Ford focus p0456

Jul 11, 2024
I’m consistently having the same issue with my 2012 Ford Focus SE. When I first got the car, the engine light came on with the codes P1450 and P0456. Per usual when I would fill up my tank, the car would sputter and stall if I wasn’t frantically pumping the gas. Did some research and found out it was most likely the purge valve..

Ford focus code p0135 02 sensor heater circuit bank 1 sensor 1Ford purge valve 2012 ford focus s.e code: p0456 part 2Engine lite on, diagnostic code "p2004" 2010 ford. ford focus 2010. Ford focus be0e 0cc2Ford focus code p0340 p0344 fix engine light on. camshaft position I have a ford focus 2011 it has a p0760 code, overdrive doesnt …FORD CODE P0455 P0456 P0457 SYSTEM GROSS LEAK EVAPORATIVE EMISSION EVAP FORD FIESTA FOCUS FUSIONIf you have Ford and you have engine light and any of the cod...If you’re in the market for a used Ford F150, it’s important to know what to look for when searching for one near you. The Ford F150 is one of the most popular pickup trucks on the...A P0456 OBD 2 engine code means that the system has detected a small EVAP leak. Watch as we guide through some simple steps on diagnosing the leak. Our vehic...Everything Ford Focus Members Online • Nervous_Newt_1123. ADMIN MOD Canister Purge Valve P0456 The other day my check engine light came on. Later that day while getting gas it took a minute to start up. I took it to Autozone a few days later and said that i have a very small leak in it. What causes this, and what is it exactly?The most common cause for triggering the P0456 code issues with the fuel cap. Carefully open the fuel cap and inspect it for any damages. Then, use a WD40 clear and spray it around the fuel cap. Also, consider cleaning the fuel tank outside right under the fuel cap to ensure no debris or contaminations.P0456 Ford Focus: Understanding and Troubleshooting Common Fault Code Issues. Leave a Comment / By Javier Belli / November 21, 2023 . Are you troubled by the P0456 evaporative emission system code on your 2012 Ford Focus SE? This pesky issue can be quite annoying, and I recently had to deal with it myself.P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your F150. Certainly, anytime the service engine soon light is on, it’s good to deal with it as ...Hello just reaching out to owners of I'm guessing from 2012 to 2019 Ford Fiesta and Focus. I had check engine light and came up with code P0456 and came up small evap leak! So did some search about it and it directed me to the capless gas little metal door could be dirty or not sealing properly.so cleaned it and drove car with engine …Ford Focus Code P0456 refers to a specific diagnostic trouble code that is related to the evaporative emission control system in Ford Focus vehicles. This code …Jul 1, 2019 ... This 2013 Ford Explorer has EVAP codes. Come join us while we pull codes and diagnose this EVAP Small Leak. Ford or otherwise. know your ...Come along with Eric O. at the SMA shop as we have a look at this 2011 Ford Escape with a "P0456 EVAP Small Leak." In this video we do a quick diagnosis on t...Aug 2, 2022 · p144a, p0456 are most often a faulty canister purge solenoid. You may or may not also experience hard starting after getting fuel from this purge solenoid. The p2195 is most often a failed mass air flow sensor. I would first change the purge solenopid and clear the codes out. If its running ok and not going into limp or low power you should be ... P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your Econoline. Certainly, anytime the service engine soon light is on, it’s good to deal with ...P0456 is a diagnostic trouble code (DTC) that is used to indicate a small leak in the evaporative emissions system of a Ford Focus vehicle. This code is typically triggered by a leak of 0.040 inch or larger in the vapor recovery system, which is designed to capture fuel vapors and return them to the fuel tank.Jan 28, 2019 · I can help you right here in Q&A chat. Thanks for holding! The P0456 is saying there is a very small leak in the EVAP (emissions control/recovery) System. The P1450 is saying the EVAP System cannot build up vacuum, due to this small leak. So, first course of action here is to have the EVAP System "smoked". Ford Ranger P0456 OBDII Code Symptoms. P0456 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light. Gas Smell – You may smell fuel vapor