P0441 is an EVAP control system powertrain diagnostic trouble code. It is only set on vehicles that can 'monitor' if the 'purge flow' is correct or not. Most all with a few exceptions are equipped with either a Purge Flow Sensor or Leak Detection Pump. This code indicates the EVAP control system is not functioning correctly.Those codes have not come back on since and I believe it was p0455 etc. Then my transmission was replaced and 2 days after I got the 3 codes c0899, c0900(history) and p0430 pending and p0430 confirmed. ... 2012 Chevy Tahoe 5.3 when I pull up and get up to about 10 mph it pops out of gear and when the rpms go back down it will go back into gear ...Labor: 1.0. The cost to diagnose the C0242 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.2004-2006 Tahoe. Has anyone had a 'Tighten Fuel Cap' message that ends up creating a P0455 DTC, and tightening or replacing the cap does not correct the problem? Did you find your EVAP leak? So far I have replaced the Fuel Cap, vapor canister vent valve solenoid and attached hose, and vapor canister purge valve solenoid.The P0445 code indicates that the engine control module recognized a short circuit to the purge control valve. The Purge Control Valve is also called the EVAP valve, and it regulates the fuel vapors between the engine and the fuel tank. The purge control valve is often just a solenoid with two wires, 12v+ and ground.Chevy code p0455 on 2007 tahoe. 0 votes . 644 views. asked Aug 27, 2017 by Carol. Replaced fuel pump,gascap and purge valve code still coming on at about half tank of gas. Vehicle: 2007 Chevrolet tahoe p0455; code; check-engine-light-on 1 Answer. 0 votes . answered ...Part 1 - Video series on replacing the valve lifters and head gaskets on a 2007 - 2020 Chevy Tahoe with the 5.3 engine. To view the full video, you must be a member ... 2007-2020 Chevy Tahoe Valve Lifters And Head Gaskets Replacement. 2007-2014 Chevy Tahoe P0455 EVAP System Large Leak Detected. 2002-2008 Chevy Tahoe Oil Pressure Switch ...Ive had my 05 tahoe for a while now. but it seems like within the past 3 weeks Ive been having issues with it. it started throwing codes a few weeks ago. first time it was a p0442. guy at autozone said to tighten the gas cap. which i did (although when i fill i always tighten till it clicks about 3-5 times.) but he cleared the code and it was ...Trouble code P0455 is related to: 1. A loose or improperly affixed gas cap 2. A non-conforming gas cap (i.e. not factory/original brand) 3. Other leak or damaged component in EVAP system With a P0455, the most common repair is to: Remove and reinstall the gas cap, clear the codes, and drive your Tahoe for 100-200 miles and see if the trouble ...Correctly diagnosing P0446 code on Chevrolet and GM cars and trucksAnswered in 4 minutes by: Chevy Mechanic: 1. Perform a Throttle Learn. 2. Start and idle the engine in park for 3 minutes. 5. Ignition off for 60 seconds.Get ratings and reviews for the top 12 foundation companies in Chevy Chase, MD. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All Projects Featured Content Media Find a Pro About Please ent...Code P0496. Engine light comes on. Video shows of a replacement of a purge valve solenoid on a 2007 tahoe. Please support and subscribe! Thanks! HOW-TO-STEP...This video is about how to fix the check engine light code P0499 that comes on because of the Evap canister. I use Dorman Part 911-239 in this video. Purchas...Dec 28, 2010 · 749 Answers. There may be an emissions leak but a very common issue is the canister vent valve. Make sure if you contact your local dealership that you have your vehicles vin number available. P0449 - Evaporative Emission (EVAP) Vent Solenoid Control Circuit. P0455 - Evaporative Emission (EVAP) System Leak Detected. It’s official: a fully electric Chevy Corvette is coming — with new battery technology to boost its range, acceleration and efficiency. When it arrives, the battery-electric sports car will benefit from a new energy-recovery feature GM anno...engine code