P0404 Duramax

P0404 Chevrolet Description. When you install a tuned exhaust system, your car, truck, or SUV feels faster and more responsive. Circuit Description. Remove Vacuum Line. Cleans all the main engine components without the need to dismantle:fuel injectors, EGR valve, turbocharger, DPF, etc. Usually this means your catalytic converter needs to be replaced or there is a problem with your O2 (oxygen) sensors. 1 Outline This manual describes the Common Rail System (CRS) equipped with the 4HK1 and 4JJ1 engines used in. What Does P0402 Code Mean? OBD-II Code P0402 is defined as a Excessive EGR Flow. However, the transition from the definition "IAT [Intake Air Temperature] - B Circuit Malfunction / Exhaust Gas Recirculation Closed Position Performance", to the definition most commonly used by many manufacturers for OBD II code P1404 today, "EGR Valve Closed Position Performance", has NOT been smooth and/or uniform across all. , you may feel like you've wasted your money on a performance part that didn't improve performance. 0404 is open performance meaning that it doesnt think it can open the valve (or open it far enough). The pressure in the intake manifold increases when the EGR valve is open. Duramax First Generation: 2001-2004 (LB7) Discuss the first generation (2001-2004 LB7) of the 6. The "Malfunction Indicator Lamp" (or MIL ) comes on to warn you when the Onboard Diagnostic System (OBD II) detects a problem that cold cause your vehicle's emissions to exceed 1. The EGR (or Exhaust Gas Recirculation) valve plays an important role in keeping emissions to a minimum and ensuring that your vehicle does not pollute the atmosphere. DIAGNOSTIC TROUBLE CODE (DTC) - P0562 SYSTEM VOLTAGE (ENGINE SIDE) TOO LOW Know your Circuit. Diesel Duramax Active Topics - Topics that are currently being discussed in the Forums. would that cause the white smoke? EGR related, rip that crap off and have a tuner shut it all down. Just got near work and noticed a loss of power and a feeling like the traction control had kicked in. 6L Duramax LB7 / Page 2 2001 - 2004 6. Hello, Hopefully someone on here can help me out, I have a 1998 GMC Sierra Extended Cab 4x4 Automatic with a 5. Jun 30, 2018 · 2019 Chevy 3500 Z71 Duramax 0 60 is probably the most popular thing mentioned by more and more people online. No obvious symptoms or problems, truck seems to be running and starting fine. This browser version is not supported. LB7 powered (through 2004 Duramax) Chevys and GMCs all suffer from injector failure at some point in their service life. Car (or truck or mini-van) seems to run ok above 30 miles and hour but once you come to an idle, the engine barely stays running. White smoke is usually a sign of coolant making its way into the engine. where is the fuel pump fuse or relay on 2005 duramax diesel What is Code P0404 EGR position sensor performance in 2005 Dodge Ram? It means that the egr valve has failed. We carry stock replacement to High Performance Borgwarner S400. Four banger 2. 5 - 2005 GM 6. the dtc is p0404, egr stuck open. 5 times the legal limit. Remove Vacuum Line. Tips on performance, fuel economy, troubleshooting and mo. 0L 2003-2005 Excursion and 6. What is code P0670 on my chevy duramax 2005 When im driving or sitting in park and step on the gas hard the truck will miss and then shut down. 6L LBZ Duramax Diesel 2007 - 2010 GM 6. 5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving. Computers & Internet. ALLISON AT Troubleshooting, Diagnostic Help! The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. The truck had a noticeable misfire when I picked it up. No other issues. Here is a list of Chevy Duramax diagnostic codes to help you in figuring out what is wrong with your vehicle. Welcome to our listing page for Generic Check Engine Light Codes. If the EGR system really did have a vacuum leak, wouldn't the EGR be stuck closed? And that wouldn't be excessive flow at allit would be no flow. GM recognized this issue and actually had to extend the warranty to 7-years/200k miles. Description of the standard trouble OBD codes by family. Dec 10, 2015 · Chevy/GM Duramax Diagnostic Trouble