P1101 chevy cruze 2013

Jun 25, 2021 · If you have a 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, or 2019 Chevy Cruze or Chevy Sonic, and your engine is running rough and you have a check engin...

P1101 chevy cruze 2013. 2 posts · Joined 2013. #1 · Oct 14, 2013. For about the last 2000 miles my 2012 Cruze Eco has been showing multiple codes including P015B, P0106, P1101. I am currently at 47980 miles. Previously there were some codes related to O2 sensor and the Chevy dealer told me that the sensor replacement was not covered by warranty.

#chevrolet #howto #diy #repair #car #subscribe #new #like CHEVROLET CRUZE CODE P1101: KEEP COMING BACK - This Video Will Fix It!CHEVROLET CRUZE CODE P110,che...

P1101 Chevy Cruze: What Does It mean. For MAF, which stands for mass airflow, the standard trouble OBD II code is P1101. If this trouble code shows up after the OBD II scan in your car, then it means that the PCM (powertrain control module) has identified an issue with the mass airflow (MAF) sensor's voltage.Check if Chevrolet has issued a Factory Service Bulletin for the P1101 code (2013 - Up Models): → Check here What is the Cost to Diagnose the Code P1101 Chevrolet? …Valve cover / PCV valve replacement instructions to correct engine error codes P0171 & P1101 on a Chevy Cruze 1.4L turbo.2011-2015 CHEVY CRUZE ROUGH IDLE FIX...Apr 5, 2019 · P1101 is a diagnostic trouble code (DTC) for "Mass Airflow Sensor Out of Self Test Range". P0106 is a diagnostic trouble code (DTC) for "Manifold Air Pressure (MAP) Barometric Pressure Sensor Electric Circuit Output Range and Performance Problem". P0106 P0171 P1101 P2270 Cruze fault code repair. Rocker cover PVC diaphragm split causing air leak.

It is running rough at idle, seems to misfire every few seconds, and has reduced power when accelerating. This following link has some good information, but I am not sure how to diagnose without just buying new parts: Chevy Cruze P1101 and P0171 Trouble Codes | Drivetrain Resource The codes are thrown after it warms up for about 10 minutes. It ...See full list on mechanicbase.com From the Catback! Sorry it got cut off but I finally got that code to go away for good after many attempts of seeing what it could be. Subscribe for more vid...Check eng. on codes p0106 p015b p0171 p1101 2013 cruze turbo. Does not reset. Changed. I changed map - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... Hi, Our 2011 Chevy Cruze has 58,000mi and has started running rough and even dies at stops. The Chevy dealer reset …Jul 25, 2023 · The P1101 code in Chevy Cruze is usually caused by a problem in the intake system. One of the most common causes is a faulty Mass Airflow Sensor (MAF). The MAF is responsible for measuring the amount of air entering the engine, and if it is not working properly, it can cause the P1101 code to appear. In this video I have a look at a 2013 Chevy Cruze that has an engine light on with a code P0597 and a P0598 .The customer also wants me to look at the TPMS l...For Chevrolet Cruze only, a missing or mispositioned air baffle in the air cleaner box could cause the TPS readings to be low and the vehicle setting P1101. Verify the air baffle is in the proper place before continuing with diagnostics. Refer to the pictures below. Chevrolet Cruze Only 3581987 Chevrolet Cruze Only 3581988Far and away, the most common trouble codes on the Chevy Cruze are P1101 and P0171. They are OBD-II trouble codes. It's usually a bad MAF sensor or air has gotten in where it should not have when these codes are combined. Jump to: P1101 P0171 P1101: MAF Out of Self Test Range. www.700r4transmissionhq.com.

