To diagnose the P0171 2010 Ford Fusion 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.P0171 fuel ford lean bank too system toyota mixture fault air code causes injection sensor fix car ratio oxygen heated. P0171 code: vacuum leak test on my 2007 mustang gtFord sensor dpfe ranger location egr code codes valve p0171 p0174 lean gas engine v10 p1406 fix p1401 2008 exhaust Mustang ford p0340 code engineSolution to … If your vehicle was a full-size pickup, like the Ford F-150, expect that number to rise to $500. Fuel injector cleaning services can go for between $100 and $200. Ford p0171 2002 p0174 van codes. P0351 fault code?: truck running bad. checked codes got p0351.2004 ford f150 engine dies when stopping, code lean on bank one and P0611 code and all 8 codes for low cylinder flashing ,but trucks seemsHow do you fix a code p0171 on a ford f150 1998.. P0171 ford f150 codeCode p0174 ford f150 .Aug 19, 2011 ... Its purpose is to replace/balance the air that vents from the valve cover, through the PCV valve, and into the air intake manifold. The tube ...The only way I can start my 01 f150 is to turn on the dome light. 1997 - 2003 Ford F150 - 2003 f150 4.6 p0171 - Hey Guys, I know there are a million posts on this, but I think I'm having a somewhat unique situation. I have a P0171 code, and no P0174. It sputters bad when driving, feels identical to a misfire which is what I figured it was until ...The most common problems that trigger the P0171 fault code are: Bad MAF (mass airflow sensor) Bad injectors. Bad O2 sensors. Vacuum leak. A malfunctioning or bad PCM. Clogged fuel filter. Weak fuel pump. Bad fuel pressure regulator.Popular Mechanics Magazine can recommend trying a few troubleshooting steps to resolve the P0171 code in a Ford F150. One technique is to check for vacuum leaks using a smoke machine or by spraying carburetor cleaner around the intake manifold and vacuum lines while the engine is running. Another suggestion is to clean or replace the Mass Air ...Your Ford's clutch switch, known as the neutral safety switch, prevents the vehicle from being started in gear. This safety feature is designed to avoid costly damage to your vehic...Oct 19, 2023 ... This engine is used on the Ford Explorer, Flex, Taurus, Edge, F-150 and more.Fuel Injectors. P0171 indicates that your Ford Mondeo is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171.Hi Ed, P0171 and P174 are fault codes for being too lean (Bank 1 and Bank 2). Are you by chance running a MAFia and, if so, when you returned to ...The P0171 engine code indicates a problem with your car’s fuel injection system: the air-fuel mixture ratio is too lean. This affects how efficiently the fuel is being used. An incorrect air-fuel mixture ratio can also cause the vehicle to lose power and the engine to overheat.In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...P0171 indicates that your Dodge Ram is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that can cause ...Check engine code p0171 twinflamedesign. 1999 ford explorer p0171 and p0174 codes / expedition código p0171Check engine light with codes p0171 and p0174 Ford p0171 p0174 code solution problem forums truckSolution to my code p0171, p0174 problem. Explorer p0403 fault egrP0171 p0174 dtc decoded How to fix car hesitation …Jul 7, 2020 · The mass air flow sensor calculates the volume of air entering the engine. If it has gone bad, the air fuel mixture will be off and the P0174 and/or P0171 codes will show. It’ll be located between the air filter and the throttle body. It’s easy to find. It will have a wiring harness plugged into it. The "Check Engine" light was turned on yesterday on my '98 Expedition EB. I got two codes at the same time: 1. P0171- System Too Lean (Bank 1), and. 2. P0174- System Too Lean (Bank 2). I know either one of these codes can mean something is wrong with air intake, fuel system, or O2 sensor.Fuel Injectors. P0171 indicates that your Ford Ranger is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171.Sep 10, 2018 · Fuel Injectors. P0171 indicates that your Ford Explorer is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. Code P0171 Ford - System Too Lean Bank 1 - AutoCodes. Learn what causes this common engine light code and how to diagnose and repair it. Find detailed step-by-step instructions, diagrams, and videos for your specific Ford model and year. What Does Code P0171 Mean For Your Ford? Causes Of P0171 Code In Ford Vehicles. 1. Faulty Mass Airflow Sensor (MAF) 2. Vacuum Leaks. 3. Faulty Fuel Injectors. 