Codes (DTC) Diagnostic trouble codes (or fault codes) are codes that are stored by the on-board computer diagnostic system. The final part in this series will cover the 6. PCV) system. while doing this, give both ends of the egr a good soak in some sort of carbon cleaner. Find the right scan tool you need. Engine related discussion ONLY. Do you want a bulletproof 6. The Exhaust Gas Recirculation (EGR) system’s purpose is to redirect exhaust gas back into the cylinders. Learning how to test an EGR valve will save you time, money and some headaches. i replaced egr valve on 04 duramax but keep geting p0404 code is there some elec sensor to replace? posted by. Chevy/GM Duramax Diagnostic Trouble Codes (DTC) Diagnostic trouble codes (or fault codes) are codes that are stored by the on-board computer diagnostic system. If you clean your EGR valve and it seems to get clogged sooner, have your mechanic run a diagnostic. 2007 wk crd p0404 and limp mode 2: tcbrady: 44232: BC-X: Tranny dumps out of OD during low RPM - 2005 Liberty CRD Sport 3 lanthony2020: 26257: GreenDieselEngineering. The EGR system redirects a small amount of exhaust gases back into the intake. Including but not limited to: Ford Powerstroke, Dodge Cummins, GM Duramax, Saab, Volkswagen, and Audi. Code P0401: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected. Help? - Ok so my dealer or any other dealer would need my truck for a couple days and i cant do without at the current time. Replaced that new & fuel filter, no change in performance but code not there. Sep 01, 2004 · Four banger 2. Jun 30, 2018 · 2019 Chevy 3500 Z71 Duramax 0 60 is probably the most popular thing mentioned by more and more people online. Use transmission grease for the O-ring on the oil return line so you don't tear it while placing it in and turn it on with an oily surprise waiting for you( Brake cleaner and compressed air cleans the valley, but cover holes), only to take it back apart just to. 9 Volts DC: So far so good, since this is the normal reading and confirms that the EGR pintle is not stuck open. Jan 19, 2014 · Egr valve removal code p0404 and code p0401 fixed - 2007 Acura Mdx emissions Code p0404 & code p0401 fixed egr removal instructions and results. 6L Duramax diesel engine & associated components. These are stored in response to a problem found in the truck by the system. Cuando la enciendo a los pocos segundos activan los electeventiladores en su velocidad máxima, adicional cuando voy en marcha y le exijo por encima a 2000 rpm empieza a botar humo negro intenso, la salida de escape permanente esta llena de hollín. I replaced the EGR valve. The use of pin point test KA on 2004. P0405 - EGR Sensor A Circuit Low. According to Lind, there are common issues with the engine becoming starved for fuel. This browser version is not supported. Love the power. I put this in my F250 manufactured stamp datw of Dec '03, sold as an '04, was to unsure, but installed it myself and fits mint. And even getting them on the machine at the local shop is I think $120. The next step is to see if the pintle position sensor produces the correct voltage while the EGR valve is in action. Scan your codes and follow the chart to determine what the code means. Then replaced EGR, plugs/wires (rough idle), still get code. I took a lot of time to write the add and take all the pictures so please make sure you have read the add carefully and looked at all the pictures before you contact me, thank you. Background. PDTCs are very much like regular diagnostic trouble codes (DTC) but they cannot be resetby disconnecting the vehicle's battery or cleared by using an OBD scan tool. Rough idle. Help please duramax gurus. Scanner showed P0307 Cyl #7 Misfire and P0404 EGR Valve codes set in the computer. I put this in my F250 manufactured stamp datw of Dec '03, sold as an '04, was to unsure, but installed it myself and fits mint. 2005 lly. Engine , Transmission, Etc. 6L Duramax LB7 Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low. DieselPlace. Then replaced EGR, plugs/wires (rough idle), still get code. 0 Answers 2012 Dodge Avenger. This list of faults, also