around the fuel tank area or fuel filler tube. Check engine light – P0456 may be accompanied by other EVAP-related trouble codes.Follow these step-by-step instructions to clear permanent codes using an OBD-II scanner: Ensure your vehicle is in a safe and secure location. Locate the OBD-II port in your Ford vehicle, usually located under the dashboard on the driver’s side. Turn on the ignition without starting the engine. Plug the OBD-II scanner into the OBD-II port.This video demonstrates how to quickly address and fix your p0455 & p0457 codes on a Ford that has the gas cap-less / easy-fuel feature. Only tools you'll ne...Ford Ranger P0456 OBDII Code Symptoms. P0456 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light. Gas Smell – You may smell fuel vapor around the fuel tank area or fuel filler tube. Check engine light – P0456 may be accompanied by other EVAP-related …The P0456 is a generic code stating that the Engine Control Module (ECM) detected a small leak from the evaporative system. This leak was detected during a self-test. For the code to come on, the test must fail two times …Got thrown P1450 2 weeks ago didnt have a check engine light on. About 3 days ago the morning after I did a few 3rd gear pulls for datalogs on what is supposed to be the last map for my tune I got a check engine light with the code P0456 (Don’t know If the tune has to do with it or if it was a coincidence or if it’s related to the P1450 code) I found …Nov 18, 2017 · Ford Mechanic: Dan. This code would either mean purge solenoid, vacuum hose that goes between purge solenoid and engine, evap hose that goes from purge solenoid to canister, or the fuel tank pressure sensor. So next step is checking to see if you are getting vacuum from engine if not check vacuum line for restriction, then check for blockage on ... Ford edge p0420: catalyst system efficiency → below threshold → bank 1Ford edge cars 2023 car p0420 suv interlock models sport list model auto v6 invest 4b driving self set motor Purge canisterCodes p1450, and p144a and p0456, trouble starting. 2012 focus. done.Jan 10, 2016 ... Cleaned the flap and reset code 3x - kept coming back. Took to dealer - they said a grommet on the fuel tank was crack. The grommet is not ...Starting a conversation with a complete stranger can be a little intimidating, and sometimes you don't know what to say. Use the FORD technique the next time you meet someone to av...HomeFord Ford Select Your Ford's Diagnostic Trouble Code Body Codes. B103B; B103CI have a 2014 Ford Focus 5MT with a little over 40K miles. On my way home from work I noticed my check engine light came on, using the code reader I got back P0456 which is a small evap leak, I’v done some research on what I should do next but I wanted to see if anyone else had the same code and if you did what ended up being the issue/how ...Oct 25, 2018 · Ford is not aware of any accidents, injuries or fires as a result of this condition. Affected vehicles include 2012-18 Ford Focus 2.0-liter GDI vehicles built at Michigan Assembly Plant prior to April 13, 2017 and 2.0-liter GTDI vehicles built prior to Feb. 2, 2018. A professional shop can use a smoke machine to test precisely where your Focus’s EVAP system is leaking from. Purge Valve. The vapor canister purge valve is a common cause of the P0442 trouble code and the Ford Focus. The purge valve lets fuel vapor out of the charcoal canister and into the intake manifold. They are easy to replace. 2019 throwing a P0456. Hey all, my brother-in-law has a 2019 Focus and comes to me for small jobs since I used to work on cars a long time ago. His engine code made me think of a loose gas cap, only to find his car doesn't need one (I told you it's been a long time) so that itself threw me for a loop. Google suggests its the EVAP canister purge ... 