Code p0172 chevy equinox

What Does Code P0175 Mean? P0175 definition: Bank 2 has too much fuel or not enough air; 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 …

P0300 is a generic OBDII code that can occur with the Chevy Equinox. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...Short and Long Term Effects of P0172 in Chevy Equinox. P0172 is a diagnostic trouble code (DTC) which indicates that the fuel-to-air ratio in the Chevy Equinox is too high. This code is most often caused by a vacuum leak, an incorrect fuel pressure, an exhaust leak, or a faulty fuel injector.This page is meant to help you troubleshoot the Chevy Equinox P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. …October 11, 2023 by Admin. P0300 is a generic OBDII code that can occur in Chevy Equinox. It indicates that the engine is misfiring, which can be a serious issue for the drivability of the vehicle. The P0300 code is often accompanied by cylinder-specific misfire codes (P030X), where X indicates the cylinder number that is misfiring.Those P0172 P0175 Chevy Silverado codes say your engine runs too rich on both banks (engine’s banks 1 and 2). While P0175 will pop up when the bank 2 oxygen sensor detects the oxy deficiency or too much fuel amount in the engine, P0172 functions similarly under the bank 1 oxygen sensor’s control.If the headlights on your Chevy Trailblazer are out of alignment, you will find it difficult (or impossible, depending on how badly out of alignment they are) to see at night or wh...A P0172 trouble code indicates that the system is too rich at bank 1. That means that too much fuel is used in the combustion process. Bank 1 shows that the problem is in the driver’s side of the engine. For the car to move it needs fuel, air, and, a spark. The mixture of air and fuel needs to be balanced. If it is not, the electronic control ...Aug 5, 2022 · This code is a diagnostic trouble code, or DTC, that indicates that the air-fuel mixture is too rich. A rich engine has too much fuel and not enough oxygen in the cylinders. By contrast, a lean engine has too little fuel and lots of oxygen. If you’re experiencing the code P0172 in your Chevy Equinox, the problem is in the air-fuel mixture.

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Mar 16, 2021 · Yes, reset the codes once the 02 sensor was replaced. The only thing that is left is the high pressure fuel pump which I purchased today and will replace tomorrow. Thank you for the suggestion. 2012 chevy equinox 2.4 codes p0014 p0089 p0133 p0172 p0191 p0506 JA:Have you noticed any specific symptoms or issues with your 2012 Chevy Equinox? Customer:Runs a little rough JA:When did you first st … read moreChevy Mechanic: Ron Z. Thanks for holding, Eddie. The P0013 is pointing to a problem with the Exhaust Camshaft Position Actuator Solenoid Valve. This solenoid is used in the Variable Valve Timing System. This system advances/retards the ignition timing to provide the best possible fuel economy and engine performance for any given driving condition.P0172 Code question. ... 2014 Equinox LTZ FWD 3.6L. V-6 (LFX) GM6T70 Transmission-Gen II(M7W) Crystal Red Tintcoat-Brownstone Leather-(FE2) Suspension-18" Wheels ... Chevy Equinox, and Cadillac SRX owners and enthusiasts. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and …A popular car modification is the stereo system. Replacing the stereo enables the car owner to add an aftermarket stereo with a number of features such as MP3 players, Bluetooth co...Short and Long Term Effects of P0172 in Chevy Equinox. P0172 is a diagnostic trouble code (DTC) which indicates that the fuel-to-air ratio in the Chevy Equinox is too high. This code is most often caused by a vacuum leak, an incorrect fuel pressure, an exhaust leak, or a faulty fuel injector.2008 Chevy Impala 3.5 VIN *****. P0172 code. Vehicle came in a few weeks ago with the same code and I did a fuel composition reset. Cleared the light and it was fine for several weeks. Cam … read more

Those P0172 P0175 Chevy Silverado codes say your engine runs too rich on both banks (engine’s banks 1 and 2). While P0175 will pop up when the bank 2 oxygen sensor detects the oxy deficiency or too much fuel amount in the engine, P0172 functions similarly under the bank 1 oxygen sensor’s control.The turn signal switch on your Chevy Suburban is a vital safety feature. Consequently, problems with this switch should be fixed as soon as possible. After years of use, the switch...Code Tech Notes. The P0172 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0172 is set in along with the P0175 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the ...Short and Long Term Effects of P0172 in Chevy Equinox. P0172 is a diagnostic trouble code (DTC) which indicates that the fuel-to-air ratio in the Chevy …The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices. By clicking "TRY...A P0172 trouble code indicates the engine computer has detected a “System Too Rich” condition, meaning there is too much fuel in the air-fuel mixture. That’s usually …