called DTC (for Data Trouble Code) has been defined so that any diagnostic device can read and decode them. Home / Engines / 2001 - 2004 6. First tried cleaning everything up (EGR valve, tube, new gaskets), but code remained. Easily find our product install videos and instructions for various Dorman Products. These are stored in response to a problem found in the truck by the system. The EGR system accomplishes this by feeding small amounts of exhaust gas back into the combustion chamber. Learn what does P0404 Chevrolet Exhaust Gas Recirculation Open Position Performance means, location and how to repair? An Exhaust Gas Recirculation (EGR) system is used in order to lower Oxides of Nitrogen (NOx) emission levels. where is the fuel pump fuse or relay on 2005 duramax diesel What is Code P0404 EGR position sensor performance in 2005 Dodge Ram? It means that the egr valve has failed. Home / Engines / 2001 - 2004 6. Standard or generic fault codes are a list of codes common to all manufacturers. Whether you are looking to tow or race, we have what you need to make your truck perform. Scanner showed P0307 Cyl #7 Misfire and P0404 EGR Valve codes set in the computer. Request Access If you have an O'Reilly Auto Parts account number or wish to sign up for First Call Online we can assist you. I'm in a bind because I'm supposed to leave for Tahoe tomorrow morning (I live in the Bay Area). The Biggest Problems With Power Stroke 6. 0 Powerstroke? Diesel Power Products carries a variety of products to fix the most common problems associated with the issues surrounding the 03-07 6. Call us at 1-866-737-4966 with any questions you may have about your diesel. The last diesel I worked on stood about 7 feet tall, started with 400 psi air and provided emergency power to a submarine. Including but not limited to: Ford Powerstroke, Dodge Cummins, GM Duramax, Saab, Volkswagen, and Audi. White smoke is usually a sign of coolant making its way into the engine. 0 hour of labor. Engine , Transmission, Etc. Repair Information for P0404 Chevrolet code. This week its in limp mode again but this time its throwing codes related to the EGR p0404 primarily. 4L Powerstroke Diesel EGR Valve Housing, Ford part number 8C3Z9E461A. May 16, 2013 · Get the BEST auto repair information Alldatadiy. All cars made in 1996 and after are equipped with an OBDII interface. The Exhaust Gas Recirculation (EGR) system's purpose is to reduce NOx emissions that contribute to air pollution. PDTCs are very much like regular diagnostic trouble codes (DTC) but they cannot be resetby disconnecting the vehicle's battery or cleared by using an OBD scan tool. To properly diagnose the turbocharger the technician (if he can even been called one) needs to run the VVT test using IDS. If you clean your EGR valve and it seems to get clogged sooner, have your mechanic run a diagnostic. 3L International or IDI owners are also welcome. 0L Powerstroke engines. Below are common check engine light trouble codes for the Chevy/GM Duramax diesel. P0401 Exhaust Gas Recirculation Flow Insufficient Detected troubleshooting and solution P0401 Exhaust Gas Recirculation Flow Insufficient Detected - EricTheCarGuy- Stay Dirty! EGR stands for Exhaust Gas Recirculation and it does pretty much it's namesake by rerouting a prescribed amount of exhaust gas back into the intake to be drawn into the. 0 Powerstroke? Diesel Power Products carries a variety of products to fix the most common problems associated with the issues surrounding the 03-07 6. would that cause the white smoke? EGR related, rip that crap off and have a tuner shut it all down. Usually this means your catalytic converter needs to be replaced or there is a problem with your O2 (oxygen) sensors. also check the wireing connector and wire to valve. The p0670 code is the only one that comes over my scan tool. The pressure in the intake manifold increases when the EGR valve is open. This diagnostic tests for an EGR valve that is stuck open. 1 Outline This manual describes the Common Rail System (CRS) equipped with the 4HK1 and 4JJ1 engines used in. even when the engine light is on when it's throwing this code, it pulls fine and still runs cold. On scan tool when connector is plugged into sensor. Cart is empty. Diesel Duramax Photo Gallery - Pictures posted by the DieselPlace. 