Acura mdx check emission system sh awd - Ask Your Own Acura Question. Acura has designed the SH-AWD warning light to come on whenever an engine related fault is detected so you can ignore that light it will turn off whenever the engine fault is cleared or fixed. Now an engine fault can affect the A/C whenever it causes the engine to run hotter than normal.

 
Note that the 2020 MDX differs from the 2014 model we tested — in 2016, it added a new SH-AWD system, nine-speed automatic, smartphone integration and a hybrid trim — but our coverage is .... Bamboo garden oakdale

If your Acura MDX has the Check SH AWD system light on, it means that there is a problem with the ECU that is stopping power from going to all four wheels. This problem could make it impossible for your car to start or shift properly. As many things could happen, an Acura MDX’s warning light could come on. These are some of the most popular ...29 Jul 2016 ... Acura MDX Has SH-AWD ... Acura's SH-AWD uses a sophisticated system ... Check out the redesigned 2017 MDX today at Jay Wolfe Acura. Categories: MDX.This video will show you hot to fix your cars dash Christmas tree lights on Acura and Honda vehicles. ABS, VSA, SH-AWD, TRACTION, BRAKE, FCW, CHECK ENGINE LI...Specifications. SPECIFICATIONS. 2017 Acura MDX SH-AWD. VEHICLE TYPE. front-engine, all-wheel-drive, 7-passenger, 4-door hatchback. PRICE AS TESTED. $59,340 (base price: $46,890) ENGINE TYPE. SOHC ...Take a look at the grounding battery cable. These often deteriorate/corrode but are hard to identify due to the sheathing. Look for green or other evidence of corrosion at the end of the sheath. There are identical replacements from Acura (about $45) & Honda (about $25) & even cheaper if bought online (about $15).In fact, the SH-AWD system on an Acura MDX senses uphill motion and automatically shifts torque to the rear to improve launch traction-even before the vehicle starts to move.Check Emissions and SH-AWD lights came on the other day, took to honda dealer and they said P0430 and P2247 codes were obtained. They ordered an O2 sensor to try first, but claim it may not be the fix, it could be the catalytic converter (CC). Events leading up to these lights: I understand the acura has extended the warranty on the CC …SH-AWD. 2008 Acura mdx. I haven't tried anything. I was trying to pass a - Answered by a verified Mechanic for Acura. ... I have a 2008 MDX and just pulled over because my check emission system and check sh-awd light came on. Car feels like it is going to stall. ...2024 MDX SH-AWD 10 Speed Automatic Featured Special Lease. $559 per month for 36 months. $4,999 Total due at signing. Includes down payment with no security deposit. Excludes taxes, titles, license and documentary service fees.All of a sudden the following errors popped up: Emissions system problem. Brake system problem. Power steering system problem. Vehicle stability assist problem. Trailer stability assist problem. Lane departure warning problem. Hill start assist problem. The car only has ~7,000 miles on it.The check engine light is one of the most dreaded warning lights that can illuminate on your dashboard. It indicates that there is a problem with your vehicle’s engine or emissions...2012 Acura MDX - suddenly see the check chargin system. 2012 Acura MDX - suddenly see the check chargin system message followed by SH-AWD, VBS, ABS, etc. Cannot put it in reverse; very slow pickup and battery finally died. Mechanic's Assistant: Is the AWD light blinking or flashing, or is it solid?Jan 23, 2017 · Check Emissions and SH-AWD lights came on the other day, took to honda dealer and they said P0430 and P2247 codes were obtained. They ordered an O2 sensor to try first, but claim it may not be the fix, it could be the catalytic converter (CC). Events leading up to these lights: I understand the acura has extended the warranty on the CC to 120K ... I, too, have been getting the "check emissions system" and "check SH-AWD" indicator lights on my 07 MDX. It's only been occurring the last few weeks. I recently completed the A14 service (timing belt/water pump - ugh!), but had been having intermittent battery problems as well. (If I didn't drive the X for a few days, battery would completely die.Liz Kim | Aug 31, 2020. At Acura, SH-AWD is an acronym for the automaker’s proprietary all-wheel-drive system. It provides the enhanced traction that any AWD vehicle supplies compared to a front- or rear-wheel-drive system, but Acura adds rear-axle torque vectoring – that’s the SH, or Super Handling, part of the equation – to add a ...Take a look at the grounding battery cable. These often deteriorate/corrode but are hard to identify due to the sheathing. Look for green or other evidence