2016 acura mdx emissions system problem

2 Blind Spot Detection problem. Transmission issues with my 2016 Acura Mdx slipping into neutral and staying there while driving at high speeds on interstates. This could've caused injury to myself, my passengers, and other drivers on the road due to the high speeds. Without being to able to accelerate when needed, it could've resulted in harm.

How to Fix Emission System Problems in Acura MDX. Step 1: Check the Gas Cap. Step 2: Inspect the Oxygen (O2) Sensors. Step 3: Examine the Catalytic Converter. Step 4: Inspect the EGR Valve. Step 5: Check the Air Injection System. Step 6: Inspect the EVAP System. Step 7: Perform a Diagnostic Scan. Preventive Measures to Maintain a Healthy ...I have had the same thing with my ‘19 MDX. Replaced the battery twice, took it to the dealership multiple times. Battery sensor was replaced but always got “charging system problem” and “auto engine idle stop system problem” errors with the lights and controls on the steering wheel intermittently going out.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.4 Differential Unit problem of the 2011 Acura MDX. Failure Date: 06/01/2012. While driving on highway the car the began shaking followed by a booming sound- similar to a tire explosion - and eventually tires locked up causing vehicle to skid. Dealer repair shop diagnosed as a "rear differential failure" and repaired.2018 MDX Sport Hybrid -- Check emissions system/ electric parking brake issue. ... I immediately called my old dealer and he said codes P0456 and P0455 meant "evap canister system problem", probably a leak in the hoses and bing it in to them. ... Acura MDX SUV Forums. 734.5K posts 86.3K members Since 2000 Acura MDXers Forum - a community where ...February 7, 2023. A 'check charging system' light on your Acura is often an indication that your vehicle is running solely on the battery charge and only a matter of time before it runs out of charge. The warning is often triggered by a failed alternator, broken serpentine belt, or loose battery cable connection.- Dhamaal 94. In this article, we will discuss the common issue of the "check emission system" message on the dashboard of a 2014 Acura MDX. Many owners have

1 post · Joined 2023. #10 · Mar 15, 2023. I have a 2016 mdx and I have a transmission system problem message coming on. Sometimes it doesn't come on at initial start and sometimes it does come on. The dealer told me they don't see an issue with the transmission, but told me to change the trans. fluid. I did that now, but the tsp still comes …2 What Does Emission System Problem Mean On Acura Mdx 2022-07-30 and mechanical controlled systems play the fundamental role in the modern society. No one can doubt the essential fact that the electric power industry is undergoing restructuring and the competitive markets will take place of theMy 2014 Acura MDX Tech Adv PKG SUV started giving "Emissions System Problem" since this morning. At first it didn't allow me to drive more then 50miles but after a while keeping the engine running, I let me drive Highway speed limit of 70-80 but the Engine Light still being appeared. Any advise would help me and greatly …Electric Parking Brake Problem and emissions system problem warning came on for my 2019 mdx. I never used it since - Answered by a verified Mechanic for Acura. ... Transmission problem Acura MDX. 2016 mdx 108k on hwy. The transmission went into neutra it said transmissi problem for ove. I pulled over.The “Check Emission System” message on your Acura MDX dashboard is an indication that there is a problem with your vehicle’s emission system. The emission system is …

Nov 11, 2010 · I got the emission light and SH-AWD warning this morning on my 08 MDX. It seems like other people have fixed the issue by: 1. filling up with premium fuel & tightening the gas cap until you hear 5 clicks. 2. cleaning/replacing the EGR Valve. What Does Emission System Problem Mean On Acura Mdx Chilton's Guide to Emission Diagnosis, Tune-up and Vacuum Diagrams, 1984-87 [i.e. 86] Domestic Cars Department of Transportation and related agencies appropriations for 1989 Acoustic Emission/Microseismic Activity Proceedings of the National Seminar on Applied Systems Engineering and Soft ...2016 Acura MDX Emissions System Problem - Q&A. Ask an Expert. Car Questions. Acura Repair. 2016 mdx states emission system problem can I safely …ACC, CMBS & LKAS systems shutting down. I own a 2017 MDX Tech. We travel a lot and put on about 20,000miles/yr. We enjoy the vehicle and have been trouble free until lately. The problem I am having is with the Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS) and sometimes the Lane Keep Assist System (LKAS) will go out ...It could be something simple like a bad sensor or something more serious like transmission issues.If you have any other questions or concerns regarding this issue, please don't hesitate to ask. Thanks for choosing Just Answer and enjoy your weekend. Ask Your Own Acura Question. Anthony P. 4,757 Satisfied Customers.Top 10 Problem Trends. 2022 Jeep Gladiatoroil smoke on first start up; 2017 Ford Edgecoolant leak into cylinder; 2016 Hyundai Sonataexcessive oil consumption; 2014 Ram 1500power steering failure ...