6L Duramax LB7 Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low. Detailed Vehicle Recall Notices and Technical Service Bulletins (TSBs) from ALLDATAdiy. Trouble codes P0404, P0405 and P1404. Remove Vacuum Line. flint, 6cd, back up sensors, rear slider, camper pkg, big mirrors w/ heated/pwr glass, 120k Sold 04/04 F350 Crew Cab long bed 6. May 19, 2014 · P0404 code diesel duramax - Cars & Trucks. Gently, remove the rubber vacuum line that connects to your EGR valve. There are a lot of different performance tuners on the market today, some work great and some of them are absolutely worthless. Your engine may need a more thorough tune-up to be creating so much carbon so quickly. EGR because there are no accompanying codes (P0401 or P0404). What Is the EGR Valve? Without your EGR valve, the gas from your exhaust would be much more plentiful. Exhaust Gas Recirculation Circuit Range/Performance. Trouble Codes Turn On Your Check Engine Light. This is an all inclusive list intended to help you get not only a code definition, but also some information on what could cause these codes and what can be done to repair the related faults. May 31, 2018 · Code P0401: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected. " A new EGR valve. However, much like the engine itself, the automatic transmission has been significantly upgraded, including electronic monitoring and controls for every aspect of upshifting and downshifting. You may have to register before you can post: click the register link above to proceed. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). P0700 & P1779. Cleaning the wires VERY carefully (Q-Tip and alcohol, if you can reach it) can solve that problem. 0L 2003-2005 Excursion and 6. but it was something Code P0404 - Chevy and GMC Duramax Diesel Forum. 95 chev Lumina w/170k. i replaced egr valve on 04 duramax but keep geting p0404 code is there some elec sensor to replace? posted by. When you install a tuned exhaust system, your car, truck, or SUV feels faster and more responsive. How risky is it to drive with a faulty EGR valve for a few days (2010 Prius)? My check engine light went on yesterday and today the mechanic indicated that EGR valve needs to be replaced. but wow its ridicuous how loud it is, and its bugging the hel out of me. DieselPlace. DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance. What does this P0401 diagnostic trouble code mean anyway? The correct definition for this diagnostic trouble code P0401 is "Insufficient EGR Flow Detected". Diesel Duramax Active Topics - Topics that are currently being discussed in the Forums. This is an all inclusive list intended to help you get not only a code definition, but also some information on what could cause these codes and what can be done to repair the related faults. 5-2010 LLY LBZ LMM Duramax (0) Reviews: Write first review Description: 2004. 3 won't pass inspection with a P0404 code. There are numerous pattern failures and the engine has undergone major changes since its' first introduction in 2000 to correct them. From 2001 to 2011, the Duramax engine has had a similar configuration, and with that, similar issues. Tranny slipped into neutral RPMs very high. Ford Diesel Diagnostics a more conventional Garrett VGT turbo similar to those used on the 6. I have a 2005 Pony Express Motorhome on a C5500 Kodiak chassis with a 6. The truck had a noticeable misfire when I picked it up. Took it to my mechanic and he put it on the computer and it indicated the EGR valve is bad. 5-05 LLY, Not LMM) to expected levels when the EGR is blocked off, modified or a big free flowing exhaust system (removing the cat) causes the ECM to set an EGR code. Description or check engine light code P0101 or P0102 mass airflow sensor. Please read the whole add to make sure this is the truck for you. Now I get t. Химический состав, также известный как химический состав или просто состав, представляет собой концепцию в химии, которая имеет разные, но похожие значения, если относиться к одному чистому веществу или смеси. PL FORUM - Zapraszamy! :) My i nasi partnerzy wykorzystujemy cookies oraz inne technologie w celu dostarczenia Ci spersonalizowanej usługi najwyższej jakości. 