P0171 gmc yukon denali. The vehicle itself may begin to run rough.

P0171 gmc yukon denali The truck has thrown NO codes since then, 2 1/2 years ago. Once it's warm, runs completely perfect. As an Amazon associate, we earn from qualifying purchases. This article outlines the procedures to diagnose and confirm Diagnostic Trouble Code (DTC) P0171 on a 2015 GMC Yukon V6, 5. 0L Vortec V8 Engine GMC Factory Service Bulletin OBDII Code P0174 Mar 8, 2018 · how to fix P0171 obd code on 2003 GMC yukon denali - 0 like . Does P0700 code affect GMC Yukon transmission? Yes, a P0700 code Customer: I have a 2002 GMC Yukon Denali 6. Ran great, near perfect condition. Fuel mileage may suffer. I replaced the MAF, cleaned the throttle body, and seafoamed the Sep 20, 2017 · 2004 Denali 6. From my scanner was able to retrieve those codes. GCM master tech over 25 years. A total of four codes: 1. zaahirkhan49 Detailed repair manual for the 2008 GMC Truck Yukon XL Denali AWD V8-6. Engine & Drivetrain 2004 Denali 6. Both had a broken or cracked boot/clip (see photo). The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and also a possible missfire code. P0171 Most Common Cause W/O Driveability Issue P0171 code possible causes Dec 9, 2013 · So I am gettin the dreaded P0171 P0174 Bank 1 and 2 too lean codes. The P0301 trouble code will trigger your Yukon’s check engine light. It should not be considered a breakdown risk. 0L are prone to this issue. I was lead to check this because when it gets low on fuel it Search for a new GMC Yukon near you. VehicleProbable CauseP0011. Hello and welcome, codes P0171 and P0174 are lean codes. There was no Mar 9, 2010 · So i've been having this issue since december of last year with my 6. Mar 17, 2010 · 2007 GMC Yukon XL with 140,*** miles. 0 helpful. I made it home with an engine light. However, P0700 is a generic code and does not specify the exact issue with the transmission. See full list on 700r4transmissionhq. Nov 2, 2018 · P0101 Possible Causes: GMC Yukon. Dec 13, 2012 · GM issued a TSB #05-06-04-029A for this problem. Thread starter Marinevet; 07 yukon denali fuel pump control module. SYMPTOMS: Check engine light. 0L Vortec V8 Engine Detailed repair manual for the 2007 GMC Yukon XL Denali AWD V8-6. Vehicle runs great, getting good mpg as usual, no other issues. At idle Cold start LTFT are -5 After 15-20 minutes LTFT are -30 and STFT are -15. Codes P0171 and P0174 pertain to the engine running lean on both bank one, and bank two, meaning that both sides, or the complete engine, is running lean. patrick capp. 2-liter V8 that Mar 8, 2010 · 2003 GMC Yukon Denali 6. Fless. It has about 190k miles on it. 3Z engine. Starting At Dec 29, 2009 · 2003 gmc yukon denali 6. This significantly helped but has not fixed the problem. P0135 Causes: GMC Yukon Aug 10, 2012 · Pulled codes p0171 & p0174. Customer: I have a 2008 GMC Yukon Denali with 130k miles. About the last 10k or so I have been dealing with the P0011 and the stabilitrak lights. Symptom/DTCP0011. 30,243 Satisfied Customers. Customer: 2003 gmc yukon denali 6. The range-topping 2011 Yukon Denali Hybrid Sport Utility 4D starts at 2007 - 2014 Tahoe/Yukon/Escalade Models. The GMC Yukon Denali gets a 6. 2003 gmc yukon denali 6. Search Fixya. V8-6. Here is what you need to know about the P0171 code. Now tonight, it did it again on her way home. In this section, we will discuss some of the most common causes for this code. Answered by Virtual Wrench in 22 mins 15 years ago Jul 7, 2013 · Hi all. 0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on. Used the correct new style teal green GM gaskets. Heads up! P216E, P0300 May 18, 2013 · It's consistently showing P0171 and P0174 which are lean codes for bank one and two. Here are the most common symptoms of P0301 in the GMC Yukon. misfires