Gm p0172-00

Nov 21, 2023 · OBD II fault code P0171 is a generic code that is most commonly defined as “System Too Lean- Bank 1”, and is set on gasoline engines when the PCM (Powertrain Control Module) detects that the air/fuel mixture is too lean. In this context, “lean” refers to a condition where there is too much air relative to fuel in the mixture.

Gm p0172-00. The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Your vehicle’s fuel trim system manages the air/fuel ratio and adjusts it when the powertrain control module determines it’s necessary (it can range anywhere from …

The Stabilitrac light came on briefly and then the Check Engine Light came on shortly after. I went up to Advance Auto and read the code and it posted a P0172. Reading the code turned off the light. A quick scan of this forum yielded a few hits about MAFs and oiled filters, which the original owner installed.

The Hummer H3 comes standard with the Homelink system. This system consists of a transmitter and a small control panel that you can program to your home's garage door. This allows ...Gm’s 1.4L turbocharged 4-cylinder engine, commonly found in the Chevy Sonic, Cruze and Buick Encore, has a well-known issue resulting in a lean code, P0171, ...Vehicles affected by P0172 trouble code are listed in Service Bulletin #PIP4783B. 2010-2012Buick Lacrosse 2.4L engine 2011 Buick Regal 2.4L engine 2012-2017 Buick Verano 2.4L engine 2012-2016 Chevrolet Captiva 2.4L engine 2010-2017Chevrolet Equinox 2.4L engine 2010-2017 GMC Terrain 2.4L engine ©, 2020 Rick MuscoplatP0172 System Rich Codes Yes, gas fumes inside the car as well. ... The first mechanic charged me 382.00 and fixed the bottom 02 sensor and it did not fix the issue. When I went back the rip off told me the fuel injector needs replaced so I moved on. ... A forum community dedicated to GMC Terrain, Chevy Equinox, and Cadillac SRX …The fault code P219A indicates a problem with the fuel mixture in the engine. This can cause the engine light to turn on or a service engine soon warning light to appear. One of the most common symptoms of this fault code is excessive fuel consumption. This means that the vehicle may not be as fuel-efficient as it should be, resulting in higher ...Te suministramos todo lo que necesitas saber sobre el código DTC P0172: ️ Descripción, ️ causas, ️ síntomas y ️ posibles soluciones.LEER SOLUCIÓN DEL CÓD...Sep 22, 2016 · 891. 183K views 7 years ago. In this video we discuss the most common cause of a GMC or Chevy flex fuel equipped vehicle with a check engine light illuminated …Keep an eye on the oxygen sensor. Tip 1: Regular maintenance is key, and that includes keeping an eye on that air filter. A clogged air filter can cause the fuel system to run rich, which can trigger the P0172 code. Make sure to replace that air filter every 12,000 miles or 12 months, whichever comes first.

GM stock is in the spotlight today as General Motors gets ready to unveil its Chevrolet Silverado E truck. Where is the automaker going next? Wedbush says the Silverado E is 'not y...This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the heated oxygen sensor is shorted to ground if the HO2S voltage is less than 50 mV. P0131 Chevrolet Code - HO2S Circuit Low Voltage Bank 1 Sensor 1.Oct 3, 2016 ... Comments282 · 2017 Chevrolet Silverado P0455 EVAP System large leak detected · 2003 Chevy Avalanche - Crank no start / No SPARK!The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Your vehicle’s fuel trim system manages the air/fuel ratio and adjusts it when the powertrain control module determines it’s necessary (it can range anywhere from …Code Number Code Description Related Codes; P0171: System Too Lean (Bank 1) P1101 - Intake Air Flow System Performance P2097 - Post Catalyst Fuel Trim System High Limit P2277 - Barometric Pressure ...This 2013 Chevy Impala has some rough idle problems when hot, and is setting the Fuel System Rich codes P0172 and P0175. 120k miles on the clock.The engine o...The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...

Tools needed for diagnosing advanced P0171 code causes: OBD II scanner or code reader. Carburetor or throttle body cleaner. 1. Disconnected or Leaking Hoses. Air Intake Hose: Find the air intake hose that connects to the engine. Grab and shake it so you can feel if anything is loose.Oct 22, 2015. 7,822. Tampa Bay Area. Feb 26, 2020. #2. Addressing the P0172,and P0175 Codes involves considering Two Problems: (1) A Dirty Mass Air Flow Sensor(YES... Even in the Absence of the P0101 Code indicating a MAF Sensor Problem)...the 2nd Video explains WHY to look at it WAY UP FRONT in the Engine Bay): You live in the Higher Altitudes ...Start by taking a look at the vacuum lines and seeing if you have a leak. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. Definition. P0171: Fuel Trim System Lean (Bank 1). Symptoms. Check engine light, decreased fuel economy, misfire, hard to find idle. Common Causes.It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. Definition. P0171: Fuel Trim System Lean (Bank 1). Symptoms. Check engine light, decreased fuel economy, misfire, hard to find idle. Common Causes.