6L Duramax LB7 Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low. CASE 1: If your multimeter displayed 0. The Exhaust Gas Recirculation (EGR) system's purpose is to reduce NOx emissions that contribute to air pollution. check for blockages in the paths into and out of the egr valve. These are stored in response to a problem found in the car by the system. 3L International or IDI owners are also welcome. 5-2010 GM Duramax Custom Turbo Resonator Delete Cap. 0L 2004-2009 Econoline vehicles may exhibit one or a combination of the following concerns: lack of power, white/black smoke or a surge. Four banger 2. The mass air flow sensor still comes back. 6L LLY Duramax Diesel 2006 - 2007 GM 6. So you have changed the EGR valve and this p0401 code continues to pop up on the computer. Tell your dealer to run OASIS once in a while. Cleaning the wires VERY carefully (Q-Tip and alcohol, if you can reach it) can solve that problem. Read what sets this code and some common causes and repairs. Why P0299 fault code is related to your turbocharger boost pressure that can cause low engine power. You are frustrated and ready to drive your car off of a cliff. LB7 powered (through 2004 Duramax) Chevys and GMCs all suffer from injector failure at some point in their service life. it measures the amount of air entering the engine through the throttle valve. DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance. 7 Powerstroke Diesel engine, use a code reader to pull the trouble code and look it up on this list to see what it is. No start condition - Turn the key and nothing happens. This list has been updated to includes 2010 Dodge Cummins 6. 5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving. Sep 02, 2015 · Or the sensing wires in the airstream become contaminated. Welcome to the ETCG Video page! Here is a listing of all his videos from the most recent video to the last and below we have arranged videos in a monthly format. The code P0101 means that the signal from the mass air flow sensor (MAF) is out of expected range. Diesel Duramax Classifieds - Participate in our marketplace for Diesel Duramax owners. The February issue covered the most common DTCs for 5. I was thinking about this around 10:00 last night and I finally figured it out!!! It turns out that the EGR was never kicking in because my throttle was not properly adjusted. High combustion temperatures cause NOx. Then replaced EGR, plugs/wires (rough idle), still get code. 0L Power Stroke Diesel - 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van. Actually there are two kinds of bad EGR valves, with different symptoms. Re: P024F, P2453, P2584, P2585, P1412, P0404, U1900 codes come up on my car need hel Honestly, I really don't know, I'm hoping someone who's worked on them steps up to the plate. An EGR valve can fail in two ways: It can be open all the time, or it can be closed all the time. 2004 Chevrolet Silverado 3500 6. 0 Powerstroke. 0L 2004-2009 Econoline vehicles may exhibit one or a combination of the following concerns: lack of power, white/black smoke or a surge. This is an all inclusive list intended to help you get not only a code definition, but also some information on what could cause these codes and what can be done to repair the related faults. The EGR will never come on. Set B1503 to 8000. P0406 - EGR Sensor A Circuit High. Seems like a need a new EGR valve. Replaced EGR and problem came back. The pressure in the intake manifold increases when the EGR valve is open. You also need to set the DTC'S Processing Enablers to X: Not Reported for P0401,p0403,p0404,p0405,and p0406. 2005 Chevy Duramax won't crank 31 Answers. If the light goes off, we assume things are okay. FoxWellTool. 