happen on cylinder 5 mostly but 2 and 4 sometimes. Running super rich. We have 2,144 GMC Yukon Denali vehicles for sale that are reported accident free, 1,444 1-Owner cars, and 2,121 personal use cars. P0101 2. A few weeks ago I checked the fuel pressure and it was as follows and with what I have found is below spec. the code that comes on is p0171i have no vacuum leaks,new fuel pump. All 2000-2013 GMC Models: 2000-2013 GMC Factory Service Bulletin OBDII Code P0300 2014 GMC Sierra 1500 2015-2016 GMC Sierra 2015-2016 GMC Yukon 2015-2016 GMC Yukon XL GMC Factory Service Bulletin OBDII Code P0300 2005-2006 GMC Envoy Models 2007 GMC Yukon, Yukon Denali, Yukon XL Denali, Yukon XL with 5. P0171 – System Too Lean (Bank 1) What does the P0171 code mean? Oct 18, 2020 · And P0171 System to Lean <---This one throws 2 times and it says most likely solution is to clean the fuel injectors. The P0171 code for GMC vehicles indicates that the Fuel Trim System is running lean on Bank 1. Table Customer: i have an 03 yukon denali xl with 6. Aug 15, 2018 · P0300 is a generic OBDII code that can occur with the GMC Yukon. did not fix it. Descriptor. Gary | 15 years gm master tech/15 years ASE master tech. Chased that down to leaky intake manifold gaskets and finally got around to changing them yesterday. It is throwing fault codes P0171 and P0174 (lean banks 1 & 2) every now and then. 2007 GMC Truck Yukon Denali AWD 2001 GMC Yukon SLT 5. Nov 23, 2012 · SOURCE: 2004 denali check engine light stays on There is no p01001, it's either p0100, or p0101. DENALI. Initial cold start is rough, sometimes dies. Mar 21, 2023 · YUKON - P0300 & P0303 ERROR - EASY FIX Fixes:*Rough Idle*Weak acceleration *Excess fuel consumption The P0300 on the Yukon and Tahoe can be caused by:*Bad Detailed specs and features for the Used 2017 GMC Yukon Denali including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. 0 AWD check-engine Nov 25, 2011 · 2003 gmc yukon denali 6. Code Definition. Aug 11, 2021 · 2007 - 2014 Tahoe/Yukon/Escalade Models. Random/Multiple Cylinder Misfire Detected. It also had the least complaints submitted to NHTSA for this generation and the only few issues it had were slight body/paint problems and faulty interior accessories, both of which were easy fixes. Jun 16, 2009 · I am pulling these codes now. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). Engine & Drivetrain . Dirty Air Filter. As it might fail while driving the fuel pressure would drop yielding a low pressure delivery rate and producing the DTC P0171 and P0174 lean codes. I sprayed MAF cleaner on MAF , new spark plugs , new headers put on new battery new oil change . 2014 Tahoe/Yukon/Escalade Models. Thread starter Marinevet; Start date Sep Aug 17, 2018 · Yukon P0301 OBDII Code Symptoms. I have a new body style 2007 GMC sierra vortec max and recently have been getting P0171/P0174 lean conditions in bank 1 and bank 2 and I cant figure it out. 0 I have codes p0171 and p0174. Stft s are good ltft are +25 and dont change with idle change. GMC Yukon Denali: How do you replace the oil pump on a 2007. 3 that came in with codes P0171 and P0174 indicating that the engine is running lean. Stabilitrak/Traction control off/service randomly comes on, mostly at a stop or lower speeds. Truck started to sputter and rough idling. says my truck is getting 9. The vehicle itself may begin to run rough. Research points at a variety of possible issues ranging from dirty or failing MAF sensor to vacuum leak in intake or possibly a bad intake gasket or even fuel pressure issues. Then he got the P0300 code soon after. Many thanks to all the information on this forum. DTC P0171, P0172, P0174, or P0175 Mar 17, 2023 · A P0171 code appears in the engine control unit when the oxygen sensor on bank 1 recognizes too lean of an