Tahoe hybrid chevrolet chevy battery 2009 2007 p0496 cells cars generation warranty suburban deer 2008 months prices rebuilt car symptomsChevrolet tahoe lt: q&a on p2534, dtc p0532, gm dtc p0452.To diagnose the P0103 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour. ….

Chevy Silverado and GMC Sierra Forum. 1.4M posts 180.9K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . Full Forum Listing ...How to fixes a Chevy Silverado 5.3L engine with a P0171 Code System Too Lean (Bank 1)Read here for more information: https://www.backyardmechanic.org/fixes-f...August 16, 2023 by Jason. The P0120 code on your Chevy Silverado indicates an issue with the throttle position sensor (TPS). This sensor plays a crucial role in your truck's performance, as it monitors the throttle valve opening percentage and provides input to the engine control module (ECM) to help regulate fuel and air intake. When the ...Some of the possible causes of the P0103 code include a faulty MAF, an issue with the MAF's circuit, and PCM problems. P0103 Mass Air Flow MAF Circuit High. Potential …2003 Tahoe 5.3 cut off while driving the other day I got it home luckily and put a code reader on and it shows a p0101 maf code and a misfire … read more. Automotive service technol... Keep getting 00101 code and sometimes p0172. Add p0174. 03. New maf, new intake gaskets, checked for vacuum leaks … read more.P0103 Mass or Volume Air Flow "A" Circuit High Input; P0104 Mass or Volume Air Flow "A" Circuit Intermittent; Photo of a MAF sensor: ... 2002 silverado 1500 4x4 5.3 l engine codes p0101 p0300 i have a 02 chevy silverado 5.3 liter 83000 mile replaced maf sensor o2 sensors before cat still getting p0101 and p0300 codes can anyone help me ...Code 0495 (engine cooling fan speed too high). Took it into a dealer in the town I am visiting. They cleared the code, took it for a 35 mile test drive, and said no other issues since the code did not pop up again. However, the problem is still there. The cooling fan is clearly locked up because the truck sounds like a jet at all engine speeds.Apr 13, 2022 · Duramax. Chevy Mechanic: DarrenD41. Okay, p0103 is a mass air flow sensor code but as you have already changed it, I would recommend checking air filter for restrictions and check for any air intake system leaks after the mass air flow sensor. P0103 chevy silverado, Chevrolet Silverado 2014 2018 L83, L86 Silverado LD 2019 2019 GMC Sierra 2014 2018 Sierra Limited 2019 2019 Involved Region or Country North America, Middle East, Israel, Thailand and Chile Condition Some customers may comment that: • MIL is illuminated • Cruise control inoperative Some technicians may find one or more of the following DTCs ..., July 5, 2022 by Jason. P0523 is a standard OBD2 trouble code that can occur in the Chevy Silverado. In layman's terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps will depend on your Silverado ..., The mass air flow sensor or MAF sensor is part of the intake system in Chevy Silverado 3500 HD responsible for measuring the amount of air entering the engine. Driving your Silverado HD with a bad MAF sensor can damage the engine, so you must act urgently to avoid more expensive repairs. ... P0103 = Mass or Volume Air Flow Circuit High Input ..., The multifunction intake air sensor houses the IAT sensor 1, IAT sensor 2, Humidity sensor, Mass Air Flow ( MAF) sensor and BARO pressure sensor. The Diagnostic Trouble Code (DTC) ECM detects that the IAT sensor 1 signal is colder than -60°C (-76°F) for greater than 5 s. P0113 Chevrolet Code - Intake Air Temperature Circuit High Input., Diagnostic trouble code P0113 stands for "Intake Air Temperature (IAT) Sensor Circuit High Input.". If your OBD-II scanner reports this code, it means your car's computer has determined that there's a problem with the IAT sensor 1 or its circuit. A working IAT sensor sends its readings to the PCM. Guided by this data, the computer ..., Some of the possible causes of the P0103 code include a faulty MAF, an issue with the MAF's circuit, and PCM problems. P0103 Mass Air Flow MAF Circuit High. Potential …, Jan 7, 2023 · 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. This trouble code indicates that there’s a low condition within the mass air flow sensor or circuit. This diagnostic trouble code (DTC) is ... , 2000 Chevrolet Silverado RCSB Z71 SS Clone Cammed Stalled 6.0 6"rcx 35s Sold 2001 Chevrolet Silverado RCLB Duramax 4wd Zf6 2011 Chevrolet Camaro SS Tr6060 Longtubes Off Road X pipe Cammed Tuned. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions., Getting code: p0097, p00F4, p0102, p0101, and p2199. I cleaned the MAF, replaced air filter and cleaned air filter box. Erased codes. Same codes. Replaced MAF, erased codes, restarted. Same codes. Found Bulletin 18-NA-217 which seems close, but wrong year model. Mine is 2016 1500 LTZ 350., In conclusion, the P0103 code is a common OBD-II code that indicates a high input from the MAF sensor circuit. The causes can include a faulty MAF sensor, damaged electrical connections, or leaks in the air intake system. The symptoms might include poor engine performance, decreased fuel efficiency, and the check engine light coming on., P0102 Chevy Silverado Code is all about the poor or improper air-fuel mixture that is being delivered to the engine of your Chevy Silverado, this problem might not look that dangerous but it can turn out to be havoc if ignored. As the improper air-fuel mixture being delivered to the engine might lead to excessive burning of fuel during ignition ..., Getting code: p0097, p00F4, p0102, p0101, and p2199. I cleaned the MAF, replaced air filter and cleaned air filter box. Erased codes. Same codes. Replaced MAF, erased codes, restarted. Same codes. Found Bulletin 