Popeyes big box deal.

It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor.The ideal air/fuel ratio is 14.7:1 (14.7 parts air to one part fuel). Your vehicle’s fuel trim system manages the air/fuel ratio and adjusts it when the powertrain control module determines it’s necessary (it can range anywhere from …P0172 and P0175. So I recently put in a new thermostat and coolant temp sensor. Afterwards, I figured I'd go ahead and change the engine/cabin filters. I have a scan tool so I ran it, all seemed ok. About 1-2 days later I got the above codes. I looked around and saw the right PVC valve tubing was cracked, so I tracked down a new one and put it …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. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where ...

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.Diagnostic trouble code P0171 means System Too Lean (bank 1). That means the car computer noticed the engine is running lean. A lean system means the air-fuel ratio entering the combustion chamber is not what the engine wants. It means there is too much air or too little gas to balance the specified mixture ratio. Diagnostic trouble code (DTC) P0172 stands for “Fuel System Too Rich (Bank 1)”. Your car’s computer may set the code when it detects that there is too much fuel or not enough oxygen in the engine. There are numerous methods for resolving code P0172, however the actual cause must be determined. 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.Since it was a generic code with no related codes present I used my friends reader and cleared it. Fast forward two weeks and I get another CEL but with multiple codes, P0172, P0173, P0175. Tank fuel pressure 54psi, HP fuel 2000psi. O2 sensor readings acceptable but both banks showed -35 LTFT.Oct 3, 2016 ... Comments282 · 2017 Chevrolet Silverado P0455 EVAP System large leak detected · 2003 Chevy Avalanche - Crank no start / No SPARK!A P0172 code indicates that the fuel system is excessively rich or inadequate air in the engine’s air-fuel mixture. The code appears when there is too much fuel in the exhaust gas flowing from the combustion chamber. The code could imply the following. A vacuum leakage near the engine. The fuel system is operating weak.This article explains the P0172 code symptoms, causes, and fixing cost. P0172 Code Definition. The P0172 code stands for “Fuel System Too Rich (Bank 1)”. Bank 1 represents the side of the engine that contains cylinder no. 1. The O2 sensor measures the amount of air in the exhaust gases that are in the engine cylinder. What Does the P0172 ...I was curious who has experienced these "Rich Bank" codes P0172 & P0175. What was the solution? I'm wondering if it's the high pressure fuel pump. Tahoe runs fine, but I got the light last week. …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.Code P0131 is a result of the oxygen sensor incorrectly detecting the air/fuel ratio of the exhaust. This ratio is sent to the ECM which uses this data, along with comparisons to the outside air, to regulate the air to fuel ratio needed by the engine. This code is the result of this ECM detecting either a voltage outside of the specified range ...MyShibbyEco. 278 posts · Joined 2012. #3 · Aug 4, 2013 (Edited by Moderator) P0171 - Fuel System Too Lean Bank 1. Monitor Strategy Description; Determines if the fuel control system is in a lean condition, based on the filtered long-term and short-term fuel trim. Malfunction Criteria;

Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich.

