How to fix p0089 chevrolet captiva diesel 2007

Make sure to replace that air filter every 12,000 miles or 12 months, whichever comes first. The P0089 "Fuel Pressure Regulator 1 Performance" code was shown. 4. The P0089 code in a Chevy Blazer refers to a problem concerning the fuel pressure regulator system. MAF Sensor – Circuit (Range/Performance) The P0101 code indicates to an issue with the Mass Air Flow (MAF) sensor in your Chevy Captiva. The base of the problem is that the fuel pressure sensor is showing a fuel rail pressure that Aug 15, 2023 · Some potential causes include: A faulty fuel pressure regulator. 2007-2015 GMC Acadia. When your vehicle’s electronic fuel pressure regulator develops a problem, the P228D code or other related trouble codes could trigger. As a result, the engine may experience intermittent misfires, leading to reduced performance and driveability. Clogged or blocked fuel filter. Plug in the scan tool to the OBD II port. The 2012 Chevrolet Captiva brought in the specialist gearbox workshop at Stephens Engineering is a four wheel drive, fully automatic vehicle. 228D Same concerns as 0089. Even if your vehicle is of a different make or model, watching the video can give you a better idea about checking the fuel rail pressure sensor and its circuit. Vehicle: 2013 Chevy Traverse LT V6 with around 150k miles. When addressing the P0089 code in a Volkswagen Passat, it is essential to first inspect and diagnose the fuel pressure regulator. i thought it was the fpr so i replaced it but the codes and defueling came back. 2009-2015 Chevrolet Traverse. When addressing the P0089 code in a Chevy Silverado, it is essential to first inspect and diagnose the fuel pressure regulator. 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. Faulty High-Pressure Fuel Pump. A lot of people said they had this message, cleaned the throttle body and it was fixed. It’s a generic code, which means it has the same definition for your vehicle as it would any other vehicle. 2010-2015 GMC Terrain. When addressing the P0089 code in a Chevy Traverse, it is essential to first inspect and diagnose the fuel pressure regulator. It may get logged by the PCM when the pressure inside the fuel rail or the fuel system dives below the minimum levels needed to supply the engine with enough fuel to run properly. 03 lb7 getting p0089 fuel pressure regulator 1 performance code and p0088 fuel rail/ system pressure too high code. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. 2011-2015 Chevrolet Captiva Sport. The most common reason for your Chevy Captiva’s AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged). 0 P0089. #1 · Feb 5, 2009 (Edited) I have a reaccuring code P0089 Fuel Pres Reg Perf. Sine code P0088 indicates an excessive fuel pressure the problem is unlikely to be caused by wiring issues, unless the fuel pressure regulator is electrically operated. OBD codes P0089, P0014 and P228D appear on the reader. Normally you should set the pressure out of the Airdog to about 9psi for the duramax. 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 designated fuel When a code P0091 is stored, it means that the powertrain control module (PCM) has detected a low voltage signal from the control circuit of the electronic fuel pressure regulator designated 1. K&N cold air. The video below shows exactly how to use a scanner to test the VSS. Symptoms like rough idle or stalling can indicate regulator issues. The code is set when the sensor is taking too long to warm up. What does this code mean, and how do I fix it? Truck runs great, no performance changes. P228D. 3. A bad fuel filter will not let enough fuel into the Captiva’s fuel injection system to support operation above a certain demand on the engine. 5. Learn how to diagnose a P0191 Ford case with the video below. Oct 29, 2019 · Another potential cause of a rattling engine noise in your Chevy Captiva is piston slap. Jul 26, 2022 · Labor: 1. The code is for overpressure condition. Anything over risks giving you that code. This happens due to the fuel pressure regulator’s inability to maintain the proper fuel pressure for the engine to run smoothly. This is then compared to the calculated target fuel pressure as determined by the ECM. When addressing the P0089 code in a Nissan Pathfinder, it is essential to first inspect and diagnose the fuel pressure regulator. 