This particular Cruze is a 2012 1.4 Turbo but this procedure is very similar to allot of Chevy ans other years Cruze's.Recently I had been felling the car ru...P0106 and P1101 To be honest, ... 5469 posts · Joined 2013 ... Enjoy banner ad-free browsing with Chevrolet Cruze Forums Plus. Learn more. Chevrolet Cruze Forums. CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze.There are quite a few trouble codes that are related to the P1101 on Chevy Cruze, these include the P1001, P1100, P1102, P1103, P1104, and P1105 codes. However, there is one code that is more strongly related to the P1101 Cruze code, which is the P0171. Upon fixing the mass air flow sensor issue, the P0171 might also be cleared.There’s a video on that a few paragraphs up in the P1101 section. Far and away, the most common trouble codes on the Chevy Cruze are P1101 and P0171. They are OBD-II trouble codes. It's usually a bad MAF sensor or air has gotten in where it should not have when these codes are combined. Jump to: P1101 P0171 P1101: MAF Out of Self Test Range.Aug 14, 2019 · Will the P1101 code make the Cruze stop running? The P1101 code typically will not be enough to make the engine not run. A bad mass air flow sensor is enough to make the engine: Idle poorly; Consume more fuel; Lose power; If left unchecked, a bad MAF sensor can lead to other engine problems. Vacuum leaks: Vacuum leaks can also disrupt the airflow and lead to improper MAF readings. P0101 code in the Chevy Cruze is crucial to maintaining your truck's performance and ensuring it runs efficiently. This code indicates that there is a problem with your car's Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue.

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P1101, P0171 Engine Code. I've been having an issue with my 2013 Chevy Cruze Lt sputtering at idle and randomly raising the RPM at idle also. The P1101 code said it was the Mass Airflow Sensor so I replaced it and it does run a little better but I still have all the same symptoms as before just minus the P1101 Code.A P1101 fault code on a Chevy Cruze usually means that the car cannot perform a self-test in a critical system known as the Mass Air Flow Sensor.stei3403 said: Hello, New to the forum. I have a 2012 Cruze eco 1.4L Turbo that just started running extremely rough all of a sudden and threw a bunch of codes. Vehicle idles and runs very rough, stalls, misfires, sputters, etc. Codes: P0301 - Cyl 1 misfire. P0601 - PCM read only memory (ROM) - checksum failure. C3103.P1101 Set This bulletin replaces PIP5417C. Please discard PIP5417C. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2016 2019 1.4L (RPO LE2) Chevrolet Cruze 2016 2019 1.4L (RPO LE2) Equinox 2018 2020 1.5L (RPO LYX) Malibu 2016 2020 1.5L (RPO LFV) Trax 2019 2019 1.4L (RPO LE2) Volt 2016 2019 1.5L (RPO L3A) GMC ...Apr 27, 2020 · From the Catback! Sorry it got cut off but I finally got that code to go away for good after many attempts of seeing what it could be. Subscribe for more vid...

Lou Palomino. associates in automotive te... 12,103 satisfied customers. 2014 cruze 1.4l turbo throwing codes: p0106, p0171, p1101, 2014 cruze 1.4l turbo throwing codes : p0106, p0171, p1101, p2270. there is a hissing coming from the top right of the valve cover (as it sits in the … read more.Dec 26, 2016 · not our usual import customer today but thats ok! This video is to show you how we diagnosed and repaired the p0171, p1101 DTC and low power complaint on thi... Valve cover / PCV valve replacement instructions to correct engine error codes P0171 & P1101 on a Chevy Cruze 1.4L turbo. 2011-2015 CHEVY CRUZE ROUGH IDLE FIXED! CODES P0171 P1101 P0106 FIXED! PVC ...Dec 13, 2021 · If you drive an Buick Encore, Chevy Sonic or a Chevy Cruze and have these codes p015B p0171 p1101, check your purge valve and watch this video. Billy walks y... Hey there this is my first YouTube upload so please don't be too mad at me for any mistakes, I can improve and will in the future. I am just trying to help p...The engine control unit (ECU) in a Chevy Cruze tests all the sensors attached to the engine upon startup and switches on the Check Engine Light (CEL) if any …Get Additional Help. The OBD code P1101 is a trouble code that appears when the Power Control Module (PCM) detects a fault within the Mass Air Flow (MAF) sensor system. When this code sets, the ... 4.6K views 3 years ago. Valve cover / PCV valve replacement instructions to correct engine error codes P0171 & P1101 on a 2013 Chevy Cruze 1.4L turbo. Show more.