air-fuel mixture for the sensor to correct it. / Canada/Mexico-11349262) - 2018 - crc - 6/20/17 2 Introduction Introduction The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, GMC, the GMC Truck Emblem, YUKON, and DENALI are View detailed specs, features and options for the 2017 GMC Yukon 4WD 4dr Denali at U. 11 and the LTFTs were +35% at idle with the STFTs hovering around 0. Operation CHARM: Car repair manuals for everyone. Search from 706 Used GMC Yukon cars for sale ranging in price from $39,297 to $67,900. To cover my ass I ordered up the 2 lines and replaced them. 18 mths and 18k miles ago installed 4 new amazon GM Genuine Parts O2 sensors. This trips the CEL for P0171 and P0174 system SES light is on and the pcm codes of P0171 and P0174 - GMC 2002 Yukon Denali question. I checked again, P0171, and now P0131. Thanks. 2. Typically, the only symptom of P0135 is going to be the service engine soon light. Nov 9, 2021 · Going ahead and starting the thread, couldn't find anyone with the same codes that completed their thread with an actual fix. Jul 12, 2018 · The P0700 code in a GMC Yukon indicates a fault within the transmission control system. P0101, P0172, P0175, P0446. Sep 29, 2018 · GMC Yukon P0135 Symptoms. 2006 GMC Yukon Xl Denali; GMC Yukon XL Car and 2011 GMC Yukon pricing starts at $9,411 for the Yukon SLE Sport Utility 4D, which had a starting MSRP of $43,955 when new. 7k views. a new one. Customer: second opinion] GMC Yukon 2005 6. . Truck is a 2004 Z71 Tahoe 5. 2L in front of me yesterday. 007 GMC Truck Yukon Denali AWD. Cleared codes and it was fine for a couple days. Several different things could cause this trouble code. P0300 code on 2004 GMC Yukon XL Denali Feb 28, 2017 · 2000 - 2006 Tahoe/Yukon/Escalade Models. The shop thought the SES was on for a EVAP fault and just wanted the codes turned off but when I checked the codes it had P0171 and P0174 lean codes. When dealing with a P0101 code in your GMC Yukon, it is essential to understand the potential causes to accurately diagnose and resolve the issue. 8L, 5. Oct 22, 2018 · Past couple of weeks I keep getting the check engine light and code P0171-Fuel System Lean Bank 1. Jul 12, 2018 · P0171 and P0174 both indicate that there is a lean condition present in your GMC Yukon. I did several deep forum dives and have replaced the following. The temperature really dropped last week, and one morning it threw several codes. Choose from available trims, colors, and options to view photos and learn more about your next vehicle. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. Customer: 2015 Yukon Denali CEL P0172 & P0175Changed MAF sensor. c. 0. DTC P0171, P0172, P0174, or P0175 Feb 6, 2019 · In this video I have a look at a 2008 Chevrolet Silverado 1500 5. Only 17k miles, so still under warranty obviously. This means that the engine control module (ECM) has detected that the air-fuel mixture is too lean, meaning there is too much air and not enough fuel being delivered to the engine for proper combustion. Want Answer 0. Save up to $7,802 on one of 3,063 used GMC Yukon XL Denalis near you. Lean codes due to unmetered air leak on the intake manifold gaskets. Anyway, it's the mass air flow sensor that's bad. basically what this means both banks of the engine are running lean. 0L throwing Codes P0174, P0171, P0101, P0446. Nov 2, 2010 · Hey gang – wanted to share my experience working through the P0171 and P0174 (too lean bank 1 and too lean bank 2) codes. Answered by Virtual Wrench in 22 mins 16 years ago Jul 4, 2013 · Recently purchased a 2010 Yukon Denali, 138k. One possible cause for the P0101 code in your GMC Yukon is a dirty Apr 2, 2011 · The issue started out as an occasional p0171 and p0174 code that would throw if the vehicle was under heavy load or after a few hours of driving. Browse Categories Answer Questions . There was also a very loud sound coming from the engine area. Posted by Anonymous on Jan 29, 2013. It depends on how serious the misfire is. 2 135k kiles Mechanic's Assistant: Are you fixing your Yukon yourself? What have you tried so far? Customer: i put fuel injector cleaner in gas. Jun 18, 2024 · I have an 03 Tahoe with the 5. Replaced fuel sensor thinking it was the Customer: I have a 2008 GMC Yukon Denali with 130k miles. Every used car for sale comes with a free CARFAX Report. Probable Causes. 