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It displayed three errors: "Emission System Problem", "Blind Spot Info System Problem", and "Transmission System Problem". It would start, and when I put it in drive mode, it would drive in the first gear (automatic without any acceleration), but when I pushed the accelerator, it would start jerking and shaking around a speed of 8mph.9 Adaptive Cruise Control problem of the 2017 Acura MDX. Failure Date: 11/17/2021. Driving east on interstate 20/59 10 miles east of meridian, ms November 17, 2021 around 2:00 pm. A lot of trucks on the road. Had speed control set at 69 mph. Came up behind a semi doing about 65, pulled over to the left lane to go around him.Sometimes, for no apparent reason, computer ports simply stop working or start to turn themselves on and off. This can make running peripherals like printers, scanners and memory s...103 posts · Joined 2016. #8 · Oct 4, 2016 (Edited) Got the car back yesterday. Turned out it was the filler tube, the electric parking brake issue was just a sensor that was inline with this one. Part they replaced was 17650-tZ3-A01. The rear deck lid spoiler fits perfect now, no gap, the way it should be.

Oct 13, 2016 · If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replaced the air filter and clean the air flow meter. If the problem persist the front oxygen (O2) sensor may need to be replaced. Your Acura MDX's brake light indicator is there to inform you of an issue with your vehicle’s brake system. It is a light different from the anti-lock brake system, which has its own ABS warning light. The brake light indicates a problem with the physical braking system itself. Check the Emergency Brake First If you.140,000 miles. A D V E R T I S E M E N T S. The contact owns a 2016 Acura MDX. While turning the vehicle, the steering wheel became difficult to turn. There were no warning indicators illuminated ...May 19, 2023 · Simply follow these easy steps to reset the check emission system in your Acura MDX: Remove the key and turn off the ignition. Find the car’s battery by lifting the hood. To remove the cables from the positive terminal, use a wrench. Put the keys in the ignition and get back into the car before turning the system “ON”. 2 What Does Emission System Problem Mean On Acura Mdx 2023-10-03 programs and standards in the United States, Canada, Europe, and Asia Offers practical guidance on sampling system selection, measurement techniques, advanced monitoring approaches, recordkeeping, and quality assurance Provides detailed technical140,000 miles. A D V E R T I S E M E N T S. The contact owns a 2016 Acura MDX. While turning the vehicle, the steering wheel became difficult to turn. There were no warning indicators illuminated ...Poor acceleration. The most obvious sign of clogged catalytic converter in Acura MDX is slow acceleration or degraded engine performance. When you press the gas pedal from a stopped position, the vehicle may accelerate normally initially. But after reaching a certain speed, the performance of the engine will drop due to blockage of …Mar 21, 2024 · The check emission system message on a Honda or Acura means that there is an issue with the emission system. The most common reasons for this are a loose gas cap, faulty oxygen sensor, exhaust leak, intake leak, or dirty air filter. However, you want to diagnose the issue with an OBD2 scanner before doing any repairs.

Transmission problem Acura MDX. 2016 mdx 108k on hwy suddenly no power a. The transmission went into neutra it said - Answered by a verified Mechanic for Acura. ... emissions system problem. I have a 2017 Acura MDX with 56k miles. Lights came on at the end of an 8 hour ...