When a P1101 trouble code is stored, it means that the PCM detected a discrepancy with the voltage from the MAF sensor. This problem can be detected while the PCM is running a self diagnostic called a Key On Engine Running (KOER) test. When the voltage from the MAF sensor is greater or lesser than the voltage allowed by the manufacturer, the ...

What The P1101 Chevy Cruze Trouble Code means. The P1101 Chevy Cruze code is stored when the PCM detects a problem with the Intake Air Flow System’s …When a P1101 trouble code is stored, it means that the PCM detected a discrepancy with the voltage from the MAF sensor. This problem can be detected while the PCM is running a self diagnostic called a Key On Engine Running (KOER) test. When the voltage from the MAF sensor is greater or lesser than the voltage allowed by the manufacturer, the ...ChevyGuy. P1101 - The engine control module compares actual airflow based on throttle position (TP) to a calculated airflow based on manifold absolute pressure (MAP) sensor, and mass air flow (MAP). The code sets if the ECM detects that the actual airflow rate is grater than the calculated airflow.What Is a Chevy Cruze P0171 OBDII engine code and what are the fixes?Read here for more information: https://www.backyardmechanic.org/what-is-a-chevy-cruze-p...P1101 is one of the most common Chevy Cruze trouble codes. Whenever you start the vehicle, the mass airflow sensor does a self-diagnostic. If the results of this test are out of range, then the P1101 trouble code is thrown. Several issues can cause the mass airflow sensor to fail the diagnostic.P1101, P0171 Engine Code. I've been having an issue with my 2013 Chevy Cruze Lt sputtering at idle and randomly raising the RPM at idle also. The P1101 code said it was the Mass Airflow Sensor so I replaced it and it does run a little better but I still have all the same symptoms as before just minus the P1101 Code.For Chevrolet Cruze only, a missing or mispositioned air baffle in the air cleaner box could cause the TPS readings to be low and the vehicle setting P1101. Verify the air baffle is in the proper place before continuing with diagnostics. Refer to the pictures below. Chevrolet Cruze Only 3581987 Chevrolet Cruze Only 3581988

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In this video, I'll show you step by step how to replace the thermostat housing on a 2012 Chevrolet Cruze, a very common issue that causes a check engine lig...Hello, it looks like your post mentioned one or more of the following ODB-II codes: P0171, P0106, P0299, P0507, P1101 and/or P2096. On the Generation 1 Chevy Cruze with a 1.4L engine (years 2016 and older; Generation 2 was introduced in 2016, so you'll need to confirm which one you have if yours is a 2016), these codes can occur after the failure of a PCV check valve, which is located inside ...P0171 and P1101. Hello! My name is Bobby from Las Vegas and I own (only owner) of a 2013 Chevrolet Cruze LT. The two codes P0171 and P1101 prompted me to change the valve cover, the intake manifold, fuel injectors, MAF, MAP, O2 upstream sensor, purge valve (canister), air filter, and new battery. My OBD shows the catalytic converter …About a week ago my 2014 1.4L Cruze was idling rough, lack of power, etc and throwing out codes: P0106, P0171 and P1101. I took it to my local Chevy dealer and they replaced the intake manifold and the valve cover. When I got the Cruze home, the check engine light came back on and is now showing codes P015B, P0171, P1101.Engine Code P1101 for a 2013 Chevy Cruze. The before my engine started to turn off seconds after starting the vehicle, it would be slow to accelerate, has a rough idle, and skipped from time to time. White smoke also comes out of engine.Dec 29, 2022 · Chevrolet Cruze P0101 definition: Mass Air Flow (MAF) Circuit/Performance Malfunction. 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 internal engine failure. Diagnosis: Code P0101 does not pose any danger to the driver and will not ... Now before we dive into the causes of the P1101 Chevy Cruze code, let’s first learn more about the MAF sensor. Knowing the basics will help you understand the problem a lot better and possibly sort it out. Nevertheless, the MAF sensor is a special sensor that is very crucial for the proper engine work. The MAF abbreviation stands for Mass Air ...May 23, 2019 · A friend of mine has a 2013 Chevy Cruze (1.4L) with the following codes: P0171: System Too Lean (Bank 1) P015B: O2 sensor Delayed Response - Lean to Rich Bank 1 Sensor 1. P1101: Intake Air Flow System Performance. P2270: O2 Sensor Signal Stuck Lean - Bank 1\, Sensor 2. I need to ask him what symptoms he is experiencing (I think maybe some rough ... Customer brought in a 2016 Chevrolet Cruze 1.4l Turbo with a P1101. Could it be a dirty throttle body? Is it as easy as cleaning? Let's find out...Launch Dis...Join me in troubleshooting this 2013 Cruze with a misfire complaint, and let's learn together! Troubleshooting techniques seen in this video include...Coil...Check eng. on codes p0106 p015b p0171 p1101 2013 cruze turbo. Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it? Yes does not reset. Mechanic's Assistant: Are you fixing your Cruze yourself? What have you tried so far? ChangedCode p1101 on a chevy cruze means that the mass airflow sensor has detected an issue out of the normal range. Like (15) Julius T January 27, 2022 I just changed my mass air flow sensor and the light went out and came back on 3hrs later and now the question how far the problem goes Like (12) Joseph A February 5, 2022 ... ….