of corrosion at the end of the sheath. There are identical replacements from Acura (about $45) & Honda (about $25) & even cheaper if bought online (about $15).Jan 16, 2024 · If your Acura MDX has the Check SH AWD system light on, it means that there is a problem with the ECU that is stopping power from going to all four wheels. This problem could make it impossible for your car to start or shift properly. As many things could happen, an Acura MDX’s warning light could come on. These are some of the most popular ... I suddenly got a simultaneous warning on the dashboard screen of an emission control problem and a parking brake malfunction. Both show up with a bright alarm. It was preceded about 15 miles prior with a sudden freeze of the car whil pulling out of a parking space going less than one mile per hour. The car seemed to have gone into "park".Second Opinion] Check emission system and SH-AWD lights came on my 2008 RDX Warning Lights ... 2012 acura rdx with 140000 miles. The sh awd light just came on along with check emission. The car also makes a sound when backing up but just for a few seconds then goes away. ...As the world becomes more conscious of the impact of climate change, it’s essential to take steps towards reducing your carbon footprint. One major way to do this is by monitoring ...the system will have to be scanned to retrieve any trouble codes. there could be a problem with the abs system, but the only way to diagnose it is to retrieve codes. I have had quite a few of these mdx's with brake switch problems doing the exact same thing you are describing. if it is what im thinkin than it should be a reasonable repair.Dec 14, 2010 · I, too, have been getting the "check emissions system" and "check SH-AWD" indicator lights on my 07 MDX. It's only been occurring the last few weeks. I recently completed the A14 service (timing belt/water pump - ugh!), but had been having intermittent battery problems as well. (If I didn't drive the X for a few days, battery would completely die. 2022 Acura MDX SH-AWD A-Spec First Test: Gets the Job Done Looks better, has more space and technology, but lacks promised performance. Scott Evans …2008 MDX "Check SH-AWD". So recently my MDX has started this little game with the dealer and I, it pops the "Check SH-AWD" Light and message on the dashboard and then disables the awd system. I have been to the dealer 3 times in the past 2 weeks and they tell me they are totally stumped. All they seem to do is reset the code and then tell me to ...Check emission system and SH-AWD lights came on my 2008 RDX Warning Lights ... 2012 Acura MDX - suddenly see the check chargin system message followed by SH-AWD, VBS, ABS, etc. Cannot put it …Mechanical. Engine: 3.5L 24V SOHC i-VTEC V6 -inc: idle stop. Transmission: 10-Speed Automatic -inc: sequential SportShift w/paddle shifters, Integrated Dynamics System (IDS) w/individual mode ...If your Acura MDX has the Check SH AWD system light on, it means that there is a problem with the ECU that is stopping power from going to all four wheels. This problem could make it impossible for your car to start or shift properly. As many things could happen, an Acura MDX’s warning light could come on. These are some of the most popular ...Jul 1, 2011 · Displayed on the MID was a warning for the SH-AWD and the Emission System. I checked the messages on the information system within the navigation unit and saw the engine code P2646. Something was read about potential power losses and to bring the vehicle to an Acura shop. Answered in 32 minutes by: Hi Sir or Madam, welcome to Pearl.com. I'm acuramstr. The light can come on for allot of reasons from a loose gas cap to an engine misfire or bad sensor. The basic rule is if the light is on solid and the car runs normally then you can drive the car until you can get the code checked that is turning the light on.I suddenly got a simultaneous warning on the dashboard screen of an emission control problem and a parking brake malfunction. Both show up with a bright alarm. It was preceded about 15 miles prior with a sudden freeze of the car whil pulling out of a parking space going less than one mile per hour. The car seemed to have gone into "park".Acura Type S concept. For more on how SH-AWD is different from other systems, check out this official deep dive video from Acura. Here’s how Acura’s Super Handling All-Wheel Drive system works.Issue is 2007 Acura MDX 115k ***** *****, check engine warning light throwing P0401 "Check Emissions System" and SH-AWD warning lights. read more HONDASERVICE7791If they are a different size it will cause this issue. Also what happens is When it says check the SH-awd system it puts the AWD system into a fail safe mode and you