4 posts · Joined 2015. #1 · Apr 24, 2015. We just got '16 MDX last week and just finding out about these terrible radio/audio issues. I'm surprised this hasn't been discussed here. I think this is major issue, I've just read in other forums that it's a common issue with Honda/Acura audio systems. The main issue is, the bluetooth delay.145 posts · Joined 2008. #1 · Jan 18, 2021. Bought a CPO 2017 MDX Advanced end of December. It was back a week later for a battery replacement, then another week later for a weeks time for replacement of the remote keyless module (all covered under CPO). I've been getting the problem message for the ACC/LKAS/CMBS/RDMS randomly but pretty ...I had the exact same issue on a brand new MDX 2022 sh-awd with 300 miles on it. Although somewhat disappointed, at least relieved that it is just a software issue. I just sold my extremely reliable 11 year old CR-V and upgraded to an MDX. In general, brakes are probably the worst part of the new MDX, they feel very soft and mushy.I had the exact same issue on a brand new MDX 2022 sh-awd with 300 miles on it. Although somewhat disappointed, at least relieved that it is just a software issue. I just sold my extremely reliable 11 year old CR-V and upgraded to an MDX. In general, brakes are probably the worst part of the new MDX, they feel very soft and mushy.17 posts · Joined 2016. #5 · Jan 15, 2023. I have a 2018 MDX with a 9 speed transmission that has a "dead" gas pedal. The car will not go into first gear when depressing the gas pedal, but with continued pushing of the pedal it will abruptly engage, causing the car to lurch forward. The dealer couldn't correct it and after reading your post ...A new analysis suggests migraines are in some ways more like IBS than anything else. Current treatment for migraines is eclectic by necessity of the mystery of the disease, and inc...BRAKE SYSTEM Brake system problem. Brake performance may be reduced. ... 2016 MDX Advance White/ Parchment. 2017 MDX Advance Gray/Gray ... Acura MDX SUV Forums. 735.1K posts 86.4K members Since 2000 Acura MDXers Forum - a community where enthusiasts discuss engines, tires, service and everything you …Also requires 422 California Emissions System. REQUIRES 422. 422 California Emissions System Required on units for California, Maine, Massachusetts, New York and Vermont registration. ... Acura MDX SUV Forums. 734.5K posts 86.2K ... (2007-2013) General Discussions Third Generation MDX (2014-2020) First Generation MDX (2001-2006) Problems. Top ...4. All-wheel drive problem. 5. Hill start assist problem. Upon scanning, the fault codes that appeared are U0401-68 for the electric parking brake EPB (Malfunction of Powertrain Control Module (PCM)), and a second fault code also U0401-68 for the Electric Servo Brake System ESB (U0401‐68 PGM‐FI / ECM / PCM system failure).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.

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This Acura MDX can be yours today! If you have bad credit or no credit, we can help! Call us today at ! 2016 Acura MDX SH-AWD Sport Utility 4D Price: $13,399.00 Year : 2016 Make: Acura Model: MDX... CL. sacramento > for sale by dealer > cars+trucks. post; account; favorites. hidden. CL. sacramento > cars & trucks - by dealer ...I have bought a brand new 2016 Acura MDX in February, 2016. On June 20th, I had the first experience of the problem with dashboard showing that there is Transmission, Emission, and all other system problem. The car stopped on the road. Later it started but continue to flash the warnings.The codes came back. Found my positive battery terminal is loose. Tightened it up and they disappeared. ALL MDX OWNERS TAKE NOTE!!!!! I have had failure lights on multiple MDX's and multiple times per MDX. It was ALWAYS loose terminals or bad battery. CHECK YOUR CHARGING SYSTEM, Battery, and terminals BEFORE anything else when you get failure ...PRICE AS TESTED. $58,000 (base price: $45,785) ENGINE TYPE. SOHC 24-valve V-6, aluminum block and heads, direct fuel injection. Displacement: 212 in 3, 3471 cm 3. Power: 290 hp @ 6200 rpm. Torque ...For 2016 MDX there’s a recall for DTC P0657 which requires a software update. The driver has to turn the car off then back on to get the car to work at all apparently is the …The 2015 Acura MDX has 2 NHTSA complaints for the fuel/propulsion system at 72,600 miles average. ... 2016; 2015; 2014; 2013; 2012; 2011; 2010; ... Emissions system problem light is coming on and ...ACC, CMBS & LKAS systems shutting down. I own a 2017 MDX Tech. We travel a lot and put on about 20,000miles/yr. We enjoy the vehicle and have been trouble free until lately. The problem I am having is with the Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS) and sometimes the Lane Keep Assist System (LKAS) will go out ...Ask Your Own Acura Question. The code was P0420. Mechanic for Acura: Roy Sheidenberger. Okay that code is for the catalytic converter in the exhaust system. If not working correctly it will set the code and light. Ask Your Own Acura Question. I think I will try Cataclean to see if that resolves the issue.Rough shifting in Acura MDX can be resolved by changing the transmission fluid and filter. Dirty or old fluid can cause the transmission to shift roughly, so a fluid flush and filter replacement can improve shifting performance. Additionally, adjusting the transmission bands and performing a software update may also help eliminate rough ...Warning light says transmission system problem and blind spot info system problem 2017 Acura MDX came on yesterday - Answered by a verified Mechanic for Acura ... Second opinion] 2016 mdx acura , after going through car was 2 alarms down. ... emissions system problem. I have a 2017 Acura MDX with 56k miles. ….