=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈===== How to Fix P0171 =====Engine Code P0171 Saving Repair...This article will therefore deal with code P0171 as it applies specifically to GM vehicles. OBD II fault code P0171 is a generic trouble code that is defined as “System too lean – Bank 1” and is set when the PCM (Powertrain Control Module) detects an air/fuel mixture that is too lean on bank 1. Note that in the context of this code ...This 2013 Chevy Impala has some rough idle problems when hot, and is setting the Fuel System Rich codes P0172 and P0175. 120k miles on the clock.The engine o...Customer Complaint: This 2019 Chevrolet Traverse with a 3.6 liter engine came into the shop with a complaint of a check engine light and stalling problem. The customer states that the vehicle will randomly shut off. The codes in this vehicle were: P0171 - Fuel Trim System Lean Bank 1. P0174 - Fuel Trim System Lean Bank 2.Codes Related to P0172. While diagnosing DTC P0172, you may also run across these other DTCs: P0170 – Fuel Trim Malfunction (Bank 1) P0173 – Fuel Trim Malfunction (Bank 2) P0175 – Fuel System Too Rich (Bank 2) P0101 – Mass Air Flow Circuit Range / Performance. P0104 – Mass Air Flow Circuit Intermittent. P030x – Cylinder Misfire ...If you're searching for how to fix the P0172 code, this code indicates that your engine bank 1 is running with too much fuel. Too much fuel might be related to a lot of fuel supply or insufficient air supply. Whatever the causes, all you need to do is confirm the issue by using an OBDII scanner then, either clean the MAF sensor or replace the ...What does the P0171 code mean? A Code P0171 or system too lean bank 1 means either too much oxygen or too little fuel in the exhaust. This is a ‘lean’ condition or a ‘low fuel trim’ code. The P0171 OBD-II code indicates that the fuel system on the first bank of the engine is weak or that a vacuum leak exists near this side of the engine. A lean state happens …Nov 21, 2018 · Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich. Definition. Both of these codes are generic, which means they have the same meaning regardless of the vehicle. P0171- Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the …

Champva fax number.

Aaron carter crime.scene.

In this video, I show you how I troubleshoot a Check Engine Light (CEL) / Diagnostic Trouble Code (DTC) P0171, System Too Lean Bank 1. The exact vehicle in ...Tesla's market capitalization was roughly $89 billion at Wednesday's close, $2 billion higher than the market values of Ford and GM combined. Jump to Tesla's recent stock rally has...MyShibbyEco. 278 posts · Joined 2012. #3 · Aug 4, 2013 (Edited by Moderator) P0171 - Fuel System Too Lean Bank 1. Monitor Strategy Description; Determines if the fuel control system is in a lean condition, based on the filtered long-term and short-term fuel trim. Malfunction Criteria;Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich.Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Nadia Hansel, MD, MPH, is the interim director of the Department of Medicine in th...What Does the P0172 Code Mean? The P0172 code indicates that your powertrain control module (PCM) detects too much fuel (or too little air) in the engine cylinder’s air-fuel …Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ... The method to fix P0172 varies depending on the underlying cause. Here are some potential fixes: Replace a faulty O2 sensor. Clean or replace the MAF sensor. Clean or replace the fuel injectors. Replace the fuel filter or fuel pressure regulator. Repair any vacuum leaks in the engine. Replace a failed fuel pump. ….