4L Powerstroke Diesel EGR Valve Housing, Ford part number 8C3Z9E461A. Welcome to P0420. Ford Diesel Diagnostics a more conventional Garrett VGT turbo similar to those used on the 6. P0404 GMC Meaning An Exhaust Gas Recirculation (EGR) system is used in order to lower Oxides of Nitrogen (NOx) emission levels. This will cause a continuous flow of exhaust gases into the intake manifold. Your engine may need a more thorough tune-up to be creating so much carbon so quickly. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. A loss of fuel economy is also commons sign there’s an issue of a dirty EGR manifold on diesels that have more than 100,000 miles on them. 6L LBZ Duramax Diesel 2007 - 2010 GM 6. Engine , Transmission, Etc. The auto repair labor rates vary widely across the country, and even within the same city. I replaced the EGR valve. it gave an egr code. Duramax LLY Emissions. The "Malfunction Indicator Lamp" (or MIL ) comes on to warn you when the Onboard Diagnostic System (OBD II) detects a problem that cold cause your vehicle's emissions to exceed 1. com and Eautorepair. Repair Information for P0404 Chevrolet code. This page lists OBD-II generic powertrain trouble codes, a. Seems common: p0401 and p0404 Duramax 6600. P0404 CHEVROLET Meaning An Exhaust Gas Recirculation (EGR) system is used in order to lower Oxides of Nitrogen (NOx) emission levels. This will eliminate the EGR test at start up that could set a code from shutting the EGR off or having too much boost during the startup test. The mass air flow sensor still comes back. © Barry Brideau 2003-2019. What is a Diagnostic Trouble Code (DTC)?. An OBDII code checker identifies defects in the exhaust system of the car. 6L Duramax EGR manifold. Why these codes? Well, these are the most common codes. 95 chev Lumina w/170k. DIAGNOSTIC TROUBLE CODE (DTC) - P0562 SYSTEM VOLTAGE (ENGINE SIDE) TOO LOW. You can take a power probe and shoot 12v to starter solenoid wire and it will crank and run fine. but it was something Code P0404 - Chevy and GMC Duramax Diesel Forum. 4 liter that has me stumped with a P0404 code. Disconnect the Electrical Harness. 9L Cummins engines and the April issue covered the most common DTCs for the 6. 0 Powerstrokes. Actron is the industry leader in automotive diagnostics, scan tools, and code readers. 0 The cost of diagnosing the P0401 CHEVROLET code is 1. We also carry filters, shocks, floor mats, and other useful service parts. this might help but dont expect much. Read your owner's manual for specific maintenance schedules, but you can generally inspect your EGR valve every 12,000 to 15,000 miles (19,000 to 24,000 km). The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. If the EGR system really did have a vacuum leak, wouldn't the EGR be stuck closed? And that wouldn't be excessive flow at allit would be no flow. GM OBD1 Diagnostic Trouble Codes & Cures This General Motors Corporation OBD I diagnostic page explains the codes, the most probable cause and what conditions are required to set the code. The P0420 code is a very popular one and that's why there's a site dedicated to that specific trouble code. Save $10,407 on a 2002 Chevrolet Silverado 2500HD near you. also check the wireing connector and wire to valve. Help please duramax gurus. A check engine indicator is a malfunction-indicator light or MIL for the computer-management system. 2003 Sierra 2500 p0089 p0380 p0404 p0802 p1093 u2106 Hello, Newbie here, trying to figure out the best way to post this issue on my '03 2500 Sierra Duramax/Allison. I put this in my F250 manufactured stamp datw of Dec '03, sold as an '04, was to unsure, but installed it myself and fits mint. Remember to let your engine cool thoroughly before doing any service like this. Since exhaust gas is inert, it displaces oxygen and fuel, thereby lowering cylinder temps, which, in turn, lowers oxides of nitrogen emissions. 