will only have 2wd. Ask Your Own Car Question. they are the same size as factory tires. I did notice that it is currently in front wheel drive only.Dec 14, 2010 · I, too, have been getting the "check emissions system" and "check SH-AWD" indicator lights on my 07 MDX. It's only been occurring the last few weeks. I recently completed the A14 service (timing belt/water pump - ugh!), but had been having intermittent battery problems as well. (If I didn't drive the X for a few days, battery would completely die. Dec 1, 2020 · If they are a different size it will cause this issue. Also what happens is When it says check the SH-awd system it puts the AWD system into a fail safe mode and you will only have 2wd. Ask Your Own Car Question. they are the same size as factory tires. I did notice that it is currently in front wheel drive only. Mechanic for Acura: Steve. If it comes out of park on the first try it is hard to say if the brake switch is the problem without knowing the codes stored causing the lights to come on. A faulty brake switch is one failure that could cause the abs/tcs and sh-awd lights to come on. Ask Your Own Acura Question.6 posts · Joined 2009. #1 · Jul 3, 2012. My wife drives a 2009 Acura MDX. We bought it new and so far its been reliable with ~ 20K miles on it. However, in the past 4 weeks the "check emissions system" and "check SH-AWD system" light / warning has come on 2 times. After multiple restarts, the warning lights go away.2008 Acura RDX Check emission system & SH-AWD lights are on. I noticed in one of these threads about the same issue a mention of the A/C system. ... We have an 2010 Acura MDX SH-AWD Tech package. We kept getting battery warning light and our dealer told us to disconnect the battery for 10 minutes, re attach and drive …35 posts · Joined 2017. #3 · Aug 5, 2017. I too have a 2007 MDX, base model 145k. All three lights came on within a minute of each other (check ABS, SH-AWD, VSA.) Sounds like wheel sensor, alternator, or battery issue. Tried …The day's task was to try different all-wheel-drive systems on a variety of special test tracks laced with deep snow, hard-packed snow, and pure ice. On hand were various Acura vehicles shod with ...Acura MDX emission check lightIf they are a different size it will cause this issue. Also what happens is When it says check the SH-awd system it puts the AWD system into a fail safe mode and you will only have 2wd. Ask Your Own Car Question. they are the same size as factory tires. I did notice that it is currently in front wheel drive only.The SH-AWD system shuts down and goes to protection mode when you throw a overboosting or check emission code. You can also try resetting your ECU - https://acurazine.com/forums/showthr...1749OriginallyMechanic for Acura: Steve. If it comes out of park on the first try it is hard to say if the brake switch is the problem without knowing the codes stored causing the lights to come on. A faulty brake switch is one failure that could cause the abs/tcs and sh-awd lights to come on. Ask Your Own Acura Question.Nov 5, 2013 · 136 posts · Joined 2010. #1 · Nov 5, 2013 (Edited by Moderator) My wife has a 2010 MDX and driving home this evening the following warning lights all came on at the same time: Check ABS, Check VSA, Check Trailer Stability Assist, Check SH-AWD. I have red through forums and searched the Internet for a few potential causes. The check emission system light illuminated in an Acura RL will usually indicate there is a malfunction in the vehicle's emissions, ignition, fuel or even a loose gas cap. Likewise, the emission system check light can be triggered by anything as basic as a malfunctioning fuel pressure regulator or throttle location sensor. The gas cap will be the …This MDX cam in with multiple warning lights on due to a failed wheel speed sensor.Job turned ugly as the sensor was rusted into the knuckle. Ended up replac...Why background checks alone are not enough. The National Rifle Association says the US needs to fix its flawed background check system to prevent deadly shootings as the one in Par...Check emissions system and sh-awd - Answered by a verified Mechanic for Acura We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.RDX. 2020. If the check emissions system light has turned on in Your Acura RDX that means that the ECU has detected a fault in some part of Your emissions control system. It could be something as simple as a loose wire, all the way up to a failing catalytic converter. Your vehicle has many sensors on it to measure the emissions and make sure ...babyduke Discussion starter. 