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Like the P0443 code, the P0444 code (EVAP Purge Control Valve Circuit Open) and P0445 code (EVAP Purge Control Valve Circuit Shorted) also relate to the purge control valve. Examples of other diagnostic trouble codes pertaining to the EVAP system include P0440-P0449, P0452-P0453, and P0455-P0456.With its 1950s styling, the 1957 Chevy is a timeless car. This article will show you how to draw this cool classic car in just five simple steps. Advertisement The 1957 Chevy is on...P0496 camaro chevy v6 evapI have a 2012 equinox with codes p0016 and p0017. i have a snap on Chevy equinox p0172 fix!Chevy silverado p0496 starting after hard. I have a 2018 chevy equinox with the check engine light on.Nov 22, 2018 · Here are the most common causes of P0175 in the Chevy Equinox: Vacuum Leaks– With the Chevy Equinox, a vacuum leak is one of the most common causes of the P0175 code. Take a look around and see if you can find a vacuum leak. Here’s a great YouTube video on how to find a vacuum leak. Oxygen Sensor– The P0175 code is thrown when the B2S1 O2 ...

Conclusion. If your Chevy has a P0172 code, it can indicate a rich fuel mixture in one of the engine cylinders. Several possible causes for this issue include a faulty oxygen sensor, malfunctioning MAF sensor, clogged fuel injector, vacuum leak in the intake system, and faulty fuel pressure regulator.June 7, 2022 by Jason. P2271 is a generic DTC trouble code that can affect the Chevy Equinox. It indicates that the oxygen sensor located on bank 1 in the second position is continuously sending voltage with a value that is too rich. There are oxygen sensors on both sides of the catalytic converter. The “upstream” one is used for air/fuel ...The 2014 Chevy Equinox is a reliable and dependable SUV that has been a favorite among drivers for years. But how long can you expect it to last? Here, we’ll explore the expected l...OBD II Codes: P0172 P2097 P0053 P0091 P015A and others. See less See more Save Share. Like. ... Chevy Equinox 2012, 2.4l 4 cyl LT. Mileage 170k. After turning ignition key to off position you can feel how the engine keeps on for about 2 to 4 seconds until it comes to a stop. Instead of being a smoth and quiet shutdown, it is rough and jerking ...Apr 1, 2563 BE ... Chevy Equinox P0172 How To Replace High Pressure Fuel Pump ... Chevy Equinox intake removal PCV ... code p0172 p0191 solved. THE EASIEST WAY TO ...The P0172 code is indicative of a System Too Rich (Bank 1) condition in the engine’s air-fuel mixture ratio. It signals that the Powertrain Control Module (PCM) has detected a richer than ideal air-fuel mixture in Bank 1 – the side of the engine with cylinder number one. This imbalance implies that there is too much fuel or too little air ...The P0089 code in a Chevy Equinox refers to a problem concerning the fuel pressure regulator system. This code gets logged when the powertrain control module (PCM) detects a discrepancy between the desired and actual fuel pressures. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the …2. Reaction score. 1. I have a 2010 six cylinder Chevy equinox with approximately 115,000 miles on it. I have had nothing but recurring thousand dollar repairs on this vehicle. My latest nightmare is I was showing a P0 172 and a P0175 code. I took it into the dealership and just received a phone call that my high-pressure fuel pump is …May 1, 2017 · Anyway, Ltft at idlle on Bank 1 is negative 23%. P0172 or P0175. Allow the engine to reach operating temperature. With the engine running, observe the affected Long Term FT parameter with a scan tool. The value should be more than approximately -20 % with the engine running at operating temperature.

Jan 26, 2020 · Chevy Equinox 2012, 2.4l 4 cyl LT. Mileage 170k. ... OBD II Codes: P0172 P2097 P0053 P0091 P015A ... I had the P0172 on my 2010 Terrain 3.0 and had engine run on ...