2001 Chevy SB/CC Duramax LB7 Garrett GT4088R from PPE, PPE Duel fuelers, PPE Tuning, PPE stage 4 transmission w/suncoast 1056 converter, PPE Lift pump, Fabtech tie rods, Black Eagle alloys. Discussion in 'Chevy Trucks' started by mercer_me, Sep 8, 2012. EGR because there are no accompanying codes (P0401 or P0404). Request Access If you have an O'Reilly Auto Parts account number or wish to sign up for First Call Online we can assist you. This should power on the code reader. Reset these Warning Lights The reset check engine lights process takes an extra step on modern cars. My check engine light would come on like once every few weeks and stay on for a couple minutes. We carry stock replacement to High Performance Borgwarner S400. You can take a power probe and shoot 12v to starter solenoid wire and it will crank and run fine. The EGR system redirects a small amount of exhaust gases back into the intake. my duramax started spewing white smoke yesterday. Duramax LLY Emissions. When you install a tuned exhaust system, your car, truck, or SUV feels faster and more responsive. ShopKey Pro is the premier online solution for automotive repair information, vehicle maintenance, diagnostic data, and labor estimating. I have an 08 Chevy Equinox 3. Trouble codes P0404, P0405 and P1404. 0404 is open performance meaning that it doesnt think it can open the valve (or open it far enough). Rough idle. © Barry Brideau 2003-2019. If your car is running poorly, you may be having problems with your exhaust gas recirculation valve, or EGR. If you are getting a check engine light or wrench symbol on your Ford Superduty with a 6. Mass Air flow sensor code PO101 on an 2007 Chevy Duramax 2500 HD. Help please duramax gurus. The last diesel I worked on stood about 7 feet tall, started with 400 psi air and provided emergency power to a submarine. I took a lot of time to write the add and take all the pictures so please make sure you have read the add carefully and looked at all the pictures before you contact me, thank you. Why these codes? Well, these are the most common codes. Since exhaust gas is inert, it displaces oxygen and fuel, thereby lowering cylinder temps, which, in turn, lowers oxides of nitrogen emissions. Welcome to P0420. The dust will coat the wire and the air mass is no longer accurately calculated. If this is your first visit, be sure to check out the FAQ by clicking the link above. The EGR system accomplishes this by feeding small amounts of exhaust gas back into the combustion chamber. The port and the code reader's plug are both trapezoid shaped. Author Title: Year: Make: Model: Published Description; Flatrater: TAC 2011: 2011: GMC: Sierra: 4/1/2013: Reduced engine power message: Flatrater: Injection: 2003. How do I fix the problem? I installed a new GM mass air flow sensor and new EGR valve and it didn't fix my problem. 2002 Silverado Transmision Code P0700 P0875 P0843 Silverado Car Forums. May 19, 2014 · P0404 code diesel duramax - Cars & Trucks. P0404 GMC Meaning An Exhaust Gas Recirculation (EGR) system is used in order to lower Oxides of Nitrogen (NOx) emission levels. 5 diesel is not a duramax and the duramax is 6. 0L Powerstroke and LLY through LML Duramax engines. If you are getting a check engine light or wrench symbol on your Ford Superduty with a 6. 0L 2004-2009 Econoline vehicles may exhibit one or a combination of the following concerns: lack of power, white/black smoke or a surge. Really BAD gas mileage. 25 and up 6. The EGR valve controls the exhaust flow into the intake manifold from the exhaust manifold through an orifice with a Powertrain Control Module (PCM) controlled pintle. P0406 – EGR Sensor A Circuit High. Because there is no factory lift pump to circulate fuel, the injection pump has to suck fuel from the tank and through the filter to run. This will cause a continuous flow of exhaust gases into the intake manifold. com, the place dedicated to that DTC (diagnostic trouble code) P0420. 2L Four Cylinder Chevy S10 Performance Upgrades, including MagnaFlow Performance's Exhaust and several aftermarket parts in this issue of Sport Truck Magazine. Welcome to our listing page for Generic Check Engine Light Codes. Save $10,407 on a 2002 Chevrolet Silverado 2500HD near you. on modern gm engines, the egr is 'digital' meaning that it isnt operated by vacuum. Cleaning the wires VERY carefully (Q-Tip and alcohol, if you can reach it) can solve that problem. P0404 Exhaust Gas Recirculation Circuit Range/Performance OBD-II Trouble Code Technical Description. 0 Powerstroke from BD/Garrett/Industrial Injection.