2007-2010 Feb 23, 2019 · Thank you so much guys, for your interest, i use all the data you gave to me, my problem has been solved when i unplug the Fuel pressure sensor located underneath the vehicle on the fuel line from the fuel pump all the way to the engine , and everything is ok, i will do circuit integrity test before replacing the sensor Dec 2, 2018 · 2012 Chevrolet Equinox 2. 7:1 air-fuel mixture, which can negatively impact your gas mileage. Your P0089 suggests that rail pressure is higher than requested. Never had to mess with one but this is what the manual says. kali ini kita bikin vidio berbagi pengalaman buat teman teman khususnya Captiva NFL Diesel yaitu kasus DTC P0089 atau kurangnya tekanan bah This document provides diagnostic instructions for DTC codes P0089, P00C6, P228C, and P228D related to the fuel system on a 2011 Chevrolet Equinox. 2013 Malibu with 2. Inspect wiring for damage or corrosion. Feb 5, 2009 · 56 posts · Joined 2009. . co 👈=====Engine Code P0016 Saving Repair Parts Aug 2, 2018 · There are two ways to reset P0442. The symptoms of a bad fuel filter are exactly the same as a faulty fuel pump. Since the oxygen sensor plays a key role in maintaining the efficiency of the combustion process, a bad sensor can result in poor fuel economy . The cause could be a faulty fuel rail pressure sensor, an open or shorted high-pressure fuel pump harness, poor electrical circuit connection, or a faulty high-pressure Keep an eye on the oxygen sensor. It is common for most auto repair shops to charge between $75 and $150 per hour. Aug 15, 2023 · The P0089 code in a Cadillac ATS refers to a problem concerning the fuel pressure regulator system. Aug 15, 2023 · A weak or failing fuel pump may cause unstable fuel pressure, leading to the P0089 code. fuse box diagram. The code means that there is a problem with the heater element circuit of the heated oxygen sensor. P0089 is related to fuel pressure but can be due to it being high or low. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Dec 1, 2020 · Below is the description of the code for a 2. Other OBD2 Codes + Test Results: P0089: Fuel pressure regulator performance problem. Faulty Engine Control Module (ECM) The P228D automobile fault code indicates a problem with the fuel rail pressure sensor or the high-pressure fuel pump. co 👈=====Engine Code P0011 Saving Repair Parts Jan 4, 2019 · P0016 should be considered an important trouble code to diagnose and repair. 2003 LB7 4x4. Sep 20, 2023 · Code P00C6 Chevrolet Description. Aug 3, 2019 · Plug a good scanner into the OBD II port. Jul 23, 2021 · P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. 0131 Bad O2 sensor or sensor wiring concern. Fuse box in engine compartment Chevrolet Captiva. Here are the steps to using the diagnosing tool. Faulty fuel pressure sensor. Jun 6, 2016 · Step 2. OBD-II Code P0089 means that the Fuel Pressure Regulator 1 is not performing properly, which can lead to excessive fuel in the fuel rail. I don't think it's a common or known problem (at least, numerous internet searches have produced no topics). Make sure that your fuel pressure sensor on the junction block just forward of center and towards the drivers side head is connected properly and that the fuel pressure requlator is also plugged in properly. Aug 22, 2022 · If a P0016 is resetting without any engine performance concerns but the above information did not isolate a cause for the DTC, replace the Cam Phaser Actuator sprocket. Mar 22, 2020 · English Service Manual / Repair Manual, to vehicles Chevrolet Captiva (C-100 / C-140). Jun 13, 2019 · News. Your Airdog output pressure is probably set too high. Started up with no issue and drove on then again it stalled at the next stop. May 5, 2016 · Check fuses and relays for proper installation and continuity, particularly those for the ECM, fuel injector driver, and fuel pressure regulator driver (if applicable). 1L engine I had a P4200 code. When this timing is off, the engine will typically not run (or barely run) Here are the major symptoms of P0016 in the Captiva: Failure to start. The high fuel pressure necessary for direct injection is supplied by the high pressure fuel pump. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the designated Jan 18, 2016 · 8 posts · Joined 2015. Nov 29, 2015 · 2013 LS 2. Actually I had many codes. I wonder what it is. There is no single, fail-safe solution to diagnostic trouble codes, such as the P0089. It may refer to a particular engine bank but not Oct 18, 2022 · P0234 is a standard OBD2 trouble code that can occur in the Captiva. 0. truck starts and goes fine when plugged in over night. P0089. A P0089 code may cause a driveability concern as well as poor fuel economy. The ECU controls the fuel pressure regulator and when a fault is detected the P0089 code is set. Also keep in mind that trying to drive the vehicle with this code present may cause further damage to the fuel system or engine. . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mar 2, 2021 · Codes: P228C and P0089. ”. This document provides maintenance and repair instructions for fuel system components of the Chevrolet Captiva diesel engine. 5 174hp fault code P0089 what part do i need to replace if i get the faultcode P0089? Many thanks for helping me, Carl. Aug 15, 2023 · The P0089 code in a Chevy Trailblazer refers to a problem concerning the fuel pressure regulator system. Started the car and it ran rough for 10 to 15 seconds and died. 2015 GMC Canyon. Get Additional Help. The fault code P228C indicates a problem with the fuel pressure regulator control circuit. Dec 22, 2020 · =====Claim your FREE engine code eraser 👉 https://free. The initial step is to check for the fault in the vehicle’s fuel injection system. It describes procedures for pumping fuel, inspecting fuel pressure, removing and installing the fuel tank, fuel pump assembly, fuel level sensor, and fuel filter. Sep 23, 2021 · Those who lack confidence or time should bring their vehicle to a reliable auto repair shop for diagnosis and repair. The condition exists for greater than 5 s. 8L. legend. If any part of my first answer is confusing or needing more detail. truck was dufueling and throwing these codes. Jan 4, 2019 · P0016 should be considered an important trouble code to diagnose and repair. The fuel rail pressure sensor detects fuel pressure within the fuel rail. Sep 9, 2022 · If your vehicle logs a P0192 code, it means that the powertrain control module (PCM) has detected a problem with the fuel rail pressure sensor. -fuel filter. Safety precautions are outlined and special tools required for some procedures are listed. The codes pertain mainly to the car's fuel system, but don't really single anything out. your p0089 is because of the airdog. penanganan suda dilakukan,cuci tangki suda,filsol suda ganti, pom supplay suda di buka dibersihkan,saringan kecil di Oct 31, 2019 · Conditions for Setting the DTC. Injector pulse 2. Bad Fuel Filter. co 👈=====Engine Code P2097 Saving Repair Parts Fault code P0089 can occur on different vehicles but there are statistics on which brands this occurs most often. 2015 Chevrolet Colorado. 5 liter. There is a factory service bulletin for the following Chevrolet models: 2008-2012 Chevrolet Captiva. You can plug a scan tool into your Captiva and command it to clear the codes, or you can repair the EVAP leak. The control module monitors how long it takes the sensor to warm up and start sending an adequate signal. Piston slap typically occurs as a result of wear on the piston and the cylinder walls, causing the piston to move side-to-side and making contact with the cylinder wall. Other factors that may influence the cost include Aug 27, 2019 · Interior fuse block is located in the left side of the front passenger foot well. Chevrolet P4200 code p0181 p0089 p0442 Hi, in my Malibu 2002 with 3. Both Automated and manual mechanical scanning is to be done afterward to confirm the issues. If there’s no voltage, test the resistor (YouTube). Inspect instrument cluster for ABS or brake light illumination. Engine power reduced and stabilitrac message. Jul 11, 2019 · 0089 Fuel pressure regulator or pressure sensor not working or reading right. Replace it if necessary. Fuel pressure sensor electrical circuit poor connection. The Engine Control Module (ECM) provides a 5V reference voltage on the 5V reference circuit and ground on the low reference circuit. When the filter is not clean, it will block the free flow of fuel. 0 hour of labor. https://servicemanuals. Just