You may need to remove the starter motor from you Chevy pickup if it is grinding or dragging, in order to test it. The starter motor is located on the passenger side of the truck, ...2012 chevy equinox 2.4 codes p0014 p0089 p0133 p0172 p0191 p0506 JA:Have you noticed any specific symptoms or issues with … read more. Allen Taddicken. Owner/Lead technician. 4 years college grad.Most of the time when I see this happen especially with the shutter on shutdown its the high pressure fuel pump. I would definitely recommend replacing the pressure sensor if you replace the pump. 1. Share. 1.3M subscribers in the MechanicAdvice community. This is more than a car repair forum!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...Apr 21, 2021 · Hello, i get chevy equinox 2012, 4 cylinders, the engine gets the code p0300 and p0172, the engine when i shutdown it, it not off, is working about 2 or 3 seconds, then when i stay in one stop the engine is roughly, can you hrlp to know what i need to check in engine? Answered in 7 minutes by: Chevy Mechanic: RiopH. A P0172 trouble code indicates that the system is too rich at bank 1. That means that too much fuel is used in the combustion process. Bank 1 shows that the problem is in the driver’s side of the engine. For the car to move it needs fuel, air, and, a spark. The mixture of air and fuel needs to be balanced. If it is not, the electronic control ...Hello guys I'm matt i own a 2010 equinox v6 lt. since last november I've been battling with the p0017 code. i already replaced the cranck sensor, and all of the 4 cam sensors on bank 1 did the re-learn procedure on all of them but still get the same damn code! my Nox is out of warranty.

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Chevy Equinox. Equinox General Discussion. P0172 System Rich Codes. Jump to Latest Follow. 31K views 23 replies 7 participants last post by Birdman7834 Apr 27, 2022. Paul594 Discussion starter. 16 posts · Joined 2019. #1 · Mar 16, 2021. Dreaded code that seems to never go away.Jan 26, 2020 · Chevy Equinox 2012, 2.4l 4 cyl LT. Mileage 170k. ... OBD II Codes: P0172 P2097 P0053 P0091 P015A ... I had the P0172 on my 2010 Terrain 3.0 and had engine run on ... OBD-II Trouble Code P0172 (excessively lean fuel system) ... Operating a 2015 Chevrolet Equinox while this code is present could cause your 2015 Chevrolet Equinox to stall out or hesitate while driving. There may also be an increase in fuel consumption, which can be costly. It is important to take this code seriously and have it diagnosed and ...#1 · Apr 14, 2022. 2012 terrain 2.4L AWD. I keep getting the p0191 code after the vehicle has warmed up and I come to a stop in gear, then limp mode is activated. What should …The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ...What Does Code P0175 Mean? P0175 definition: Bank 2 has too much fuel or not enough air; 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 …Diagnostic trouble code (DTC) P0191 stands for “Fuel Rail Pressure Sensor Circuit “A” Range/Performance.” It indicates a potential abnormality in the fuel rail pressure readings. Because of either a mechanical or electrical problem, the signal sent by the fuel rail pressure sensor doesn’t match the value the PCM expects to see.Summary. The P0442 code stands for “Evaporative Emission Control System Leak Detected (Small Leak).”. Common causes of the P0442 code include a malfunctioning fuel cap, a leak or damage in the EVAP system line, charcoal canister, or fuel tank, a malfunctioning vent valve or purge valve, a faulty FTP sensor, or a failed leak …If the crank sensor was bad, you would get a p0016 and p0017, along with maybe another code. Nox4me. I disagree. p0016 and p0017 are not directly associated with the sensors. They are saying the timing between either exhaust and crank (p0017) or intake and crank (p0016) are not plausible.Here are ways to fix P0172 code fuel too rich: • Cleaning the mass air flow sensor and oxygen sensors. • Replacing the spark plugs. • Replacing the coolant temperature sensor or thermostat. • Repairing your vacuum leaks. • Replacing a damaged fuel regulator, fuel pump, or fuel injector. • Replacing a restricted air filter.The P0172 code stands for “Fuel System Too Rich (Bank 1)”. What this means in plain language is that there’s too much fuel being delivered to combustion chambers on bank 1, or not enough air. A car engine requires a 14.7:1 air to fuel ratio to work optimally. There are sensors that monitor the amount of air coming in, and the ECU controls ...If your Chevy Equinox is having trouble starting up, it may be due to a problem with the fuel system. The P0191 code indicates that there is a problem with the fuel pressure sensor. This sensor measures the pressure of the fuel in the tank and sends a signal to the engine control module. If the pressure is too low, the engine will not start. ….