1. Connect the scan tool to the Ford’s diagnostic port. Connect the scan tool to the Ford’s diagnostic port, located next to the steering column under the driver’s side of the dashboard. The port will have a small cover over it with the letters “DTC” embossed on the face of the cover. Pull that cover off to access the port.I’m consistently having the same issue with my 2012 Ford Focus SE. When I first got the car, the engine light came on with the codes P1450 and P0456. Per usual when I would fill up my tank, the car would sputter and stall if I wasn’t frantically pumping the gas. Did some research and found out it was most likely the purge valve.P0456 Dodge EVAP System Small Leak 📷. P0456 Ford EVAP System Leak Detected Gross Leak/No Flow 📷. P0456 GMC EVAP Control System Leak Detected Very Small Leak 📷. P0456 Honda Evaporative Emission System Very Small Leak Detected 📷. P0456 Hyundai EVAP Emission System Leak Detected Very Small Leak 📷.Sep 17, 2018 · A leak in the fuel vapor hose leading from the fuel tank to the intake will throw P0442 in your Focus. Fuel Tank Pressure Sensor (If Equipped) If the fuel tank pressure sensor has gone bad, it can cause many problems, including the P0442 code. Not all vehicle’s have a fuel tank pressure sensor. You’ll need to verify if your Focus has one or ... Aug 25, 2016 · Yes that is corect, known issue, has a code, replace, clear codes and retest if check engine light comes back on. I have a 2016 ford focus. Code p0456, code p144a and code. Hello I have a 2016 ford focus. Code p0456, code p144a and code p01450. Yes, a faulty gas cap can trigger the code P0456 in a 2013 Ford Focus. The P0456 code indicates a small leak in the EVAP system, and a loose or faulty gas cap is a common cause for this code. Ensuring that the gas cap is properly tightened or replacing it can often resolve the issue.The initial trouble code we pulled was P0456 which indicates a small EVAP system leak. We started by checking the fuel tank pressure sensor, which should read around 2.5 volts at atmospheric pressure. After confirming the sensor’s functionality, we proceeded to test the purge valve and vent solenoid using bi-directional controls on the …Apr 8, 2022 ... P1450 Ford Focus Check Engine Light Returns For Fuel Cap Filler Neck Replacement - How To. 11K views · 2 years ago ...more ...Ford is not aware of any accidents, injuries or fires as a result of this condition. Affected vehicles include 2012-18 Ford Focus 2.0-liter GDI vehicles built at Michigan Assembly Plant prior to April 13, 2017 and 2.0-liter GTDI vehicles built prior to Feb. 2, 2018.Ford said Friday it has extended a production shutdown of its all-electric Ford Lightning pickup truck by another week. Ford has extended a production shutdown of its all-electric ...Hi dgross, I have some experience with diagnosing evaporative emissions issues on Ford vehicles. Usually a P1450 indicates the fuel tank pressure is reading that it is always under slight vacuum. This can happen for one of two reasons (usually). First and most common I find is the purge valve is leaking a little bit of vacuum to the fuel system ...P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your Mustang. Certainly, anytime the service engine soon light is on, it’s good to deal with it ...If the system detects a discrepancy twice in a row, the ‘Check Engine’ light turns on and a code like P0456 displays. The diagnostic trouble code definition for P0456 is “Evaporative Emission System – Small Leak”, which is similar to P0457. The alternative is code P0455, which indicates larger leaks in the system.P0456, P0460 and/or P2196. SERVICE ACTION ; ... • Ford has not issued instructions to stop selling/delivering or driving used vehicles under this safety recall. Owners should contact their dealer for an appointment to have their vehicles ... 2012-2018 Focus Vehicles: • Reprogram the PCM Using IDS Release 111.04 Or Higher • Parts Replaced.Jun 12, 2019 · In this video I have a look at a 2012 Ford Fusion that is throwing a code P0456 Very Small EVAP Leak. We know one thing for sure it is not the gas cap becaus... P1450 is a manufacturer-specific trouble code. In the case of Ford-made vehicles (such as the Ford Focus), it indicates that the pressure in the fuel tank is not bleeding up to the engine. This code is very common, and not a breakdown risk when it appears by itself. Far and away, the most common cause of P1450 in the Ford Focus is …There are, however, P1450 Ford Focus code remedies that you or any specialist can execute. If necessary, replace the damaged the fuel filler cap. Examine the batteries for any signs of leakage, cracks, or swelling. Any of these signs indicates that a new battery is required. Every 3 months or every oil change, check your car’s charging …P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your F150. Certainly, anytime the service engine soon light is on, it’s good to deal with it as ...Ford Ranger P0456 OBDII Code Symptoms. P0456 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light. Gas Smell – You may smell fuel vapor around the fuel tank area or fuel filler tube. Check engine light – P0456 may be accompanied by other EVAP-related …A P0456 OBD 2 engine code means that the system has detected a small EVAP leak. Watch as we guide through some simple steps on diagnosing the leak. Our vehic...What does this mean? What are the Possible Causes of the DTC P0456 Ford? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Missing or loose fuel cap. Incorrect fuel filler cap used. Fuel filler cap remains open or fails to close. Foreign matter caught in fuel filler cap.FORD:. 2016-2017 Focus. ISSUE: Some 2016-2017 Focus RS vehicles equipped with a 2.3L Gasoline Turbocharged Direct Injection (GTDI) engine and built on or before 10-Dec-2016 may exhibit an illuminated MIL with DTCs P0456, P1450 and/or P144A. This may be due to an intermittent sticking evaporative emission canister purge valve.. …P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your Escape. Certainly, anytime the service engine soon light is on, it’s good to deal with it ...*Update 04/28/21 - P0456 DTC and collapsed fuel tank example w/temporary emergency fix on post #72 *Update 05/22 ... We’re the premiere Ford Focus ST forum with discussions on the 2013+ Focus ST. Join the community and see the latest news, photos, videos, classifieds, reviews, ...Whether you already own a Ford vehicle or you want to be a Ford owner, you can find a Ford dealer near you to purchase a car or get service for the one you own. Use these tips to f...3. Points. 2. Location. Houston, TX, USA. Feb 12, 2023. #1. MY CHECK ENGINE LIGHT CAME ON THE OTHER DAY, SO I HOOKED UP MY SCANNER AND IT READ P0456 EVAPORATIVE EMISSION SYSTEM LEAK DETECTED. I CLEARED THE CODE AND MY CHECK ENGINE LIGHT WENT AWAY, BUT THE CODE STILL …Jul 7, 2021 · It’s throwing a p1450, p00c6 and a p0456 code. 2015 Ford Focus St. Umm yesterday it shut off like lost power but it - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. I have a 2014 Ford Focus 5MT with a little over 40K miles. On my way home from work I noticed my check engine light came on, using the code reader I got back P0456 which is a small evap leak, I’v done some research on what I should do next but I wanted to see if anyone else had the same code and if you did what ended up being the issue/how ...If the system detects a discrepancy twice in a row, the ‘Check Engine’ light turns on and a code like P0456 displays. The diagnostic trouble code definition for P0456 is “Evaporative Emission System – Small Leak”, which is similar to P0457. The alternative is code P0455, which indicates larger leaks in the system.Nov 8, 2015 · Some 2012-2014 Focus vehicles may exhibit inaccurate fuel gauge indication and/or inaccurate distance to empty. The. vehicle may also exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0420, P1450, P0443, P0452, P0456, P0460 and/or P2196. Ford is not aware of any accidents, injuries or fires as a result of this condition. Affected vehicles include 2012-18 Ford Focus 2.0-liter GDI vehicles built at Michigan Assembly Plant prior to April 13, 2017 and 2.0-liter GTDI vehicles built prior to Feb. 2, 2018.1. Connect the scan tool to the Ford’s diagnostic port. Connect the scan tool to the Ford’s diagnostic port, located next to the steering column under the driver’s side of the dashboard. The port will have a small cover over it with the letters “DTC” embossed on the face of the cover. Pull that cover off to access the port.1. Check for a loose or damaged gas cap. A faulty gas cap can often trigger the P0456 code. Tighten the gas cap and clear the code. If the code returns, move to the next step. 2. Inspect the EVAP system for any visible signs of damage or leaks. Look for cracked hoses, loose connections, or damaged canisters.Aug 2, 2022 · p144a, p0456 are most often a faulty canister purge solenoid. You may or may not also experience hard starting after getting fuel from this purge solenoid. The p2195 is most often a failed mass air flow sensor. I would first change the purge solenopid and clear the codes out. If its running ok and not going into limp or low power you should be ... Dec 5, 2016 · This ghetto fix involves taking the funnel out of the car trunk, a WD40 bottle, clean rags, compressed air and ample light. Take the compressed air (30psi) and blow any debris visible or invisible from the cap less gas entry hole. Then insert the funnel into the hole. Ford focus code p0456. 