p0455 chevy tahoe 2012-01-12 1/6 engine code p0455 chevy tahoe INTRODUCTION engine code p0455 chevy tahoe [PDF] chevy tahoe p0455 evap system large leak detected diagnosis 2007 2014 chevy tahoe 5 3 p0455 evap system large leak p0420 p0455 how to fix tahoe forum chevy tahoe forum service bulletin bulletin no 21 na 124 date may 2021 ...Come along with Eric O. and have a look at this 2008 Pontiac Torrent 3.4 with a "P0455 Large / Gross EVAP Leak." Now this a very common problem and is often ...Oct 22, 2019 · Hello--Have a 04 Chevy Monte Carlo, Ck Engine Light came on, the P0455 code was diagnosed. Chevy dealer installed a new gas cap, and replaced evap vent solenoid, did smoke test. ($400.00)... 2000 - 2006 Tahoe/Yukon/Escalade Models. Engine & Drivetrain . Solution to Reduced Engine Power Message and p1516. Look Here. Thread starter mdmcinti; Start date Aug 6, 2020; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. ...The P0442 trouble code is related to the Evaporative (EVAP) Emission Control System. The Evaporative Emission Control System restrains fuel vapors from escaping into the atmosphere by enclosing the fuel system of the vehicle. P0430 Code 🚗 Meaning, Causes, Symptoms, and Fixes. There could be many causes behind this code.Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine. A code p0455 most likely means one or more of the following has happened: - A loose or improperly affixed gas cap.Save 931K views 9 years ago This is the quick and easy way to clear the P0449 and p0455 codes on a Chevy Silverado. Process is similar for all Silverados. ...more ...more Simple Checks For...Popular Engine Codes p0420 code p0172 code p00171 code p0128 code p0300 code p0456 code p0430 code p0442 code p0455 code p0113 code. Fixed It But The Check Engine Light Is Still On? Check engine light sometimes need to be reset manually, check out our article: ... Chevrolet Suburban vs. Chevrolet Tahoe | 2023 Comparison + The Best Model Year ...P0496 code in the Chevy Tahoe will often be accompanied by an erratic idle. The engine will rev up and down trying to find the proper idle speed. This will often happen right after you buy gas. It also might not start at all at the gas station. If you're old enough to have driven a carbureted vehicle the old stomp the gas and crank the engine ...2006 Tahoe LT. Getting a p0455 p0449 and p0442. Replaced the gas cap and canister vent solenoid. Inspected hoses. Checked 4WS fuse. Still trouble code. ... I have a 2000 Chevy Tahoe,with the check engine light and a diagnostic code of P0442.ChristianH1123. CEO/Lead Technician. Associates of Applied Scien... 2,513 satisfied customers. Check engine light is on code P0455 and P0327 is on after. Check engine light is on code P0455 and P0327 is on after replacing knock sensors on a Chevy express 2500 4.8L … read more.If you’re looking into buying a dependable new or used truck, you’ve likely come across the 2020 Chevy Silverado in your search. The Silverado is consistently one of the most popular pickup trucks in the country, second only to Ford’s iconi...2005 Chevy cavalier diagnostic code p0455 evaporative emissions leak. What needs to be fixed or where should i look - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... 2005 chevy tahoe: hey..the codes P0332,P0430,P0455 can u help me.Hello--Have a 04 Chevy Monte Carlo, Ck Engine Light came on, the P0455 code was diagnosed. Chevy dealer installed a new gas cap, and replaced evap vent solenoid, did smoke test. ($400.00)...What is the Cost to Diagnose the Code P0053 Chevrolet? Labor: 1.0. The cost to diagnose the P0053 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Nov 14, 2018 · Chevrolet Tahoe 4x4: i have a 2009 chevy Tahoe 5.3 v8 recently i have a 2009 chevy Tahoe 5.3 v8 recently the code 449 came up for emissions i ordered the entire kit front solenoid and the complete canister with vent replaced everything and thought it was ok but w … JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. Code c0455, C0455 and yes and have replaced the steering wheel sensor, Trailblazer 2006, Yes and I have replaced the - Answered by a verified Chevy Mechanic.Duralast Canister Purge Valve: https://www.autozone.com/engine-management/canister-purge-valve/duralast-canister-purge-valve-pv424/99598_0_12209?