4. Bad …My tuner showed the same P0171 code, so I cleared it to see what would happen. I drove about 40 miles total list night (3 different driving cycles) and it hasn't come back. The filter is brand new, all vac lines connected/capped. Not really sure what caused it but hopefully this was an isolated occurance.Sep 14, 2023 · Let’s take a quick look at a brief of the P0171 code below. P0171 Definition: System Too Lean (Bank 1) Code type: Generic – P0171 indicates the same problem whether you’re having a Chevy, Ford, or Toyota, etc. Can I drive with the P0171 code? Yes, but you should not drive your vehicle for a long time. Is it easy to fix? Intermediate level. P0171 and P0174 + fuel pressure. I'm trying to figure out the cause for these diagnostic codes. I've replaced the MAF, air, and fuel filters. My fuel pressure read 30 psi at idle, 38 with the vacuum hose removed from the fuel pressure regulator, and 38 at WOT. I got the same readings using both tanks. Although within specs this seems a little ...Ford Motor Company’s A plan pricing is for active full-time Ford employees and their immediate family members, while the Z plan is for retired full-time employees and their immedia...P0171: význam, příčiny, opravy. Chybový kód P0171 indikuje, že směs paliva a vzduchu je příliš chudá. Může to být způsobeno vstupováním příliš velkého množství vzduchu do motoru nebo nedostatečným množstvím vstřikovaného paliva. Narušení procesu vstřikování se obvykle vyskytne vlivem těchto selhání:In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...If the P0171 is combined with the P0174 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. If there are no intake leaks ...1. City, State. memphis, tn. Year, Model & Trim Level. '97 xlt. May 6, 2008. #1. I have a '97 OHV with about 200,000 miles on it. I am having random misfires, and the truck is running like crap. I am getting about ten codes on it. It’s important to diagnose the root cause of P0171 before attempting any repairs, as misdiagnosis or improper repairs can lead to further damage or code recurrence. Sum Up. P0171 is a common fault code that indicates a lean condition on Bank 1 of the engine. The symptoms of P0171 can include poor fuel economy, rough idling, or lack of power. One of the most common trouble codes with the Ford Expedition is P0174. It indicates that your Ford Expedition is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of2014. Posted May 6, 2019. 2014 Fusion with 2.0L ecoboost. I occasionally receive the P0171 code (lean bank 1). It may go away for a month and then comes back. Using my odb2 reader, the sort term fuel trim is good but the long term fuel trim is high at idle. At idle it is typically 22 to 27. Under acceleration it appears to drop down a bit.Ford tractors can be identified by the serial number that has either been stamped behind the oil filter on the engine block’s left side, on the left side of the transmission case, ...A 4 Cylinder has only Bank-1. Possible Causes of a Ford P0171 Code: Dirty Air Filter Mass Air Flow Sensor (Codes P0100, P0101, P0102, P0103, P0104) Clogged …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 …P0171: význam, příčiny, opravy. Chybový kód P0171 indikuje, že směs paliva a vzduchu je příliš chudá. Může to být způsobeno vstupováním příliš velkého množství vzduchu do motoru nebo nedostatečným množstvím vstřikovaného paliva. Narušení procesu vstřikování se obvykle vyskytne vlivem těchto selhání:The mass air flow sensor calculates the volume of air entering the engine. If it has gone bad, the air fuel mixture will be off and the P0174 and/or P0171 codes will show. It’ll be located between the air filter and the throttle body. It’s easy to find. It will have a wiring harness plugged into it.Depending on the engine type, the 2014 Ford F-150 truck has between 302 and 411 horsepower. According to the Ford website, the four engine types include the 3.7-liter four-valve V6...Welcome to Ford Ranger Forum Thread Tools: Search this Thread #1 11-23-2017, 08:30 PM louisvilleranger95. Ford Motor Co ... Posts: 161 p0171. 1995 4.0 4x4. i am getting a po171 code for lean on bank one. i have changed 02 sensors on both sides fuel filter and pump and had a shop check for vacuum leaks and found none. i have also …Symptoms: P0171 + P0174 Ford F250. There aren’t always drivability issues associated with these codes. For most people the first sign that anything is wrong at all is the service engine soon light coming on. Here are the typical symptoms that something is wrong when your F250 has codes P0174 and P0171.Ford cars come in all shapes and price ranges. See pictures and learn about the specs, features and history of Ford car models. Advertisement Ford models come in all shapes and pri...Sep 25, 2011 · P0171 And P0174 Essentials. P0171: System Too Lean Bank 1. PCM's Adaptive Fuel Strategy has reached its Rich calibrated limit for bank 1. In plain English, this means that the PCM is adding fuel like crazy to even out the air/fuel mixture because it has detected a vacuum leak in bank 1. The vacuum leak may be real or it may be a “perceived ... 