69 posts · Joined 2016. #1 · Nov 6, 2019. All the lights in my 2016 MDX SH-AWD suddenly lit up, all wheel system problem, brake system prblem, VSA system, emissions system, hill assist, etc etc. Car is still running normally. All the maintenances are up to date.My girl friend purchased a 2008 MDX in late 2012. It's been trouble free until this week, with 67K miles on clock. Now the Check engine light SH-AWD & Check Emission system came on. We took to local parts store where they pulled code DTC P2243 with a scanner. Printout they gave states: Rear A/F sensor (Bank 1, Sensor 1) …February 13, 2024. By. John Andrew. In this article, we will discuss everything you need to know about the Check Super Handling All-Wheel Drive (SH-AWD) system in the Acura MDX. From how it works to its benefits and potential issues, we will cover all aspects of this advanced technology found in Acura’s popular SUV. Table of Contents.In fact, the SH-AWD system on an Acura MDX senses uphill motion and automatically shifts torque to the rear to improve launch traction-even before the vehicle starts to move.- The Acura MDX boasts a robust 3.5-liter V6 engine, delivering impressive horsepower and torque for a thrilling driving experience. - Its Super Handling All-Wheel Drive (SH-AWD) system ensures exceptional handling and control on various road conditions, providing a smooth and confident ride.Been in the Acura family for awhile now. This is my my 7th Acura. Current one is 2014 MDX ADV ENT. Been having the Check Emissions Systems and SH-AWD light on for awhile. By that I mean, every week when I fill my tank, and click 5-7 times on the cap, then drive about 15 mins. Those two lights comes on.The towing capacity of the 2016 Acura MDX is 3,500 pounds with 350 pounds of tongue weight. The tongue weight is how much force the trailer tongue exerts on the hitch. The towing c...Performance For Every Challenge. The 2024 MDX houses a 290-HP * V-6 engine paired to a double-wishbone front suspension for precision cornering. For even more exhilaration, the MDX Type S features an available 355-HP * Turbo V-6 engine and available air suspension that thrills with every drive.The catalytic converter is an anti-emission device in an automobile exhaust system that is designed to burn off harmful chemicals before they can be released into the environment. ...Feb 29, 2016 · My wife has a 2010 MDX and driving home this evening the following warning lights all came on at the same time: Check ABS, Check VSA, Check Trailer Stability Assist, Check SH-AWD. I have red through forums and searched the Internet for a few potential causes. I have seen similar problems, but... Acura MDX emission check lightSH-AWD. Super Handling-All Wheel Drive ( SH-AWD) is a full-time, fully automatic, all-wheel drive traction and handling system, which combines front-rear torque distribution control with independently regulated torque distribution to the left and right rear wheels. This way the system freely distributes the optimum amount of torque to all four ...Answered in 32 minutes by: Hi Sir or Madam, welcome to Pearl.com. I'm acuramstr. The light can come on for allot of reasons from a loose gas cap to an engine misfire or bad sensor. The basic rule is if the light is on solid and the car runs normally then you can drive the car until you can get the code checked that is turning the light on.1 Answer. it can affect them indirectly be a software when the check engine light comes on it can turn those systems off it's a software thing with many japanese cars.now you might try my video how to fix a bad catalytic converter Scotty and try some cleaning solution because of that doesn't work that converters on those cars cost a small fortune.If your financial institution informs you they’re closing your account because of information about you on ChexSystems, it’s important to understand what’s happening. ChexSystems i...I am the owner to a 2008 Acura MDX tech. My check emission system and sh-awd system lights r on. Its bin bout a week I took it to my mechanic. But they cudnt find da problem. Codes that came up were: P0171 fuel system B1. & P0174 fuel system B2. I have appt wit Acura dealer but I wud like to know so I won't get a bs brush off at.My sh-awd light randomly came on in my 07 mdx but not check. My sh-awd light randomly came on in my 07 mdx but not check engine light with it. The check emissions light tends to come on and then will go away for … read more. Mechanic01. 23,581 satisfied customers.It's mated to a very smooth shifting 10-speed automatic transmission with a fantastic shift-by-wire gear shift and steering wheel paddle shifters. The Type S is equipped with Acura's well-regarded ...Apr 13, 2022 · Take a look at the grounding battery cable. These often deteriorate/corrode but are hard to identify due to the sheathing. Look for green or other evidence of corrosion at the end of the sheath. There are identical replacements from Acura (about $45) & Honda (about $25) & even cheaper if bought online (about $15). 