&searchText=...When planning a trip to the picturesque Lake Tahoe, one of the first decisions you’ll need to make is where to stay. While hotels have long been the traditional choice for travelers, vacation rentals have gained popularity in recent years.This article applies to the Chevrolet Silverado 1500 (1999-2006). The drive-by-wire (DBW) system uses sensors to determine how much force is being used to depress the gas pedal so it can easily open and close the throttle body, thereby impacting how fast the truck is traveling.2024 Chevy Blazer EV RS RWD Gets Higher Capacity BatteryOctober 9, 2023 No. 1 NASCAR Chevy Wins Xfinity Roval 2023: Video October 9, 2023 2025 Cadillac Escalade-V ESV Spied Rolling On 24-Inch ...2002 Chevy Tahoe 5.3LRandom Multiple Misfire code P0300.Number 1 plug wire arcing outside the cylinder intermittently.P0455. 2007. I am just researching right now. Engine has been - Answered by a verified Chevy Mechanic. ... 2008 Chevy Tahoe - throwing Errors (Autel AL619) P0442,P0455,P0496,p0442. Replaced the fuel cap and still recurred. Replaced the Purge solenoid (MX136200-3000) ...YES! Your description is EXACTLY what my Tahoe has been doing the past 2 months. Whenever I sit in idle for too long (@ the bank, line at McDs etc) the check engine comes on sometime that day. I have 95,400 miles on my 2015 LTZ and and extended warranty. Taking the kiddos to school/daycare and then to the office.A vehicle's EVAP system is extremely complex and varies in design between all makes and models. Therefore, it is best to seek the expertise of a professional mechanic who can properly diagnose ...Hello--Have a 04 Chevy Monte Carlo, Ck Engine Light came on, the P0455 code was diagnosed. Chevy dealer installed a new gas cap, and replaced evap vent solenoid, did smoke test. ($400.00)...06 Chevy Impala P0011, P0121, P0449, P0455, P1516, P2101, P2143, and C0700 I have the codes P0011, P0121, P0449, P0455, P1516, P2101, P2143, and C0700. It often says engine power reduced and service traction control. It also has troubles shifting gears when these pop up. I was just wondering if anyone else has dealt with this, and do you think ...In this video we should you what we think is the quickest and easiest way to diagnose a basic Purge/Seal EVAP system. Time is money and this is what we think...P0455. 2007. I am just researching right now. Engine has been - Answered by a verified Chevy Mechanic. ... 2008 Chevy Tahoe - throwing Errors (Autel AL619) P0442,P0455,P0496,p0442. Replaced the fuel cap and still recurred. Replaced the Purge solenoid (MX136200-3000) ...Answered in 4 minutes by: Chevy Mechanic: 1. Perform a Throttle Learn. 2. Start and idle the engine in park for 3 minutes. 5. Ignition off for 60 seconds.JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. Got a 2015 Chevy Tahoe. The car had codes P0455 and P15F6. So, I replaced the EVAP Vent Assembly. The codes returned, - Answered by a verified Chevy Mechanic.2007 gmc sierra with a 5.3l, check engine light on with a p0455 evap gross leak trouble code stored, this video shows how to identify and locate an evap syst...Horrible quality , but I promised I would at least lookRASMATAZ. CERTIFIED MECHANIC. Try erasing it with a scantool-go to Autozone and have them do it for free-if it continues to pop the code- P0455 - Evaporative Emission Control System Leak Detected (gross leak) SPONSORED LINKS. Was this. answer.fault codes P1682 & P0689 - resolved. Hello. i have a chevrolet malibu 2010 3.5 V6 ( LZE engine ) and started to get very confusing problem. minute of driving when i get stopped for parking i received ENG POWER REDUCED and all following message like ESC & Traction message. and engine start to work like on 3 cylinder instead of 6. i shutted it ...P0455 chevy tahoe 2007. New fuel pump new purge valve and. No I replace the fuel pump because the level sensor went bad so I replace the whole unit ... i have a 2007 chevy tahoe, 5.3 v8, the fuel gauge is now reading empty (with a half-full tank), the check engine light is on.