18-NA-217 which seems close, but wrong year model. Mine is 2016 1500 LTZ 350., Chevrolet Silverado (Mass Air Flow Sensor) MAF is becoming the most common issues on vehicles now and days., 1968 Chevy C-10 with 5.3 liter and P0178 code Installed 2006 5.3 liter engine out of Silverado in my '68 C-10. All necessary (?) components for engine were also used from the Silverado. Engine seems to run okay, but a P0178 code is flagged. I was told this is related to low voltage from the fuel composition sensor. Not sure if this is a sensor ..., 2004.5 Chevy Silverado CCSB LS 4x4. LLY, K&N CAI, 4" Stainless exhaust w/ 5" tip, Edge Juice w/ Attitude, FASS 150 Titanium lift pump, Deviant race valve, Mickey Thompson aluminum rims w/ 285x65x16 Cooper Discoverer ST Tires, Leveled, Westin bull bar and steps, LED lights, A.R.E Topper, Rhino Liner, Air compressor and 5gal tank., P0102 code: mass air flow (maf) circuit lowChevy 1997 engine silverado po300 cheverlet siverado I have a 1997 chevy silverado 5.7 engine truck has three codes po113.. Check Details Check Details. Chevy Impala p0102 Mass Air Flow - YouTube. Check Details. P0102 p0053 codes,cel and t/c light on - Chevy HHR Network. Check Details, K1500 1997 chevrolet road off Bangshift.com 2014 chevrolet silverado 1500 z71 1997 chevrolet c/k k1500 silverado extended cab 4x4 in olympic white Silverado p0741 quite trouble. ... P0103 Chevy Silverado 04 Jul 2023. P0174 silverado solved gm trucks edited september 1997 chevrolet k1500 off road Chevy silverado p0135 obdii …, Code P0122 is triggered when your vehicle's Engine Control Module (ECM) detects that your Throttle Position Sensor (TPS) circuit A is reporting an output voltage that is below its expected voltage. Depending on your vehicle, your TPS lower output voltage limit should be around .17 to .20 volts, and if the ECM detects that it has dipped below ..., The Silverado’s computer uses the oxygen sensor to measure the amount of O2 gases in the exhaust. It uses this data to tune the engine on the fly. When there is no signal from this oxygen sensor, the engine will not be able to run at optimal efficiency, and you’ll get that annoying check engine light. P0134 affects Bank 1 Sensor 1., P0171 definition: Bank 1 has too much air or not enough fuel. 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 damage to spark plugs, pistons, and catalytic converters. Diagnosis: It is important to complete the entire diagnostic ..., I have a 2007 Chevy Silverado with a Duramax engine. The check engine light keeps coming on with code P0101 MAF - Answered by a verified Chevy Mechanic ... DTCs P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0642, P0643, P0652, P0653, P0698, P0699, P2228, P2229 are not set. • The intake air temperature (IAT) is warmer than ..., Jum. I 12, 1443 AH ... Reading out the fault codes using a diagnostic device is relatively reliable. If you see P0100, P0101, P0102, P0103 or P0104 code in the OBD2 ..., Brunswick Land. Brunswick Land ( German: Braunschweiger Land) is a historical region in the Southeast of the German state of Lower Saxony, centred around the city of Braunschweig. It refers to the core territory of the historic Duchy of Brunswick and its successor, the Free State of Brunswick, which was disestablished in 1946., Silverado 3500 HD is offered as a Crew Cab with Standard Bed or Long Bed and is available in a single rear wheel (SRW) or dual rear wheel (DRW) configuration. Front Head Room. 43.03 in. Front Leg Room. 44.54 in. Front Shoulder Room. 66.02 in. Discover the unstoppable 2024 Chevrolet Silverado HD Heavy Duty Truck with an enhanced …, 2005 Silverado 2500HD LS 6.0 L gas Codes P0641 and P0102 MAF A low circuit and Sensor Ref Voltage A circuit open. Cleaned MAF sensor. Car ran for ten miles, but next morning would crank but not start. Replaced MAf Sensor still will not start. ssems like not getting enough fuel. Mechanic's Assistant: Does the engine stall right after starting?, Used 2015 Chevrolet Silverado 1500 Regular Cab pricing starts at $12,561 for the Silverado 1500 Regular Cab Work Truck Pickup 2D 6 1/2 ft, which had a starting MSRP of $27,865 when new. The range ..., Chevy Silverado P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it's going to be the sixth cylinder in the firing order. It won't be the sixth cylinder that you might see when looking at the ..., To diagnose the P0103 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour., The second issue is the wiring near the throttle body. The wiring tends to break a few inches from the connector. check these out and see. Another common issue is the wiring near the throttle body itself. There are some wires there that can break inside the insulation and cause this. Check the wiring carefully near the throttle and about 6" back., Chevy silverado p0102: maf sensor - circuit low Chevy p0102 sensor maf silverado code circuit low, This group includes P0100, P0102, P0103, P0104. These are generic trouble codes that can be found on many newer vehicles with onboard diagnostic systems. ... 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;, The powertrain control module (PCM) is responsible for monitoring the reading of the air temperature entering the intake. The PCM looks for the 5-volt reading from the IAT sensor. If it comes back higher than that, the P0113 trouble code gets set in the computer. The PCM uses this measurement to adjust the fuel-air ratio., In conclusion, the P0103 code is a common OBD-II code that indicates a high input from the MAF sensor circuit. The causes can include a faulty MAF sensor, damaged electrical connections, or leaks in the air intake system. The symptoms might include poor engine performance, decreased fuel efficiency, and the check engine light coming on.