3 1500 - GMC 2004 Yukon XL question. My brother in-laws Yukon started getting the P0171 and P0174 codes the other day so we cleaned the MAF sensor and the throttle body as well as replaced the engine air filter but the codes came back (he cleared them). Feb 19, 2024 · I'm having an issue with my Yukon's engine and I was hoping someone could give some advice. 0 awd, have p0101 code maf, and p0171, p0174 sometimes on startup and sometimes while accelerating. P0171 and P0174 are for system too lean. Car is running just fine with maybe the exception of fuel mileage. Gasket was replaced by dealer at their cost. DTC P0171, P0172, P0174, or P0175 Mar 2, 2011 · Then it happened again a few days later while she was driving home from work. The car runs 2007 gmc yukon xl slt I have 2 codes p0171 and p0174 vehicle also turns over for a while before actually starting fuel Mechanic's Assistant chat Customer: 2007 gmc yukon xl slt I have 2 codes p0171 and p0174 vehicle also turns over for a while before actually starting fuel pump plugs injectors and coil packs and plugs has been changed Mechanic Jul 17, 2024 · For these two codes on your Yukon, the first thing I would have done is a smoke test on the intake. What do I need to do to fix Yukon Banks: Solving Lean System Issues (P0171, P0174) | JustAnswer Customer: I have a 2002 GMC Yukon Denali 6. Vehicle: 2003 GMC yukon denali 6. Code is p0300. zaahirkhan49; Feb 24, 2025; Engine & Drivetrain; Replies 7 Views 378. 2L. By themselves, these are some of the most common OBD2 codes. I turned off the truck immediately. 2003 Tahoe LT 5. I thought the motor was going to blow. may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. 0 01 Denali. Nov 22, 2014 · Hi everyone. Dec 2, 2019 · How to fix GM vehicles GMC Yukon, Chevy Tahoe, 2007 to 2015 Cadillac Escalade codes P0171, P0172 permanent fix#P0172 #P0171 #jasontalksHow to fix GMC, Chevy, Edmunds' expert review of the Used 2011 GMC Yukon provides the latest look at trim-level features and specs, performance, safety, and comfort. I was only pulling P0171. / Canada/Mexico-13690468) - 2021 - CRC - 5/18/21 2 Introduction Helm, Incorporated Attention: Customer Service GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U. But, like anything that causes the service engine soon light to come on it is a good idea to have it fixed as soon as possible. S. Limped the way home 2 hrs away. Mar 2, 2011 · Then it happened again a few days later while she was driving home from work. Nov 3, 2012 · denali p0171 and p0174 codes - GMC 2006 Yukon Xl Denali question. Aug 21, 2022 · There are Factory Service Bulletins for the following GMC models: 2000-2013 GMC All Models: 2000-2013 GMC Factory Service Bulletin OBDII Code P0174 2005-2006 GMC Envoy Models 2007 GMC Yukon, Yukon Denali, Yukon XL Denali, Yukon XL with 5. The position sensor, actuator and magnet. Measured fuel pressure at shrader valve on fuel line at 70 psi upon startup. 1999 gmc yukon denali starts and runs for approximatly 10 minutes and then Mar 12, 2024 · 2014 GMC Yukon. The p0171 and p0174 is a lean condition on bank 1 and bank 2, which are the oxygen sensors. 