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.P0171 code ford f150. P0174 p0171 diagnostic diagnosingP0174 lean failing pcm regulator injectors update P0171 p0174 diagnosing pointsFord trouble code p0611. P2197 code ford mustangFord p0171 and p0174 system lean P0174 code: system too lean (cylinder bank 2)Obd2 codes archives.Ford p0174 po171 po174 bank f150 lean system too 2001 ranger p0171 codes egr intake source fault windstar valve air P0174 ford f150 code obd p0171 x5 e53 source ...The P0171 code in a Ford Explorer indicates a lean condition in bank 1 of the engine’s fuel system. This means that there is too much air and not enough fuel being supplied to the combustion chamber. This can lead to rough idling, decreased power, and increased fuel consumption. In order to diagnose and fix the issue, it’s important to ...Code P0171 is very common for high mileage Ford cars and any car pretty much. The code stand for P0171 Fuel System Too Lean Bank 1. We will explain the most …In this video, I fixed the source of the P0171 code on my 2001 Ford F-150. This code means the O2 sensors detected a lean fuel condition in bank 1 of the eng...One of the most common trouble codes with the Ford Expedition is P0174. It indicates that your Ford Expedition is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list ofP0171: jelentése, okai, javítások. A megfelelő levegő/üzemanyag arány fenntartása érdekében a motor vákuum- és üzemanyagnyomásának a gyártó által előírt értékeken belül kell lennie. A P0171 kód azt jelenti, hogy a motor első sorában az üzemanyagrendszer gyengén működik, vagy a motor ezen oldalának közelében ...In the most literal sense, the P0171 code means “System Too Lean (Bank 1).”. This trouble code points to a lean running engine condition on the first bank of cylinders. Keep in mind that even inline engines can have two “banks.”. For example, the first 3 cylinders of an inline-6 are sometimes defined as Bank 1, while the 3 cylinders are ...Sep 10, 2018 · P0171 indicates that your Ford Expedition is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that can ... OBD-ii Code P0171 definition: Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time. Mar 4, 2021 ... Ford Shelby GT500 Forum. in this thread in ... P0171 System Too Lean Bank 1 Issue resolved ... For a solid year or more id been trying to tackle the ...Aug 18, 2023 · A 4 Cylinder has only Bank-1. Possible Causes of a Ford P0171 Code: Dirty Air Filter Mass Air Flow Sensor (Codes P0100, P0101, P0102, P0103, P0104) Clogged Fuel Filter Fuel Pressure Regulator... P0171 - System Too Lean (Bank 1) Description: The adaptive fuel strategy continuously monitors the fuel delivery hardware. The test fails when the adaptive fuel tables reach a rich calibrated limit. Refer to Section 1, Powertrain Control Software Fuel Trim for more information. Possible Causes: Fuel System:Welcome to Ford Ranger Forum Thread Tools: Search this Thread #1 11-23-2017, 08:30 PM louisvilleranger95. Ford Motor Co ... Posts: 161 p0171. 1995 4.0 4x4. i am getting a po171 code for lean on bank one. i have changed 02 sensors on both sides fuel filter and pump and had a shop check for vacuum leaks and found none. i have also …. 1. City, State. memphis, tn. Year, Model & Trim Level. '97 xlt. May 6, 2008. #1. I have a '97 OHV with about 200,000 miles on it. I am having random misfires, and the truck is running like crap. I am getting about ten codes on it.Jan 29, 2022 ... I will show you some tips and tricks I learned while fixing the lean codes on my 2003 Ford F150 with the 4.2L V6. A perpetual P0171 code was ...Apr 13, 2019 · 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. Dirty MAF sensor, vacuum leak, O2 sensor. The consumption of fuel increases whenever there is an issue with the air-to-fuel ratio of the gasoline mixture, not just for the P0172 trouble code in Ford. As a result, the fuel economy becomes much worse, and you’ll have to fill up your fuel tank more often. However, this symptom could also mean a p0022 ford f150.Dec 29, 2018 · P0171 indicates that your Ford Crown Victoria is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that ... There may be other very specific (or common) issues that other motorists have experienced with your car. Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture fault in the BMW X3 is a faulty …The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of cylinders.The P0171 code in a Ford Explorer indicates a lean condition in bank 1 of the engine’s fuel system. This means that there is too much air and not enough fuel being supplied to the …The P0171 code in a Ford Explorer indicates a lean condition in bank 1 of the engine’s fuel system. This means that there is too much air and not enough fuel being supplied to the …One of the most common causes of the P0171 engine code is a fuel system leak. When your fuel system leaks, more air and less fuel will enter the engine's cylinders. This results in your engine running lean because it can't get the necessary amount of fuel. Another problem with the fuel system is clogged fuel injectors.Sep 14, 2023 · Let’s take a quick look at a brief of the P0171 code below. P0171 Definition: System Too Lean (Bank 1) Code type: Generic – P0171 indicates the same problem whether you’re having a Chevy, Ford, or Toyota, etc. Can I drive with the P0171 code? Yes, but you should not drive your vehicle for a long time. Is it easy to fix? Intermediate level. There may be other very specific (or common) issues that other motorists have experienced with your car. Just Google the codes followed by your car's make and model, for example: "P0171 and P0174 Ford Expedition." As one example, many report that a common cause of the P0171 and P0174 lean mixture fault in the BMW X3 is a faulty …The P0171 code is a generic powertrain code that indicates a lean condition in the engine’s air-fuel mixture. In the context of a Ford Ranger, it specifically points to Bank 1 being too lean. This means that there is either too much air or insufficient fuel getting into the engine on the first bank of cylinders.P0171 and P0174 are diagnostic trouble codes that indicate the engine has a lean fuel mixture. They are triggered by the upstream oxygen sensors on the engine bank 1 or 2. …P0171 indicates that your Ford Crown Victoria is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that ...P0171 - System to Lean (Bank 1) The Adaptive Fuel Strategy continuously monitors fuel delivery hardware. The test fails when the adaptive fuel tables reach a rich calibrated limit. For lean and rich DTCs: Fuel system. Excessive fuel pressure. Leaking/contaminated fuel injectors. Leaking fuel pressure regulator.P0016 ford mustang gtP0016 dtc I have 2019 ford mustang gt 5.0l, and dtc is p0300 i replaced theMustang p0174 p0171 codes owner engine. 2015 ford mustang gt (p0300) engine misfire. !!!!!!update!!!!!!! more2015 mustang gt p0308 p0301 misfire P0171 code: vacuum leak test on my 2007 mustang gt2000 ford mustang 3.5 with p0171 & …Apr 12, 2017 ... My car is throwing a P0171 code and I'm not sure why. A few Google searches have informed me that it could be a number of things causing ...Apr 13, 2019 · 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. Dirty MAF sensor, vacuum leak, O2 sensor. May 24, 2014 ... Guest ... Diagnostic Trouble Codes (DTCs) P0171 bank 1 (Cylinder 1) and DTC P0174 bank 2 indicate the fuel/air ratio is too lean. The fuel trim ...P0171 code ford f150. Solution to my code p0171, p0174 problemP0022 code p0171 ford Ford f-150 5.4l 3v engine: common causes for lean codes p0171 p0174Fixed my codes p0171, and p0174. Ford p0171 p0174 code solution problem forums truckP0022 ford f150 5.4 code ford p0171 codes 1999 f150 sensors p0135 o2 2004 ford …Interference engines made by Ford include its 1.6-liter single overhead cam engine, 2.0-liter double overhead cam engine, 2.2-liter engine, 3.0-liter single overhead cam engine and...P0171 and P0174 are diagnostic trouble codes that indicate the engine has a lean fuel mixture. They are triggered by the upstream oxygen sensors on the engine bank 1 or 2. …Jan 9, 2023 ... It showed P0171 and P2096 codes. P0171 is system too lean bank 1, and P2096 is post catalyst fuel trim too lean bank one. Since both are lean ...Sep 10, 2018 ... Скорее всего это насос (может и фильтр-сетка на нем) или забитые форсунки (лучше чистить самому с заменой фильтров внутри форсунки). Можешь ...Ford p0171 2002 p0174 van codes. P0351 fault code?: truck running bad. checked codes got p0351.2004 ford f150 engine dies when stopping, code lean on bank one and P0611 code and all 8 codes for low cylinder flashing ,but trucks seemsHow do you fix a code p0171 on a ford f150 1998.. P0171 ford f150 codeCode p0174 ford f150 .Oct 2, 2023 · One of the most common causes of the P0171 engine code is a fuel system leak. When your fuel system leaks, more air and less fuel will enter the engine's cylinders. This results in your engine running lean because it can't get the necessary amount of fuel. Another problem with the fuel system is clogged fuel injectors. Your Ford's clutch switch, known as the neutral safety switch, prevents the vehicle from being started in gear. This safety feature is designed to avoid costly damage to your vehic...Jun 30, 2022 ... Share your videos with friends, family, and the world. Causes Of P0171 Code In Ford Vehicles. 