2012 ford focus code p04562013 ford focus p0456 code common fix Ford workshop manuals > freestar v6-4.2l vin 2 (2004) > a l l diagnostic trouble codes ( dtcHow to fix ford p0457 engine code in 2 minutes [1 diy method / only $4.27]. 2012 ford focus s.e code: p0456 part 1P0732 2005 ford focus part 1 of 2 …I have a 2014 Ford Focus 5MT with a little over 40K miles. On my way home from work I noticed my check engine light came on, using the code reader I got back P0456 which is a small evap leak, I’v done some research on what I should do next but I wanted to see if anyone else had the same code and if you did what ended up being the issue/how ...Are you in the market for a used Ford F-150? If so, you’ve come to the right place. Finding the perfect used Ford F-150 at the best price can be a daunting task, but with a few tip...Common Causes of P0456 Code. There are several reasons why the P0456 code may appear, including: Damaged or loose gas cap: The gas cap seals the fuel system and maintains the correct pressure within the EVAP system. A loose, damaged, or missing gas cap can cause the P0456 code to appear. Damaged or cracked EVAP hoses: The …The first step in diagnosing the P1450 code is to check for any vacuum leaks in the fuel tank. This can be done by performing a vacuum test on the fuel tank. To perform this test, you will need a vacuum pump and a vacuum gauge. Start by disconnecting the vacuum hose from the fuel tank pressure sensor. Connect the vacuum pump to the …Ford is not aware of any accidents, injuries or fires as a result of this condition. Affected vehicles include 2012-18 Ford Focus 2.0-liter GDI vehicles built at Michigan Assembly Plant prior to April 13, 2017 and 2.0-liter GTDI vehicles built prior to Feb. 2, 2018.No special tools needed to diagnose this common problem on Ford vehicles. This video will guide you through a quick full proof way to check for a leaking pur...Help! (P0456 code) Jump to Latest ... Ford Focus ST Forum. 1.5M posts 70.1K members Since 2012 We’re the premiere Ford Focus ST forum with discussions on the 2013+ Focus ST. Join the community and see the latest news, photos, videos, classifieds, reviews, events and more! Show Less . Full ...Mar 8, 2018 · EVAP Pressure Range/Performance P0451. I've got a 09 SE and once I have 2 cold starts it throws a code p0451. For example, if I clear the code and then leave the car overnight, when I turn it on the computer runs a test which pressurizes the EVAP system. If it detects a problem twice it throws the appropriate code. The check engine light has come on. My OBD reader shows fault PO456. My code book shows "Evaporative Emission Control System Leak Detected (very small leak)". My car is a 2001 Focus ZX3 5 speed, Zeetec 16 valve engine, 145,000 miles. I live in northern rural Calif. & have owned this Focus since new.#1 · Dec 5, 2016. So the damn RS decided to throw a code at 13K miles of pinned driving. I scanned it and found P0456: Evap emissions leak, very small. Being a Ford guy I know …However the issue here is either the canister itself or the canisters vent. P1450 is that the tank will not bleed up. I would start with checking that the capless fuel filler isn't being prevented from closing completely. Then check the fuel tank itself for damage or deformation.A P1450 DTC is triggered when the PCM is running a system monitor and detects an excessive vacuum in your car’s fuel tank or Evaporative Emissions Control System (EVAP). Your car’s PCM ...What Does the P0456 Code Mean? The P0456 is a generic code stating that the Engine Control Module (ECM) detected a small leak from the evaporative system. …El código P0456 significa que hay una pequeña fuga en el sistema de emisiones evaporativas. El sistema EVAP es un sistema sellado que controla los vapores de combustible del tanque de gasolina, que reciclan los vapores de combustible a través del motor en lugar de dejarlos salir al medio ambiente. Síntomas del código de problema …P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is related to other codes, such as P0420, P0441, and very often P0440. P0456 is normally not an immediate threat to the driveability of your Expedition. Certainly, anytime the service engine soon light is on, it’s good to deal with ...