today I was sitting at a stop light and my engine stalled. Issue + Repair History: MIL lamp on, P0089 fault code recurrence. The car has both a problem with the fuel tri Semangaat pageei. #1 · Jan 1, 2013. I had this DTC : P0089. Sensor malfunctions or wiring problems. How to Fix the P0089 Code. Aug 15, 2023 · Some potential causes include: A faulty fuel pressure regulator. Replaced fuel pump in 2013 to address P0089 code. Finding out the main reason why P0089 sets is complicated enough because there are multiple possible causes. engine is on. When this timing is off, the engine will typically not run (or barely run) Here are the major symptoms of P0016 in the Colorado: Failure to start. If the pressure in the fuel rail or fuel system drops past acceptable levels =====Claim your FREE engine code eraser 👉 https://free. Customer seeking state inspection. Faulty fuel pump. Mar 23, 2024 · Tech Notes. Aug 15, 2023 · The P0089 code in a Chevy Equinox refers to a problem concerning the fuel pressure regulator system. Start vehicle engine and firmly press brake pedal. Fuel pressure sensor harness is open or shorted. I have been trying to figure out a pattern for when it happens, and it seems like it only happens when I am slowing down and almost at idle. Aug 15, 2023 · When the P0089 code is present in a Chevy HHR, one of the common symptoms is engine misfires. When there is no trouble found in the fuel pressure regulator, the next step is to check the fuel pump output. With KOEO, backprobe the FPR connector, checking for power or ground, depending on the system. Fuel pump issues. Mohon bantuanya om2 ganteng. Usually, the FPCM is a stand alone module. -sensors fuel pressure. U0101 is often misdiagnosed as a May 31, 2019 · When your Chevy Captiva’s oxygen sensor(s) are not working correctly, it can disrupt the optimal 14. In layman’s terms, it indicates a potential problem with an engine’s forced induction system, and you should only see it if your vehicle is turbocharged. It means that your Captiva’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the TCM itself. Piston slap is more commonly seen in vehicles with higher mileage. #1 · Jan 18, 2016. Jul 15, 2022 · Description. This diagnostic trouble code is triggered when the Engine Control Module Sep 24, 2017 · Reputation: 73. 2008-2009 Pontiac Torrent. The high pressure fuel pump is mounted on the rear of the engine and is driven by a thre Oct 31, 2019 · Conditions for Setting the DTC. You can configure it to report the vehicle’s speed as reported by the VSS. Car runs loud and is sluggish. Please let me know so I can help more. 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. Oct 25, 2019 · Possible Causes. If this code is left unresolved, you might notice issues like poor engine performance and increased fuel Jan 2, 2013 · 216 posts · Joined 2011. Many newer vehicles use a direct injection fuel system, which injects the fuel directly into the cylinder instead of into the intake manifold port going to each cylinder. Jul 20, 2021 · Diagnostic Trouble Code (DTC) P0087 stands for “Fuel Rail/System Pressure Too Low. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the designated Aug 9, 2023 · Causes and Fixes Chevy / GMC P0016 engine code: Crankshaft Position Camshaft Position Correlation (Bank 1 Sensor A)Chevy and GMC introduced VVT in 2009 (Vari Aug 15, 2023 · The P0089 code in a Chevy Impala refers to a problem concerning the fuel pressure regulator system. Step 1: Complete Data scanning By OBD-II. 2008-2015 Chevrolet Equinox. Here is a list of some of them: Audi (A4) Chevrolet (Captiva, Equinox, Malibu, TrailBlazer, Traverse) Citroen; Dacia; Daewoo (Winstorm) Fiat (Doblo, Ducato) Ford (Connect, Focus, Kuga, Mondeo, Ranger, S-Max, Sierra, Transit) GMC Jun 18, 2008 · 1205 posts · Joined 2003. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the designated Sep 2, 2023 · The main reasons that can cause the P0087 code are different parts of the fuel system: Weak and faulty high-pressure fuel pump. 4. To diagnose the P0191 Chevrolet code, it typically requires 1. Fuel Injectors: Inspect the fuel injectors for clogs, leaks, or malfunctions. I got captive diesel 20 LX, the car starts and shuts down after few min. Fuel pressure too high. This output can only be checked by using an advanced scan tool on these types of fuel systems. I have a BlueDriver code reader with me and plugged it into the OBD-2. 