2001 GMC Yukon SLT 5. When they are together, it indicates that the entire engine is running lean. The lean condition Find the best GMC Yukon Denali for sale near you. 3 flex fuel engine, 79,700, bone stock. Ideas on what’s going on? Feb 15, 2017 · p0171 and p0174 GMC YUKON XL 2004 5. had injectors cleaned,new maf, and when the weather is warmer the lite wont go on and the d. Gary. P0171: Fuel System Too Lean (Bank 1) P0174: Fuel System Too Lean (Bank 2 Detailed specs and features for the Used 2011 GMC Yukon Denali including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. I have 03 Yukon Denali XL 6. P0171 Too Lean; Bank 1 4. I was accelerating heavily to merge with traffic on the Interstate when the light came on. Most of the time the issue is going to be from either a leaking intake manifold gasket, a vacuum line not fully connected, or a mass airflow sensor issue. Customer: Im working on an 03 gmc denali around 170k and have a p0171 p0174 after changing to intake gaskets oem parts and throttle body seal oem part as well the codes still came back. This was at 136K miles in January of 2016. P0011. Took it back to the dealer and they diagnosed it as a failing intake manifold gasket. I ran a can of SeaFoam, no change. I cant get it started. i. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. Expert. P0300 code on 2004 GMC Yukon XL Denali - 119,000 miles. Apr 1, 2009 · Code p0171 p0174 pending GMC Yukon xl denali changed tons hi my 2003 gmc yukon pulled a p0171 and p0174 lean mixture bank 1 and 2 sprayed carb cleaner around . Background: I was tinkering with the truck a few weeks ago trying to see if I could eek out any more MPGs and I have a 2003 Yukon Denali which have code P0171 and P0174 system too lean banks 1 and 2. P0101, P0171, P0174 all showed up Already cleaned MAF and TB then blew out a somewhat new looking air filter (not a K&N style reusable) Codes went away for about 4 2007 Yukon P0171 and P0174 after all of injectors were changed. O2 Sensor Circuit Low Volts (Bank 1, Sensor 1). Look at the electrodes and see if they are in Test drive Used 2021 GMC Yukon Denali at home from the top dealers in your area. If you have P0300 and a cylinder-specific misfire, Dec 4, 2023 · Hello, first time posting. 2007 - 2014 Tahoe/Yukon/Escalade Models. Purpose. 0l. News & World Report. Few weeks Aug 24, 2022 · 2008 GMC YUKONCODE P0171In this case we changed the air filter and cleaned out the MASS AIR FLOW SENSOR & Throttle Body! ALWAYS CHECK LOOSE CONNECTIONS! That Jun 16, 2009 · I was only pulling P0171. 3L or 6. Scanner showed commanded A/F 14. Here are the most common P0304 GMC Yukon causes; they are presented somewhat in order from most to least likely to be causing the code in your vehicle: Bad Spark Plugs– A fouled spark plug is the most common cause of P0304. 3L and replace the Fuel Pump to resolve the issue. P0101 Pending 3. I had a bone stock untuned 15 Denali Yukon XL 6. 0 when cold my check engine lite goes on. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. 0L Vortec V8 Engine GMC Factory Service Bulletin OBDII Code P0174 There are Factory Service Bulletins for the following GMC models: 2000-2013 GMC All Models: 2000-2013 GMC Factory Service Bulletin OBDII Code P0174 2005-2006 GMC Envoy Models 2007 GMC Yukon, Yukon Denali, Yukon XL Denali, Yukon XL with 5. ItemDescription. Help needed with P0171 & P0174 running lean at idle. Now I get both these. I. Jan 25, 2017 · Seems the fuel pump had an intermediate failure. The vehicle’s internal computer detects this issue and communicates it through warning errors. Browse Categories Jan 07, 2011 • 2003 GMC Yukon Denali. com Aug 11, 2021 · This trips the CEL for P0171 and P0174 system too lean bank 1 and bank 2. 3L Feb 2, 2016 · 2000 - 2006 Tahoe/Yukon/Escalade Models. 