69 posts · Joined 2016. #1 · Feb 12, 2018 (Edited by Moderator) 2016 MDX Sh-AWD Adv/Enter 41K miles. Just now, the dashboard reads "Emissions System Problem". Checked the gas cap & it's fine. I filled up the gas today and I'm really good about tightening to hear the click. Other than the recent big snowstorm, I'm not aware of …ADES: Get the latest Advanced Emissions Solutions stock price and detailed information including ADES news, historical charts and realtime prices. Indices Commodities Currencies St...2024 Acura TLX. The Acura TLX is powered by your choice of a standard 272-horsepower 2.0-liter turbo 4-cylinder of an available 355-horsepower 3.0-liter turbo V6. Thankfully, SH-AWD® is available to ensure that all of that horsepower makes it to the pavement as effectively as possible. SH-AWD® distributes power perfectly to the wheels where ...How Does It Work? You can identify three parts in its systems: charcoal canisters, purge valves/catalytic converter, and unburned fuel pump. The engine will draw air from the surrounding atmosphere whenever the vehicle starts, which passes through purge valves into fuel tanks.2012 MDX, 128k miles. Last month, the car died on the highway after the "check charging system" and "check SH-AWD system" lights came on. The battery was 3 years old, so I replaced it, the serpentine belt was replaced, and the alternator was replaced. After replacing the alternator, the "check charging system" and "check SH-AWD …Emission Control System Issues; ... (FWD) and the available Super Handling All-Wheel Drive (SH-AWD), the RDX can confidently tow up to 1,500 pounds. Enhancing this capability is the Acura… Read More. 2024 Acura TLX MPG. Discover the 2024 Acura TLX—a vehicle that embodies both luxury and performance, making it an ideal choice for drivers …Apr 19, 2017 · I suddenly got a simultaneous warning on the dashboard screen of an emission control problem and a parking brake malfunction. Both show up with a bright alarm. It was preceded about 15 miles prior with a sudden freeze of the car whil pulling out of a parking space going less than one mile per hour. The car seemed to have gone into "park". The RDX Technology Package is an option package for the Acura RDX SUV that adds a number of technologically oriented options to the vehicle. This upgrade includes a power tailgate ...But our new SH-AWD A-spec test vehicle did stop from 70 mph in 170 feet, which is about par for this segment and a solid 15 feet shorter than its predecessor. Power comes from Acura's familiar ...The check emission system on an Acura MDX means it has detected a malfunction in the vehicle's emissions, ignition, fuel, or exhauSTSystems. It typically means the car's emissions control system is faulty, and the vehicle is polluting the air beyond allowable federal standards. A vehicle in this condition would fail an emissions inspection or smog check. The fuel evaporative system (EVAP ...Multiple warning lights on. So my 2011 MDX has every warning light on and is cycling thru Check trailer stability assist, Emissions system check, SH-AWD, and VSA check warning lights. Seems to be running fine. Battery is at 12.3 volts when off and 14.3 while running. Also went to Autozone and had them plug in a code scanner and got 77-1, …Read the code from the onboard diagnostic (OBD) port and is should point to the problem source or at least give a clue. Anyway - weak battery is a possibility. If in doubt, clear the code (with an OBD scanner) and see if it comes back. 2007 MDX Sport/Entertainment/Black on Black/Bunch 'o dealer options.February 13, 2024. By. John Andrew. In this article, we will discuss everything you need to know about the Check Super Handling All-Wheel Drive (SH-AWD) system in the Acura MDX. From how it works to its benefits and potential issues, we will cover all aspects of this advanced technology found in Acura’s popular SUV. Table of Contents.2012 MDX, 128k miles. Last month, the car died on the highway after the "check charging system" and "check SH-AWD system" lights came on. The battery was 3 years old, so I replaced it, the serpentine belt was replaced, and the alternator was replaced. After replacing the alternator, the "check charging system" and "check SH-AWD …I suddenly got a simultaneous warning on the dashboard screen of an emission control problem and a parking brake malfunction. Both show up with a bright alarm. It was preceded about 15 miles prior with a sudden freeze of the car whil pulling out of a parking space going less than one mile per hour. The car seemed to have gone into "park".