2007-2009 Saturn Aura. Current issue with the code resetting every two drive cycles. In some applications the pressure regulator is located on the fuel rail and operated by a spring with vacuum assistance obtained from the inlet manifold. #5 · Jun 20, 2008. Connect a suitably programmed scan tool and ensure no brake system codes are present. May 1, 2019 · 2013 Engine stalls P0089. 5L CEL P0089 and P228D. Does anyone know the location of fuel pressure regulator, is it hard to do it. 0 hour. Too much boost can trigger the sensor to turn on the check engine light. The numeral designation 1 is used in systems which have multiple electronic fuel pressure regulators. High-Pressure Fuel Pump electrical circuit poor connection. Fuel line restricted. Fuel Filter: Evaluate the fuel filter for clogs or debris built up over time. =====Claim your FREE engine code eraser 👉 https://free. A clogged air filter can cause the fuel system to run rich, which can trigger the P0172 code. 2008-2012 Chevrolet Equinox. Hi guys. info/ Jan 31, 2020 · captiva Lx 2010 Engine light with DTC p0089. If you clear the code without fixing the cause, it will return. An old pump will not be able to deliver the proper fuel flow to the fuel rail. I cleaned throttle body. If it says 0 MPH while driving, the VSS has likely caused your Chevy Captiva’s speedometer to stop working. Truck runs great and I just can't figure out what the deal is. Nov 17, 2020 · =====Claim your FREE engine code eraser 👉 https://free. It describes the fuel rail pressure sensor and high pressure fuel pump components. The diagnostic procedure involves verifying circuit functions, testing fuel pressure response, and inspecting components if issues are found. First, extract the code from the PCM using a scan tool. 2. Thanks in advance for the help, I appreciate it. The crank and cam sensors work in tandem to produce the ideal air/fuel ratio for your engine. 2007-2009 Pontiac G6. Step-3: Replace the failed fuel pump. nonda. High pressure fuel is regulated by the Oct 3, 2022 · If voltage goes to the blower motor, it’ll need replacing. This code typically applies to vehicles with an electronic returnless fuel injection system. There can be single or multiple issues causing the P0191. Nissan pathfinder 2005 diesel 2. The P0089 code indicates a possible issue with the fuel pressure in your vehicle. Scanned codes. Automatic transmission repair specialists, Stephens Engineering, recently carried out a 2012 Chevrolet Captiva gearbox repair. This code will remain until the problem is resolved. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Mar 15, 2022 · Your engine may stall if your car is running on P0089 code. The DTC has a two digit symptom code which you’ll only get with a decent scan tool; You may get a false code reading if there’s resistance in the vehicle wiring due to splits, cracks or otherwise poor connections. I'm just trying to find a little more information on remedying the codes my parents' car is throwing. It can be a stand-alone module or a computer integrated into the PCM. The actual fuel rail pressure is 3 MPa (435 psi) greater than the desired fuel rail pressure. ( Fuel Pressure Regulator 1 Performance ) I replaced: -ramp fuel pressure. The fuel pressure regulator regulates how much fuel is delivered to the fuel injectors. The Chevrolet Captiva automatic transmission unit is a six speed unit. AC System Not Blowing Cold Enough. Damaged fuel lines or leaks. If you fix the leak without clearing the code, the check engine light may take a few drive cycles to turn off. Repair as needed. Aug 15, 2023 · The P0089 code in a GMC Terrain refers to a problem concerning the fuel pressure regulator system. Dodge 1500, 2500 & 3500 Pick-ups (94-08) with V6, V8 & V10 Gas & Cummins turbo-diesel, 2WD & 4WD Haynes Repair Manual (Does not include information specific to SRT-10 (Haynes Automotive) Nov 1, 2018 · P0101 Code Definition. Inspect pedal for "spongy" or abnormal feel when applying pressure. The ECM receives a varying signal voltage on the signal circuit. problem captiva nfl diesel 2008, hasil scan P0089. Chevrolet Captiva 2. Nov 8, 2015 · 2010-2015 Chevrolet Camaro. 