The P1101 code in Chevy Cruze is usually caused by a problem in the intake system. One of the most common causes is a faulty Mass Airflow Sensor (MAF). The MAF is responsible for measuring the amount of air entering the engine, and if it is not working properly, it can cause the P1101 code to appear.Aug 27, 2020 · P1101 is one of the most common of the Chevy Cruze trouble codes. Whenever you start the vehicle, the mass airflow sensor does a self diagnostic. If the results of this test are out of range, than the P1101 trouble code is thrown. There are a number of issues that can cause the mass air flow sensor to fail the diagnostic. May 27, 2016 · I have the following codes on my Chevy Cruze. Codes P0507, P1101, P0171, P0106, P015b. I also have a recall on the vehicle and was wondering if the issue with the recall could be causing the codes. Also if the issue with the codes are covered under the powertrain warranty. Any info on the codes or insights to the issue is greatly appreciated. 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues The following is all from: Chevy Cruze P1101 and P0171 Trouble Codes | Drivetrain Resource P1101: MAF Out of Self Test Range P1101 is one of the most common of the Chevy Cruze trouble codes. Whenever you start the vehicle, the mass airflow sensor does a self diagnostic. If …A Chevy Cruze P0299 code happens when the onboard computer (ECM) sees low pressure in the manifold. It is an underboost code the ECM sends out when it detects an underboost condition exists. The boost is the amount of positive pressure that is being created by the turbocharger. When the pressure is low, an underboost condition will exist, which ...Info: 2013 Chevrolet Cruze LTZ RS: 1.4 Turbo; 120,000 miles; Dorman Valve Cover installed; PCV Fix Kit V3 installed; Problem: Check engine light is on, rough idle, and the only code showing is P0102, I have replaced and done many things on the engine and the code still showing and MAF reading is 0.1g/s. This is the list of things I've tried:Chevrolet Cruze common problems: Most of the problems are related to the engine and include coolant and oil leaks, overheating, bad water pump, thermostat, Check Engine light and turbo issues. If you are buying a used Chevy Cruze, consider an extended warranty for the powertrain (engine and transmission). ... The Check Engine light with the …About a week ago my 2014 1.4L Cruze was idling rough, lack of power, etc and throwing out codes: P0106, P0171 and P1101. I took it to my local Chevy dealer and they replaced the intake manifold and the valve cover. When I got the Cruze home, the check engine light came back on and is now showing codes P015B, P0171, P1101.Easy Ways to Diagnose a Code P1101. You need to use an OBD-II scanner and a digital volt/ohmmeter to diagnose a P1101 fault code. The mechanic should also do the following tasks. Visually inspect the MAF sensor harness wire. The wiring, connectors, and components related to the MAF system should also be examined by the mechanic.You can diagnose the P1101 code on your Chevy Cruze by using an OBD-II scanner. Something could also be wrong with the mass airflow system or the PCV valve. This code might appear if your oxygen sensor malfunctions or if there is any vacuum leakage. – Using an OBD-II Scanner. You can diagnose the P1101 code on your Chevy … P1101 chevy cruze 2013, Lou Palomino. associates in automotive te... 12,103 satisfied customers. 2014 cruze 1.4l turbo throwing codes: p0106, p0171, p1101, 2014 cruze 1.4l turbo throwing codes : p0106, p0171, p1101, p2270. there is a hissing coming from the top right of the valve cover (as it sits in the … read more., P1101 Set This bulletin replaces PIP5417C. Please discard PIP5417C. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2016 2019 1.4L (RPO LE2) Chevrolet Cruze 2016 2019 1.4L (RPO LE2) Equinox 2018 2020 1.5L (RPO LYX) Malibu 2016 2020 1.5L (RPO LFV) Trax 2019 2019 1.4L (RPO LE2) Volt 2016 2019 1.5L (RPO …, 2013 Chevy Cruze Code P0299. Hi there, I was looking up troubleshooting for the code P0299. It's the Turbo/ Supercharger Engine underboost. I was wondering if anyone had any advice on troubleshooting it down to the turbo itself? As well as that my wife and I both have 2013 Chevy Cruzes., Ask Your Own Chevy Question. THEY ARE OK. Chevy Mechanic: Ricardo Hohl. The O2 sensor wiring will contain a Purple/Dk Blue wire, Gray/White, Yellow/Brown and a Dark Green wire. 3. The boost sensor will contain a Black/Dk Green, Gray, Brown/Red and a Dark Green wire. Ask Your Own Chevy Question., When a P1101 trouble code is stored, it means that the PCM detected a discrepancy with the voltage from the MAF sensor. This problem can be detected while the PCM is running a self diagnostic called a Key On Engine Running (KOER) test. When the voltage from the MAF sensor is greater or lesser than the voltage allowed by the manufacturer, the ..., For Chevrolet Cruze only, a missing or mispositioned air baffle in the air cleaner box could cause the TPS readings to be low and the vehicle setting P1101. Verify the air baffle is in the proper place before continuing with diagnostics. Refer to the pictures below. Chevrolet Cruze Only 3581987 Chevrolet Cruze Only 3581988 , 2012 chevy Cruze 1.4 codes p0299 p0300 p1101 and u0109. Customer vehicle came in with check engine light on. Those are the codes. Has an exhaust leak sounds like the manifold or the turbo which I assu ..., 2011-2015 CHEVY CRUZE ROUGH IDLE FIXED! CODES P0171 P1101 P0106 FIXED! PVC VACUUM LEAK DIAGNOSIS AND FIX!VALVE COVER GASKET REPLACEMENT!hey guys! In this vid..., May 16, 2022 · To diagnose the P1101 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. , Causas del código de problema P1101 en vehículos Chevy Cruze: 1. Manguera del sistema PCV defectuosa o bloqueada – El tubo obstruido puede dejar entrar aceite a la cámara de combustión y quemar el aceite del motor y salir del tubo de escape. 2. , Aug 8, 2015 · code po171,p1101. I got a check engine light and code p0171,p1101.I took it to the dealer and they want 300.00+ to do a fuel system clean ?? This don't seem like my issue when searching these codes.My cruze is a 2013 with around 40k.What should I look for to get this fixed ? , Figured maybe the shop got a bit sloppy, and didn't think much more of it at the time. Next day the check engine light came on. Went to Advance, got it read, and it kicked out P1101 and P0171. Judging from what I've read, this could be MAF, vacuum leak, or others., Chevrolet Cruze P0011 definition: Intake Camshaft Timing – Over-Advanced Bank 1. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid damage to multiple internal engine components. Diagnosis: This trouble code severely impacts the drivability of your vehicle., Maf sensor unplugged and or intake tube is loose. The codes can present themselves even from sensor being unplugged and then plugged back in. Recheck sensor and connector and hose clamps on intake tube. And rechecking all hose clamps all the way to intake manifold. Then reset codes. Sometimes you might need to reset while running …, If a MECH A NIC video helped you consider donating to my patreon account to help support the channel. https://www.patreon.com/The_mech_a_nicor my paypal http..., Jan 31, 2021 · P1101, P0171 Engine Code. I've been having an issue with my 2013 Chevy Cruze Lt sputtering at idle and randomly raising the RPM at idle also. The P1101 code said it was the Mass Airflow Sensor so I replaced it and it does run a little better but I still have all the same symptoms as before just minus the P1101 Code. , For Chevrolet Cruze only, a missing or mispositioned air baffle in the air cleaner box could cause the TPS readings to be low and the vehicle setting P1101. Verify the air baffle