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code CHEVROLET P0452 Saving Re...Lead Tech/ Shop Leader. Vocational, Technical or Tra... 3,392 satisfied customers. Po455..2007 silverado..have replaced gas cap and reset light but it. po449 and po455 codes on 2007 silverado. have replaced gas cap and reset light but it still comes on. please help … read more.Code B1440 Information for Specific Makes. B1440 Buick Power Mode Master Input Circuits Mismatch. B1440 Cadillac Power Mode Master Input Circuits Mismatch. B1440 Chevrolet Power Mode Master Input Circuits Mismatch. B1440 GMC Power Mode Master Input Circuits Mismatch. B1440 Pontiac Power Mode Master Input Circuits Mismatch.A code P0300 may mean that one or more of the following has happened: Faulty spark plugs or wires. Faulty coil (pack) Faulty oxygen sensor (s) Faulty fuel injector (s) Burned exhaust valve. Faulty catalytic converter (s) Stuck/blocked EGR valve / passages. Faulty camshaft position sensor.If you own a Chevy Tahoe, you may have experienced the P0455 code. This code indicates that there is a large leak in the evaporative emission control system. The most common cause of this problem is a faulty or damaged gas cap. Other causes can include a loose or missing fuel filler cap, a faulty vapor canister, or a hole in the EVAP system hoses.Apr 19, 2023 · Leading the way as the best examples of the Chevrolet Tahoe are the 2016-2020 model years, followed by Tahoes from 2006, 2011, and 2013. That said, it’s best to stay away from the 2015 and 2021 Tahoe. In addition, avoiding the model years from 2001-2005, 2007-2010, 2012, and 2014 is also wise. David Goldberg. El código de falla P0455 en un vehículo Chevy Tahoe, se refiere a un escape de gasolina del sistema evaporativo excesivo. Esto significa que el sistema está detectando que hay …Aug 11, 2018 · When there is a large leak in the Chevy Suburban’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Suburban has a small EVAP leak. While the trouble code may state that there is a “large leak ... 2. 3. Motor City Rick · #2 · Oct 6, 2017. The most common cause is the vent valve solenoid is stuck in the "closed" position. This is the solenoid behind the gas tank (see diagrams) with the wires attached. …replaced battery in 2005 Tahoe. Display saying replace liftgate fuse. New fuse causes engine noise in one speaker. Rear blower quit after replacing batt but will come on when engine noise is present.Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/240/N/evap-emission-control-system-partsDid a scan of your check engine light give you the code P0496 ...Aug 6, 2020 · Sorry to bring this thread up back from the dead, but this ground solution I shared was not the cause of my reduced engine power problem. It worked for a while, but it eventually came back, especially as it got colder at night during the fall. Labor: 1.0. The cost to diagnose the P2135 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P2135 Chevrolet Questions and Answers: Search ...P0455 chevy tahoe 2007. New fuel pump new purge valve and. ... I have a 2005 Chevy Tahoe,,check engine light is on..had it checked they said that it was an evap leak and I needed a new valve. what should be the cost of the valve and how to replace it. ...Discover videos related to P0455 Chevy on TikTok. See more videos about . 37.4K. ... Okay, we moved on to Chevy Tahoe. Now we got EVAP problem, a large leak. Customer also states he's having trouble pumping gas. It's a little bit helpful. So looking in the freeze frame, we here we see we have a P 0 one 28, an emissions code along with the EVAP ...HOW TO FIX CODES P0351 P0352 P0353 P0354 P0355 P0356 P0357 P0358 IGNITION COIL PROBLEMProducts used in the video: DiagLink OBD Scanner: http://amzn.to/2hPUb...I put the scan tool on (Innova 3160) on and there are 3 P0455 codes there. Evap gross leak. I can't get a new cap tonight, so I cleaned her cap and cleared the codes. This is where the trouble unfolds. Tool reports codes cleared successfully and then begins re-linking. Once it finishes relinking, a new P0455 appears.Codes P0300,P0351,P0353 & P0455. Smoke. 