3 days ago · A code P0172 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters can …OBD II fault code P0171 is a generic code that is most commonly defined as “System Too Lean- Bank 1”, and is set on gasoline engines when the PCM (Powertrain Control Module) detects that the air/fuel mixture is too lean. In this context, “lean” refers to a condition where there is too much air relative to fuel in the mixture.Cuando escaneas tu coche con un OBD 2 y aparece lo siguiente: “ Código P0172 Sistema demasiado rico. Banco 1 ”, lo que significa es que el motor está funcionando con una mezcla demasiado rica en combustible. Como te lo mencionamos arriba, esto se debe principalmente a dos cosas: Demasiado combustible en la mezcla. Muy poco oxígeno en la ...Diagnosing trouble codes: P0172 (System too Rich Bank 1) and/or P0175 (System too Rich Bank 2) can be a challenge on your GM 4.3L, 5.0L, 5.7L equipped GM pick-up, van, SUV or mini-van. What complicates getting to the bottom of what's causing these two codes to pop up, is that they don't accuse one specific component as being bad.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...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 ...Jan 23, 2015 ... but the hard to start is still there along with the p0172 code. I have a guess that it could be my o2 sensor. I had a hole in the exhauset ...Mar 13, 2024 · 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 …The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0171 is set in along with the P0174 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor. Gm p0172-00, Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ..., General Motors (GM) has always been at the forefront of automotive safety, constantly innovating to provide drivers and passengers with the highest level of protection on the road...., Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich., The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,..., Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ..., May 22, 2020 ... In today's vlog, we try to figure out why the 2001 Pontiac Aztek GT with the GM 3.4 Liter V6 threw a P0172 ... 1:00:24. Go to channel · Seller ..., 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., Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich., Te suministramos todo lo que necesitas saber sobre el código DTC P0171: ️ Descripción, ️ causas, ️ síntomas y ️ posibles soluciones.LEER SOLUCIÓN DEL CÓD..., Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich., Apr 25, 2020 · WATCH PART 2 REPLACING THE HIGH PRESSURE FUEL PUMP! Next video on the channel!In this video we cover GM Vehicle’s Fault Code troubleshooting for P0172 and P0... , What the P0175 code means. P0175 indicates that the Engine Control Module (ECM) detects too much fuel and not enough oxygen in the air fuel ratio (AFR). This code will set when the ECM can not compensate for the amount of air or fuel required to return the air fuel ratio back to the set parameters. For gasoline powered engines, the most fuel ..., Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. The A/F ratio for ideal combustion is 14.7 parts air to 1 part fuel (14.7:1). With that in mind, either too much fuel or not enough air can cause a vehicle to run rich., Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, and/or P219B Set Attention: This bulletin applies to V6 and V8 Gasoline Engines ONLY. Brand: Model: Model Year: VIN: Engine: Transmission: ... GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They …, Mar 27, 2019 ... p0172 Chevy Impala Flex Rich Condition. 23K views · 5 years ago ...more ... GM GDI RICH codes P0172 P0175 (Diag & Repair). Pine Hollow Auto ..., P0172 And P0175 Chevy Silverado Codes: Possible Reasons & Fixes. In short, P0172 refers to bank 1 having a rich fuel mixture to the engine. It’s the same for P0172 but for bank 2 instead. Both of these get triggered by the upstream oxygen sensor in your Chevy Silverado. A rich fuel mixture basically means that there’s either too much fuel ..., Chevrolet Cruze 2017 1.4l Aut Gasolina 4 lt 94000 kms. Luz de check engine Cuerpo de aceleración Bujías Cambio de aceite Caudalímetro Código P0172. Buen día. Despues de hacerle el servicio de cambio de aceite, filtros y bujias, se encendio el check engine con el codigo P0172, esta consumiendo mas combustible., Dec 5, 2023 · The code P0107 in Chevrolet vehicles refers to a problem with the Manifold Absolute Pressure (MAP) sensor. This sensor is responsible for measuring the pressure inside the intake manifold and providing data to the engine control module (ECM) to determine the correct air-fuel mixture. When the ECM detects that the MAP sensor is not providing ... , The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. Most of the time, this happens due to faulty or dirty mass ... , What the P0175 code means. P0175 indicates that the Engine Control Module (ECM) detects too much fuel and not enough oxygen in the air fuel ratio (AFR). This code will set when the ECM can not compensate for the amount of air or fuel required to return the air fuel ratio back to the set parameters. For gasoline powered engines, the most fuel ..., Nov 21, 2018 · Fuel System Too Rich. P0172 is thrown when the oxygen sensors detect that the air-fuel mixture is too rich. A rich fuel mixture contains too much fuel in relation to air. …, First, we have to establish whether or not the P0171 code is active. You can have this done by most parts stores or by a quick scan from a local shop. If the only stored code is P0171, we can ..., The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor., 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. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where ..., Summary. DTC P2097 stands for “Post Catalyst Fuel Trim System Too Rich Bank 1”. This code is triggered when the downstream bank 1 oxygen sensor registers a rich condition. The most common symptoms of a P2097 include a lit check engine light, poor engine performance, and a reduced fuel economy. Contentshide., First, we have to establish whether or not the P0171 code is active. You can have this done by most parts stores or by a quick scan from a local shop. If the only stored code is P0171, we can ..., The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor., Customer Complaint: This 2019 Chevrolet Traverse with a 3.6 liter engine came into the shop with a complaint of a check engine light and stalling problem. The customer states that the vehicle will randomly shut off. The codes in this vehicle were: P0171 - Fuel Trim System Lean Bank 1. P0174 - Fuel Trim System Lean Bank 2., Code P0172 indicates Bank 1 of the engine has a rich fuel mixture. P0175 indicates Bank 2 of the engine has a rich fuel mixture. Engine Bank 1 is the same side of the engine as Engine Cylinder 1. Engine Bank 2 is the opposite side of the engine., Sep 8, 2023 · Coming across a code P0172 essentially signals that your engine is drowning in too much fuel, a problem that wastes gas and risks damage. Keep reading to learn …, Diagnostic trouble code (DTC) P0172 stands for “Fuel System Too Rich (Bank 1)”. Your car’s computer may set the code when it detects that there is too much fuel or not enough oxygen in the engine. There are numerous methods for resolving code P0172, however the actual cause must be determined. , First, we have to establish whether or not the P0171 code is active. You can have this done by most parts stores or by a quick scan from a local shop. If the only stored code is P0171, we can ..., The most common cause of the P0171 code – and the P0170 and P0173-P0174 codes – is unmetered air entering the combustion system. Most of the time, this happens due to faulty or dirty mass ...