1. Faulty Mass Airflow Sensor (MAF) The Mass Airflow Sensor measures the amount of air entering the engine to calculate the proper air-to-fuel mixture. If it’s giving incorrect readings, it can cause the engine to run lean. My problem is the Check Engine Light in on, and I am getting the P0171 code. I have read everything on this forum about eliminating the code, and have performed the following steps: - new fuel filter - no change observed. - new spark plugs - no change. - cleaned MAF sensor - no change.Trouble code P0171 & P0174 on a 2003 F-150 with 4.2L V6. I have cleaned the MAF, changed the fuel filter, looked for vacuum leaks, checked for vacuum leaks with the MAF cleaner (flammable), checked every thread on this forum, had the check engine light reset several times. The truck runs fine, just idles a little high when I first start it ...Fuel Injectors. P0171 indicates that your Ford Windstar is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171.P0171 indicates that your Ford Expedition is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. If you have one or more fuel injectors that have gone bad, that can ...Jan 9, 2023 ... It showed P0171 and P2096 codes. P0171 is system too lean bank 1, and P2096 is post catalyst fuel trim too lean bank one. Since both are lean ...P0174 ford f150 code obd p0171 x5 e53 source xoutpost resolved bmw Truck codes p0171 p0174 engine check light bou. P0356 ford f150 What are the causes for p0305 ford f150 and how to fix them? P0174 ford f150 code obd p0171 x5 e53 source xoutpost resolved bmw Truck codes p0171 p0174 engine check light bou. Fix Engine. Home;P0171 and P0174 are diagnostic trouble codes for lean condition in bank 1 and bank 2, respectively. These codes indicate that the engine is receiving too much air or not enough fuel, resulting in a lean air/fuel mixture. The potential causes include a vacuum leak, faulty oxygen sensor, clogged fuel injectors, or a malfunctioning mass airflow ...1. City, State. memphis, tn. Year, Model & Trim Level. '97 xlt. May 6, 2008. #1. I have a '97 OHV with about 200,000 miles on it. I am having random misfires, and the truck is running like crap. I am getting about ten codes on it.The consumption of fuel increases whenever there is an issue with the air-to-fuel ratio of the gasoline mixture, not just for the P0172 trouble code in Ford. As a result, the fuel economy becomes much worse, and you’ll have to fill up your fuel tank more often. However, this symptom could also mean a p0022 ford f150.Fuel Injectors. P0171 indicates that your Ford Explorer is either getting too much air or not enough fuel. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. You may see a cylinder misfire code or fuel injector-specific code with P0171. Ford codes P0171 and P0174 indicate a lean fuel mixture problem, typically caused by vacuum leaks or a faulty mass airflow sensor. To diagnose and fix these codes, you can start by inspecting the intake system for any cracks, loose connections, or disconnected hoses. Also, check the air filter and clean or replace it if necessary. The P0171 code on your Ford vehicle indicates a system too lean condition in bank 1. This means that the engine is receiving too much air and not enough fuel. To diagnose and fix this issue, you should start by inspecting the intake system for any leaks or vacuum hose problems. Additionally, you may need to check the Mass Air Flow (MAF) sensor ... The P0171 trouble code stands for System Too Lean (Bank 1) which means that the vehicle’s computer has detected insufficient fuel flow or increased oxygen flow in the first bank of the engine and both scenarios lead to ”lean condition”. ... Ford: Yes: $100 – $500: Fiat: Yes: $80 – $400: Peugeot: Yes: $100 – $500: What Repairs Can ...In Ford vehicles, there are two codes for this occurrence, which are Ford P0171 for cylinder bank 1, and P0174 for cylinder bank 2. A code reader or scan tool can be connected into the vehicle diagnostic connector. When one or both of those codes are detected, the Check Engine light will come on. Both codes are also set when the vehicle is ... ---1