2024 Acura TLX. The Acura TLX is powered by your choice of a standard 272-horsepower 2.0-liter turbo 4-cylinder of an available 355-horsepower 3.0-liter turbo V6. Thankfully, SH-AWD® is available to ensure that all of that horsepower makes it to the pavement as effectively as possible. SH-AWD® distributes power perfectly to the wheels where .... Wuaint yikes

acura mdx check emission system sh awd

Dec 4, 2018 · Mljbone said: So my 2011 MDX has every warning light on and is cycling thru Check trailer stability assist, Emissions system check, SH-AWD, and VSA check warning lights. Seems to be running fine. Battery is at 12.3 volts when off and 14.3 while running. Also went to Autozone and had them plug in a code scanner and got 77-1, 41-01, PO306. 2024 MDX SH-AWD 10 Speed Automatic Featured Special Lease. $559 per month for 36 months. $4,999 Total due at signing. Includes down payment with no security deposit. Excludes taxes, titles, license and documentary service fees. For well-qualified lessees. ... The Acura Navigation System displays on the 12.3-in HD center screen.Jul 7, 2014 · 212 posts · Joined 2013. #14 · Jul 11, 2014. Check charging system = alternator. SH-AWD will disable for just about any time the car throws a diagnostic code. When I first got my MDX used, a faulty EGR valve even caused SH-AWD to go out - even though they are totally unrelated. Check SH-AWD is a warning that indicates that your Acura MDX’s Electronic Control Unit (ECU) has detected a problem, preventing you from using all four wheels. You may not be able to start or shift your vehicle correctly if you have this malfunction.Answered in 32 minutes by: Hi Sir or Madam, welcome to Pearl.com. I'm acuramstr. The light can come on for allot of reasons from a loose gas cap to an engine misfire or bad sensor. The basic rule is if the light is on solid and the car runs normally then you can drive the car until you can get the code checked that is turning the light on.5 Apr 2021 ... acura mdx emission system problem message on dash ... SH-AWD, TRACTION, CHECK ENGINE LIGHTS FIX!!! ... 2013 Acura MDX ABS, VSA, SH-AWD Lights On.6 posts · Joined 2009. #1 · Jul 3, 2012. My wife drives a 2009 Acura MDX. We bought it new and so far its been reliable with ~ 20K miles on it. However, in the past 4 weeks the "check emissions system" and "check SH-AWD system" light / warning has come on 2 times. After multiple restarts, the warning lights go away.3389 posts · Joined 2015. #10 · Aug 31, 2017. Seems that there is an issue with the SH-AWD Diff.. Should be covered under warranty. The new SH-AWD 3.0 requires Oil Pressure to apply the clutch packages (Vs 1.0,2.0 Electro Magnetic Clutch Control) so there seems to be an issue with Pressure in the Left Clutch package.Dec 17, 2008 · Service Issue - Emission, SH-AWD, VSA Codes. My 07 MDX threw several codes last night including Check Emission System, Check SH-AWD, and Check VSA. The car had almost no power and was only able to crawl up hills and achieved a top speed of 20mph going doing hill. My wife limped the car home approx 10 miles. This morning the only code left was ... Check out our comprehensive Really Simple Systems review to see if the Really Simple Systems CRM is the best software for your business. Sales | Editorial Review REVIEWED BY: Jess ...Displayed on the MID was a warning for the SH-AWD and the Emission System. I checked the messages on the information system within the navigation unit and saw the engine code P2646. Something was read about potential power losses and to bring the vehicle to an Acura shop.The 2020 Acura RDX is fitted with Acura’s fourth-generation Super Handling All-Wheel Drive (SH-AWD). Unlike most all-wheel drive systems, which are engineered to improve traction on slippery ...When I checked again the SH-AWD warning had gone away but the Emission system warning is still there. Any suggestions on what this could be? I did a bunch of …May 5, 2017 · The other way is to enter DIAGNOSTIC menu by simultaneously pressing "MAP/GUIDE"+"CANCEL"+"MENU" for few seconds until the menu appears on screen. The select "XM (HIP)" -> DTC LOGG". 2008 MDX Tech+Power TG, 177K miles, Sterling Gray Metallic. 2014 BMW 528i, 97K miles, Imperial Blue. The first thing that needs done here is to have the fault codes read out/checked to see what codes are set.Once this has been done any codes set need to be diagnosed to locate and correct this issue here.This has to be done with a scan tool plugged into your vehicle that can read all computers in your vehicle.This may be one component at fault c...Issue is 2007 Acura MDX 115k ***** *****, check engine warning light throwing P0401 "Check Emissions System" and SH-AWD warning lights. read more HONDASERVICE7791.

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