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That Ford Focus Code P0456 refers to a specific diagnostic trouble code that is related to the evaporative emission control system in Ford Focus vehicles. This code …163 posts · Joined 2014. #1 · Nov 10, 2015. Recently my cars check engine light came on reading the P0456 code for the "small leak in evap canister". I tried to ask questions on other threads but no one replied. I took my car to the dealership because I was under the impression it would be fixed under my emissions warranty.

How Apr 8, 2022 ... P1450 Ford Focus Check Engine Light Returns For Fuel Cap Filler Neck Replacement - How To. 11K views · 2 years ago ...more ...A leak in the fuel vapor hose leading from the fuel tank to the intake will throw P0442 in your Focus. Fuel Tank Pressure Sensor (If Equipped) If the fuel tank pressure sensor has gone bad, it can cause many problems, including the P0442 code. Not all vehicle’s have a fuel tank pressure sensor. You’ll need to verify if your Focus has one or ...The first step in diagnosing the P1450 code is to check for any vacuum leaks in the fuel tank. This can be done by performing a vacuum test on the fuel tank. To perform this test, you will need a vacuum pump and a vacuum gauge. Start by disconnecting the vacuum hose from the fuel tank pressure sensor. Connect the vacuum pump to the …No special tools needed to diagnose this common problem on Ford vehicles. This video will guide you through a quick full proof way to check for a leaking pur...

When Diagnostic trouble code (DTC) P0456 stands for “Evaporative Emission System (EVAP) Small Leak Detected.”. Your car’s computer will trigger this code when it thinks that there’s a minor leak somewhere in the evaporative emissions control (EVAP) system. Common causes of a P0456 code are faulty EVAP hoses, a leaking charcoal canister, or a ...Ford said Tuesday it will delay until 2022 plans to launch an autonomous vehicle service, as the COVID-19 pandemic has prompted the company to rethink its go-to-market strategy. Th...You can get the latest Canister Purge Valve Here- (Just be sure to pick your specific vehicle first)-http://www.amazon.com/gp/product/B0031B11GW/ref=as_li_tl...…

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i look to the hills which cometh my help Ford P0456 OBD-II Trouble Code Definition: P0456 EVAP System Small Leak P0456 Ford OBD-II Trouble CodeDescription: ... 2012 Ford Focus ST-R 2012 Ford Focus ST 2012 Ford Focus Electric 2012 Ford C-MAX: 2011 Ford … show to be false crosswordjudge mablean son The downstream sensor, commonly referred to as a "catalyst monitor" will generally set a code other than P0420 when it fails. To determine if the catalytic converter has failed, simply monitor the voltage of the downstream sensor. If the voltage is erratic, the CAT has failed. LauraLaw said: 2003 chevy silverado bulb chartdifficult pictionary wordshow old is emma rechenberg Hi dgross, I have some experience with diagnosing evaporative emissions issues on Ford vehicles. Usually a P1450 indicates the fuel tank pressure is reading that it is always under slight vacuum. This can happen for one of two reasons (usually). First and most common I find is the purge valve is leaking a little bit of vacuum to the fuel system ... 250 hospital parkway san jose california 2014 ford focus p1450 code Ford focus 2008 P1450 ford focus 2014. Codes p1450, and p144a and p0456, trouble starting. 2012 focus. Done nothing so far. Ford p1450 p0456 focus 586f 4cc1 I have a 2014 ford focus and a check engine light. odb-2 is returning a p144a Official: ford focus 1.0-liter ecoboost to only get manual … beacon jackson county iowamaury county inmate searchjackson tn mugshots today This is because the EVAP system is a closed system and only controls fuel tank vapors, not engine management. Causes Causes of the OBD-II code P0456. Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn’t properly tightened.