3L getting P0171, P0174 Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, and/or P219B Set Attention: This bulletin applies to V6 and V8 Gasoline Engines ONLY. Jul 26, 2018 · This page is meant to help you troubleshoot the GMC Yukon P0420 trouble code. 3L getting P0171, P0174, P0300 GMC YUKON DENALI XL 2001: Q&A on P1153 CODE. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. P0131 P0137 P0151 P0157 all 02 sensor low voltage codes Aug 31, 2021 · My wife's car went into limp mode on our way to drop off our son at college this week. Camshaft Position (CMP) ActuatorCamshaft Position (CMP) Actuator MagnetCamshaft Position (CMP) Actuator Solenoid ValveEngine Control Module (ECM) 2- The C faults . Then I Oct 30, 2021 · 2000 - 2006 Tahoe/Yukon/Escalade Models. 3L getting P0171, P0174, P0300. No Mis-fires. I just replaced both catalytic converters. The vehicle may produce excess vibration, especially at lower RPM. P0171 Too Lean; Bank 2 The P0101 P0171 P0174 codes - 2005 GMC Yukon Denali. i replaced spark plugs, spark plugs wires, PCV valve, EGR , Coil packs ( just for the ones missing) sea-foamed, checked compression and i still have the annoying code. Nov 12, 2012 · A Code P0171. P0420 is the most common OBDII code and is virtually never a breakdown risk. 7 160k I had an alternator go out back in April and tried to limp it home a few miles. Vehicle. Thread starter Marinevet; Start date Sep Jun 4, 2015 · Back when I got the truck in December of 2015, it started throwing both P0171 and P0174 codes right away. All vehicles from 99-05 with the 4. Check engine light came on today and it is throwing a P0174 and P0171 code. Definition Both of these codes are generic, which means they have the same meaning 2003 gmc yukon denali 6. too little of fuel or too much air. Customer: It stay on Mechanic's Assistant: What is the model/year of your GMC? Customer: 2007 yukon denali 6. 0 dislike. 3 Flex Fuel engine. As for more recent GMC Yukon models, the 2014 SUV was pretty solid and had positive feedback from drivers and previous owners. asked Mar 8, 2018 by ty. 2l. Dec 4, 2023. Latest: Warriorpluto; 18 minutes ago; Feb 1, 2019 · The P0131 code is an OBD-II diagnostic trouble code that indicates low voltage in the GMC Yukon's Oxygen (O2) sensor circuit for Bank 1, Sensor 1 (B1S1). GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U. Have learned alot and keep learning! Have a 99 hoe 5. This sensor plays a crucial role in maintaining optimal engine performance by detecting the air-fuel ratio in the exhaust, then sending this data to the Yukon's engine control Mar 23, 2022 · I have a 2007 GMC Denali with the 6. But I had cleaned my MAF, Replaced my PCV and ran seafoam through the vacuum line as well as cleaned my TB. arkhamfallout; Dec 4, 2023; Engine & Drivetrain; Replies 1 Views 3K. Checked codes, P0131, P0171, and now, P0300. Aug 6, 2004 · A vehicle may encounter an MIL/SES light set with DTC P0171 (Fuel Trim System Lean Bank 1) 2007-2008 GMC Sierra, Yukon, Yukon XL, Yukon Denali, Yukon Denali XL Feb 17, 2016 · Q: I have codes P0171 and P0174 on my code reader. 0L, I'm getting a P0300 and P0171 code, please help with your thoughts. Jan 4, 2012 · Happy New Year! The truck threw a few codes on the way home from work tonight. Sometimes so rich the car “diesels” (runs on) when turning offDuring cruising no matter what temp LTFT -15%. Have changed maf to a known working one and cleaned to no avail. It doe Sep 10, 2018 · P0304 OBD II Code Causes: GMC Yukon A fouled iridium plug vs. I bought a new fuel filter this evening and going to see about replacing that. Two days ago I was driving the truck and it went into Limp mode, with the associated lights and sounds. 9 mpgplease help Jan 18, 2018 · Codes P0171 P0174 Chevrolet Yukon Denali 6. Detailed repair manual for the 2007 GMC Truck Yukon XL Denali AWD V8-6. aibmr jycjq mfgcd uuykzqxp aczbagd rrsq ktbv xgefpk spfi eqgwys uvl kraf vabhr asjh qevevkmn