2003 express 6.0. Codes P0300,P0351,P0353 & P0455. ... Chevrolet Tahoe LTZ: I have a 2007 Tahoe with a 5.3 it has. I have a 2007 Tahoe with a 5.3 it has three codes p0171 p0174 p0446 I have already replaced the evap canister valve purge solenoid fuel tank pressure switch ...When there is a large leak in the Chevy Suburban’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your Suburban has a small EVAP leak. While the trouble code may state that there is a “large leak ...Dec 7, 2012 · A P0455 leak is a common EVAP code, since any defect in the EVAP system can set it off, aside from internal diaphragm leaks in any EVAP-related solenoids. On a GM, for example, a P0455 can be set by a vent solenoid, fuel tank pressure (FTP) sensor, the charcoal canister, vapor lines, hose connections, filler neck, the fuel tank itself ... 2018-08-10 5/9 engine code p0455 chevy tahoe p0455 code evaporative emission control system large leak Jan 18 2023 aug 6 2023 p0455 code evaporative emission control system large leak detected you may have a gas cap issue if you have code2014-03-09 4/8 engine code p0455 chevy tahoe p0455 trouble code diagnosis causes symptoms how to autozone Aug 28 2023 any large leak in your evaporative emission control system or evap system can signal trouble code p0455 you may be wondering howSOURCE: 2006 5.3ltr chevy silverado z71 p0455 andp0449 These codes are for the evaporative emission system.The 455 is the vent solenoid.The 455 is a large leak in the evap.system.The vent solenoid I would replace because they go bad and will not work because they are under the vehicle in the rear of the truck.There is a bulletin for these and the vent valve is installed in another spot.The ...Information for the truck: 1996 chevy Tahoe LT with 5.7l vortec and 4l60e tranny. 197,280 miles. Bone stock engine ran only highway miles until I got it at 193,500 miles since then mainly city miles. Recently the truck has been running rough, has poor acceleration/power and sounds like it it missing.Leading the way as the best examples of the Chevrolet Tahoe are the 2016-2020 model years, followed by Tahoes from 2006, 2011, and 2013. That said, it's best to stay away from the 2015 and 2021 Tahoe. In addition, avoiding the model years from 2001-2005, 2007-2010, 2012, and 2014 is also wise. David Goldberg.As far as the p0455 it is an evap leak code, meaning it will not affect how the truck runs, but there is an issue with the system that handles the vapors from the fuel in the tank. It is an airtight system and the computer has enhanced sensors to monitor the system for integrity, or leaks.My 2011 Chevy Suburban engine light on. Code P0455. Have taken to various shops and none can figure out problem. ... i have a 2009 chevy Tahoe 5.3 v8 recently the code 449 came up for emissions i ordered the entire kit front solenoid and the complete canister with vent replaced everything and thought it was ok but w ...2005 chevy 1500 silverado eng. light on ran code p0455 and p0449 how to fix the problem. and how much work it takes. thanks STEVE. P0449 is the evap vent valve solenoid circuit malfuntion. P0455 is an evap gross leakcode p0455 repairpal p0455 code chevy for evap system small leak detected 2008 chevy tahoe code p0455 obd codes com chevy purge solenoid fix p0445 youtube chevrolet tahoe 4x4 i have a 07 tahoe getting the p0455 find a chevy tahoe near me vehicle locator chevrolet.SOURCE: 2006 5.3ltr chevy silverado z71 p0455 andp0449 These codes are for the evaporative emission system.The 455 is the vent solenoid.The 455 is a large leak in the evap.system.The vent solenoid I would replace because they go bad and will not work because they are under the vehicle in the rear of the truck.There is a bulletin for these and the vent valve is installed in another spot.The ...Getting codes p0171, o0442, p0455. I need diagram for evap system. says to replace vent valve, but I think there is - Answered by a verified Chevy Mechanic. ... 