is in the proper place before continuing with diagnostics. Refer to the pictures below. Chevrolet Cruze Only 3581987 Chevrolet Cruze Only 3581988, Hesitating/Sputtering on Acceleration/Idle. Hey guys! 2015 Chevy Cruze around 90k here. I'm having bad jerking/sputtering at idle and on Acceleration and flashing check engine light. I hit a nail and the car sat for a few days. Now after getting a new tire put on at Walmart (praise road hazzard), the car wont hardly drive., , The P1101 code in Chevy Cruze is usually caused by a problem in the intake system. One of the most common causes is a faulty Mass Airflow Sensor (MAF). The MAF is responsible for measuring the amount of air entering the engine, and if it is not working properly, it can cause the P1101 code to appear., 2013 Chevy Cruze Code P0299. Hi there, I was looking up troubleshooting for the code P0299. It's the Turbo/ Supercharger Engine underboost. I was wondering if anyone had any advice on troubleshooting it down to the turbo itself? As well as that my wife and I both have 2013 Chevy Cruzes., Chevy Cruze 2017 1.4L turbo problema perdida de fuerza en el motor , arrojando codigo P1101 realacionado al MAF sensor, p0171 & p1101 codes Check engine light on and idling rough - Chevrolet 2011 Cruze question. Search Fixya. Browse Categories Answer Questions . 2011 Chevrolet Cruze; Chevrolet Cruze Car and Truck ... How to fix 2013 chev Cruze codes P0171 and P1101. Read full answer. Be the first to answer Feb 09, 2019 • Chevrolet Cruze Cars & …, Will the P1101 code make the Cruze stop running? The P1101 code typically will not be enough to make the engine not run. A bad mass air flow sensor is enough to make the engine: Idle poorly; …, The P1101 code is a diagnostic trouble code (DTC) indicating a problem with your Chevy Cruze’s MAF sensor. The MAF sensor measures the air flow entering the …, 2012 Chevrolet Cruze LT Manual 6 Mods: HP Tuners ~22 PSI, 8-11 *Timing advance , 12:1 AFR (WOT) Water/Meth 50-120 ML/min, Vtuner Forged Pistons & Valve Springs Turbonetics 11038-BB, 2.5 inch exaust, magnaflow muffler., OP basically already answered your question. Possible causes for P1101. -Faulty Mass Air Flow Sensor. - Air leak before or after sensor. -Mass Air Flow Sensor harness is open or shorted. -Mass Air Flow Sensor circuit poor electrical connection. Read more: P1101 - Mass Air Flow Sensor Out of Self-Test Range., Consistent. 2012 chevy cruze check engine light - 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. ... 2012 Chevy Cruze vin …, You can diagnose the P1101 code on your Chevy Cruze by using an OBD-II scanner. Something could also be wrong with the mass airflow system or the PCV valve. This code might appear if your oxygen sensor malfunctions or if there is any vacuum leakage. – Using an OBD-II Scanner. You can diagnose the P1101 code on your Chevy …, Get Additional Help. The OBD code P1101 is a trouble code that appears when the Power Control Module (PCM) detects a fault within the Mass Air Flow (MAF) sensor system. When this code sets, the ..., Code p1101 on a chevy cruze means that the mass airflow sensor has detected an issue out of the normal range. Like (15) Julius T January 27, 2022 ..., When a P1101 trouble code is stored, it means that the PCM detected a discrepancy with the voltage from the MAF sensor. This problem can be detected while the PCM is running a self diagnostic called a Key On Engine Running (KOER) test. When the voltage from the MAF sensor is greater or lesser than the voltage allowed by the manufacturer, the ..., Easy Ways to Diagnose a Code P1101. You need to use an OBD-II scanner and a digital volt/ohmmeter to diagnose a P1101 fault code. The mechanic should also do the following tasks. Visually inspect the MAF sensor harness wire. The wiring, connectors, and components related to the MAF system should also be examined by the mechanic.