2010 chevy equinox P228D P0089 P0016 P0017 Showing codes ;p0016 P0017 P228D P0089 Any advice would be appreciated Where to start 2013 Chevrolet Malibu - Codes P0089, P0014 & P228D The car has 161,000 miles on it and the check engine light came on. I connected cheap cheap scan OBD2, it shows code P0089 no fuel pressure, I changed the fuel pump still the same. When addressing the P0089 code in a Chevy Malibu, it is essential to first inspect and diagnose the fuel pressure regulator. Also no fuel, moisture, etc in the connections after the repair. Apr 16, 2024 · The Motor Guy. Jul 12, 2021 · U0101 is a generic powertrain code, which means it has the same definition for the Chevy Captiva as it would any other vehicle. Additional fuse box in engine compartment (only diesel). 5 motor. What repairs can fix the code? The following are solutions that may fix this problem: Replacing a clogged filter or replacing a hose with a leak The P0089 is a diagnostic trouble code (DTC) for a fault found with the fuel pressure regulator. It just can’t provide the fuel pressure. Tip 1: Regular maintenance is key, and that includes keeping an eye on that air filter. Symptoms: Significant and sudden decrease in engine power. P0016, p0089, p228d fuel pressure regulator. Clean or replace as needed. 4362. The ECM adjusts the FRP by modulating the duty cycle of the control driver of the fuel pressure regulator. May 20, 2024 · Victor. Fix any fuel or vacuum leaks by replacing damaged seals and hoses, and tightening loose clamps or securing the fuel lines. Fuel filter problems or clogs. This warning code requires immediate attention What does OBD-II fault code P228C mean? OBD-II Code Decreased engine performance is defined as a Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too. The estimated repair time for this fault code is 1. 2008-2012 Chevrolet Malibu. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the Sep 12, 2023 · The first step in troubleshooting the P0089 DTC is to use a diagnostic scan tool to check and interpret the code and then erase and drive to see whether the codes will return after rescanning. The high pressure fuel pump actuator command is greater than or equal to 240 ° or less than or equal to 0 °. Aug 16, 2020 · I will take you though the repair of both P0170 and P0172 - How to diagnostic the car problems and EASYLY fix it. If you're facing a P0090 code linked to fuel pressure regulator problems, follow these steps. Rattle coming from the motor. High-Pressure Fuel Pump harness is open or shorted. The document Aug 15, 2023 · A weak or failing fuel pump may cause unstable fuel pressure, leading to the P0089 code. 04/16/2024. It comes on for a few days, then goes off for a few days. Here recently my truck has been throwing P0088 Rail pressure too high codes at random. An external fuel management computer usually controls the pump. Like. Replacement procedures Aug 15, 2023 · Some potential causes include: A faulty fuel pressure regulator. Aug 15, 2023 · The P0089 code in a Chevy Colorado refers to a problem concerning the fuel pressure regulator system. The Engine Control Module ( ECM) uses the Fuel Rail Pressure (FRP) Sensor to determine fuel pressure to the fuel injectors. Water getting inside the heated oxygen sensor connector can cause Oct 7, 2009 · P0089. Check Engine light and Traction Control light are continuously illuminated. Auxiliary engine room fuse block (Diesel only) is located in the centre of the front panel. Nov 24, 2023 · Vehicle Information: 2007 Saab 9-3 Aero 2. 2012-2015 Chevrolet Impala. Mar 26, 2021 · Part code is # 55495697Also a good idea to replace fuel filter under rear of car Remember to do the regulator leading on diag machine or the fault code will Aug 15, 2023 · Some potential causes include: A faulty fuel pressure regulator. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the designated Sep 26, 2019 · Your Chevy Captiva may be jerking when accelerating. co 👈==== How to Fix P0172 =====Engine Code P0172 Saving Repair P Apr 24, 2024 · On some vehicles, an electronic fuel pressure regulator helps maintain the appropriate fuel pressure needed by the engine’s fuel injectors. May 16, 2022 · Possible Causes. Testing pressure and voltage levels is essential. The most common symptom is the engine light turning on. hu nh qi fr ci jb ix yz ng ou