2008 Chevy Tahoe - throwing Errors (Autel AL619) P0442,P0455,P0496,p0442. Replaced the fuel cap and still recurred.I have a 2008 chevy Tahoe 5.3 liter and the check engine light is on when i scanned i have codes P0121, p0455 & p0573. i - Answered by a verified Chevy Mechanic ... p0455 & p0573. i clear the codes and drive for a while they all come back together. the vehicle seems to run fine. Show More. Show Less. Ask Your Own Chevy Question.There are two very common, very easy fixes to solve a P0442 Engine Code: Changing the Canister Vent Solenoid and changing the Purge Valve Solenoid. In this...Scanned my truck to find this code P0455 said it means large evac leak. I checked the gas cap for tight fit. I cleared - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... O7.chevy Tahoe nbs. Code p0455. Need to diag. Also any. O7.chevy Tahoe nbs. Code p0455.Find parts at https://apdty.com/00:00 - Intro00:44 - Remove Purge Solenoid02:29 - Install New Purge Solenoid03:22 - Clear Lines40.9K subscribers. 605. 46K views 3 years ago #chevy. Here is how I replaced my EVAP purge solenoid valve after getting a P0445 (and tighten fuel cap) OBD-II error code on my …Ive had my 05 tahoe for a while now. but it seems like within the past 3 weeks Ive been having issues with it. it started throwing codes a few weeks ago. first time it was a p0442. guy at autozone said to tighten the gas cap. which i did (although when i fill i always tighten till it clicks about 3-5 times.) but he cleared the code and it was ...Posibles soluciones del código DTC P0455 Genérico. Para solucionar el código DTC P0455 puedes revisar los siguientes componentes: Retirar y revisar la tapa del combustible, y en caso de que se encuentre defectuosa, reemplazarla. Comprobar que en el Sistema (EVAP) no haya obstrucciones o alguna manguera, tubo roto o abrazadera, y ...P0523 and 0 psi oil pressure FIX!! I got the P0523 code and 0 psi oil pressure. Some people could also get P0521. After reading up on what it could be, seems this is a fairly common issue with NNBS vehicles. Turns out the Oil Pressure sender or sensor and the little filter beneath it are the culprits. After a bunch of research (and being quoted ...Chevrolet Tahoe P0456 Causes. There are many potential causes of code P0456. Loose or damaged gas cap. Leaking or disconnected EVAP hose. Faulty purge volume control valve. Faulty canister vent control valve. Charcoal canister leak. Leaking fuel tank. P0456 is not one of the top 5 trouble codes for the Chevrolet Tahoe but, it is still a common one.EVAP Failure Symptoms. Engine code P0449, P0440, P0441, P0446. Poor idling. Out of sp, Fixing a P0455 can cost anywhere between $20 - $250 to replace an E, P0455 CHEVROLET Description This diagnosis detects leaks in the Evaporative Emissi, What Does the P0004 Code Mean? Diagnostic trouble code (DTC) P0004 code stands for "Fuel, Step 2 - Text the coil pack. Since the coil pack is what transmits current , SOURCE: 2006 5.3ltr chevy silverado z71 p0455 andp0449 These codes are for the evaporative emission sys, SOURCE: 2006 5.3ltr chevy silverado z71 p0455 andp0449 Th, Chevy code p0455 on 2007 tahoe. 0 votes . 644 views. asked Aug 27, 2, As my luck works, I have to get my 06 Tahoe 5.3 L59 insp, Hey, Just thought I'd share my experience with a recent issue I , The exact repair method may vary according to the , =====Claim your FREE engine code eraser 👉 https://fre, P0455 CHEVROLET Description This diagnosis detects leaks in the E, Help support the channel and become a patron.https:, The P0455 OBD-II code means the engine computer has detec, 2005 chevy: check engine light..following codes p04, Part 1 - Video series on replacing the valve lifters and head gask, The P0442 trouble code is related to the Evaporativ.