2012 chevy equinox 2.4 codes p0014 p0089 p0133 p0172 p0191 p0506 JA:Have you noticed any specific symptoms or issues with your 2012 Chevy Equinox? Customer:Runs a little rough JA: ... P0172 code. Vehicle came in a few weeks ago with the same code and I did a fuel composition reset. Cleared the light and it was fine for …After the drive cycle, the engine speed should return to normal. ⇒ If the engine idle speed has not been learned, turn OFF the ignition for 60 s and repeat step 6. 8. Once the engine speed has returned to normal, clear DTCs and return to the diagnostic that referred you here. brisket_lover.Hello, i get chevy equinox 2012, 4 cylinders, the engine gets the code p0300 and p0172, the engine when i shutdown it, it not off, is working about 2 or 3 seconds, then when i stay in one stop the eng … read moreThe P0172 Chevy equinox code is a DTC code the engine control unit throws when the air-fuel mixture in the cylinder is too rich. A rich engine condition means there’s too much fuel in the cylinders and little oxygen. It is the opposite of a lean condition, which signifies a lack of fuel in the cylinders.P0013 on Some Chevrolet Vehicles. Code P0013 may appear on some Chevrolet vehicles like the 2016 Chevrolet Equinox L 2.4L L4. Conditions for running DTC P0013 in a 2016 Chevy Equinox can include: The ignition voltage is greater than 11 V. The ECM has commanded the camshaft position actuator solenoid valve On.A P0172 trouble code indicates the engine computer has detected a “System Too Rich” condition, meaning there is too much fuel in the air-fuel mixture. That’s usually …The first step to decoding the Chevy engine block code is to locate and identify the code on the engine assembly stamp correctly. Next understand the block code. The code has 15 ch...Jul 1, 2565 BE ... Today I show you where your Mass Air Flow (MAF) Sensor is located and how to remove and clean it. The Intake Air Temperature (IAT) sensor is ...This 2011 equinox has codes P0172/P0175 turns out the fuel injectors were stuck open leaking the fuel into the cylinders.I keep getting the p0191 code after the vehicle has warmed up and I come to a stop in gear, then limp mode is activated. ... '16 Equinox LTZ AWD 3.6 -'23 Silverado LTZ 6.2-'20 Traverse High Country-Ski Doo's-FLHR-F3S Spyder-Boats. ... Chevy Equinox, and Cadillac SRX owners and enthusiasts. Come join the discussion about modifications ... Code p0172 chevy equinox, 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 Terrain 2018 2020 1.5L (RPO LYX) Involved Region or Country North America, China, Thailand, GM Korea, Middle East, Israel, Europe, Brazil, Chile, Colombia, Peru, South Africa ... , P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Equinox. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138., 2012 chevy equinox 2.4 codes p0014 p0089 p0133 p0172 p0191 p0506 JA:Have you noticed any specific symptoms or issues with your 2012 Chevy Equinox? Customer:Runs a little rough JA: ... P0172 code. Vehicle came in a few weeks ago with the same code and I did a fuel composition reset., 2016 Equinox setting a P0172. High Pressure pump leak... Great example of a time that multiple SI resources would have helped determine vehicle problem faster. 2016 Equinox setting a P0172. High ... , The P0174 code means that the O2 sensor on bank 2 has recognized a too lean mixture, and the imbalance is too great for the O2 sensor to correct the issue on its own. Symptoms of P0174 Chevy Equinox. When the Chevy Equinox’s PCM detects a lean air-fuel mixture in the engine’s combustion chamber, it will set the P0174 trouble code., 2013 chevy equinox with dtc: p0172, p0191, p0420 is there any relatable tsb’s? - Answered by a verified Chevy Mechanic. ... 2012 chevy equinox 2.4 codes p0014 p0089 p0133 p0172 p0191 p0506 JA:Have you noticed any specific symptoms or issues with your 2012 Chevy Equinox?, 1997 s10 pickup with a 2.2l manual. Getting p0172 code, fuel. 1997 s10 pickup with a 2.2l manual. Getting p0172 code, fuel index shows to be at -51 … read more. Kyle. Under hood Technician. 2,088 satisfied customers. I have p0172 and p2096 on my chevrolet cruze. 2010. J'ai., , Having issues with a P0172 code? Does your oil have a gas smell to it? Does your vehicle have a slow engine shut off??? Check this video out if you are exper..., I have a 2006 chevy equinox and it’s throwing this code: p0171 and code p0171-00 any help on Code p0171 chevy equinox 2010 chevy equinox 2.4l im getting code p0366. Code P0171 Chevy Equinox. 2010 chevy equinox 2.4l im getting code p0366 2010 chevy equinox 2.4l i have check engine code p0010 along with rough idle. …, A common trouble code with the Chevy Cruze is P0172. This code number references a number given to you when you plug your car into an OBDII scanner. ... Chevy Equinox P0172: Fuel System Rich – Bank 1. Jason on …, Understanding the Causes and Symptoms of P0172 in Chevy Equinox. P0172 is a diagnostic trouble code (DTC) that indicates a fuel system rich condition in the Chevy Equinox. The code is triggered when the powertrain control module (PCM) detects a fuel-to-air ratio that is too rich for efficient engine operation. , 2012 chevy equinox 2.4 codes p0014 p0089 p0133 p0172 p0191 p0506,,, - 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., P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Equinox. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138., P0013 on Some Chevrolet Vehicles. Code P0013 may appear on some Chevrolet vehicles like the 2016 Chevrolet Equinox L 2.4L L4. Conditions for running DTC P0013 in a 2016 Chevy Equinox can include: The ignition voltage is greater than 11 V. The ECM has commanded the camshaft position actuator solenoid valve On., As a 2014 Chevy Equinox owner, you know that your vehicle is an investment. Taking care of it properly can help you get the most out of your car for years to come. Here are some ti..., Feb 26, 2022 · Common Reason: Code P0172 is often related to a vacuum leak. Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14.7 parts air to 1 part fuel. Too much air and/or too little fuel results in the engine running lean setting P0171 or P0174 trouble codes, while too much fuel and/or too little air results in the ... , Trouble accelerating. Misfiring engine. Reduced fuel economy. Causes of the P0172 Code. The problem creating a rich-running situation could have to do with the fuel or air delivery, both of which can lead to an imbalance. That’s why a complete diagnosis is needed to figure out what’s going wrong. Here are some of the most common P0172 causes., Sep 22, 2016 · In this video we discuss the most common cause of a GMC or Chevy flex fuel equipped vehicle with a check engine light illuminated and a stored code P0172. Th... , Sep 9, 2021 · Greetings viewers. In this video I dove into a 2014 Chevy Express with the 5.3L engine having a check engine light illuminated and stored codes P0172 and P01... , The P0191 code is an indication of a fuel rail pressure sensor circuit range/performance malfunction in the Chevy Equinox. This code is triggered when the Powertrain Control Module (PCM) detects a difference between the actual fuel rail pressure and the desired fuel rail pressure. The PCM will then store a P0191 code and turn on the Check ..., From OBD-II codes: "Basically this means that an oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. Code P0172 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty., Automotive technician, The P0191 code is an indication of a fuel rail pressure sensor circuit range/performance malfunction in the Chevy Equinox. This code is triggered when the Powertrain Control Module (PCM) detects a difference between the actual fuel rail pressure and the desired fuel rail pressure. The PCM will then store a P0191 code and turn on the Check ..., The automobile fault code P2227 indicates a problem with the barometric pressure circuit range or performance. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this issue can vary depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour., Yes, reset the codes once the 02 sensor was replaced. The only thing that is left is the high pressure fuel pump which I purchased today and will replace tomorrow. …, The trouble code “P0172 system too rich” means there is too little oxygen in the exhaust. This error code is triggered by an oxygen sensor in bank one, the side of the engine with ..., OBD II Codes: P0172 P2097 P0053 P0091 P015A and others. See less See more Save Share. Like. ... Chevy Equinox 2012, 2.4l 4 cyl LT. Mileage 170k. After turning ignition key to off position you can feel how the engine keeps on …, 1997 s10 pickup with a 2.2l manual. Getting p0172 code, fuel. 1997 s10 pickup with a 2.2l manual. Getting p0172 code, fuel index shows to be at -51 … read more. Kyle. Under hood Technician. 2,088 satisfied customers. I have p0172 and p2096 on my chevrolet cruze. 2010. J'ai., P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Equinox. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138., I am getting codes P0172 & P0175 in a 2010 Chevy Equinox with VIN # 2CNFLFEY7A6211428. (3.0L ). What can be causing these codes? I have already replaced spark plugs, air filter and maf sensor. Codes h … read more, Understanding the Causes and Symptoms of P0172 in Chevy Equinox. P0172 is a diagnostic trouble code (DTC) that indicates a fuel system rich condition in the Chevy Equinox. The code is triggered when the powertrain control module (PCM) detects a fuel-to-air ratio that is too rich for efficient engine operation., Its a 2011 chevy equinox 2.4, has all the highly documented. its a 2011 chevy equinox 2.4, has all the highly documented codes p0016, p0089, p228d, and occasional p0191. Car goes into limp mode about 30 … read more. Anthony Sorrento. 2,795 satisfied customers.