134 posts · Joined 2021. #1 · Feb 13, 2022. Hey all, The Parking Brake System Problem and Emissions System Warning lights both came on today. The LCD screen would alternate between showing the 2 warnings. It says my Parking Brake is unavailable, but it actually works just fine. It engages and disengages when I push the lever.If your Acura MDX is displaying Check SH-AWD, it means that the system has detected a problem with the Electronic Control Unit (ECU) and will not allow you to use all four wheels to power the vehicle. ... To determine the cost of the Check SH-AWD System on Acura MDX, we need to consider the following: Cost of service; Cost of parts; Labor costs;MDX Emission Light and SHW Light Trouble I dealt with this problem for the past 4 months. The car drives fine. It's just the light is annoying. Before I took to the dealer, I decided to pull one last ditch effort to see if trouble clears and it worked: Add 2 bottles of gas treatment into one fill up, run til 1/4 full. Repeat with another 2 bottles.Shut off the MDX and check the oil after at least 2 minutes (This will allow the oil to drip back to the oil pan). 2.-. Remove the dipstick and the oil should be anywhere in between the 2 holes of the dipstick. 3.-. If the oil is reaching the lower hole, add oil until is between or a little bit closer to the top hole.The cost of repairing a transmission problem in a 2016 Acura MDX can vary depending on the specific issue and the extent of the damage. In some cases, a minor repair, such as fixing a fluid leak or replacing a faulty sensor, may be sufficient and relatively affordable. However, more severe transmission problems may require a complete ...I had the exact same issue on a brand new MDX 2022 sh-awd with 300 miles on it. Although somewhat disappointed, at least relieved that it is just a software issue. I just sold my extremely reliable 11 year old CR-V and upgraded to an MDX. In general, brakes are probably the worst part of the new MDX, they feel very soft and mushy.Jun 24, 2022 · Some Acura owners report that soon after getting the “check emission system” warning message, they get another warning message about their fuel cap. When you see the “Tighten Fuel Cap” message on your Acura, it means that the fuel cap is not tight enough. This can cause problems with your car’s engine and lead to decreased fuel economy. How to Fix Emission System Problems in Acura MDX. Step 1: Check the Gas Cap. Step 2: Inspect the Oxygen (O2) Sensors. Step 3: Examine the Catalytic Converter. Step 4: Inspect the EGR Valve. Step 5: Check the Air Injection System. Step 6: Inspect the EVAP System. Step 7: Perform a Diagnostic Scan. Preventive Measures to Maintain a Healthy ...This page is meant to help you troubleshoot the Acura MDX P0420 trouble code. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table 2016 acura mdx emissions system problem, Owners of the 2017 Acura MDX have reported several transmission issues, including rough shifting, slipping, and jerking. These issues can occur when accelerating, decelerating, or changing gears. In some cases, the vehicle may also experience delayed engagement when shifting from park to drive or reverse. One of the most common causes of these ..., Not going fast. Then, suddenly the initial torque application at throttle tip-in (hybrid car) disappeared. Of course, with enough throttle, the ICE comes alive. So I could drive the car. I pulled over and restarted the car and msg went away. Very strange. 1. 2020 Acura MDX Sport Hybrid Advance. 2014 Mercedes Benz E250 Diesel., Hello, sounds like a possible concern with automatic transmission operation or vehicle stability control (VSA) functionality. Diagnostic testing is needed prior to driving the vehicle further, as you can cause more problems by continuing to operate the vehicle in this state, not knowing what is going on., 2016 Hyundai Sonata Plug-in Hybrid Review & Ratings - Edmunds.com 2017 Toyota Mirai Review & Ratings - Edmunds.com 2019 New SUVs: The Ultimate Buyer's Guide - MotorTrend ... emission-system-problem-acura-mdx 3 Downloaded from gw-ca.addefend.com on 2019-05-19 by guest through such channels as websites, chat rooms, and instant messages."--, Updated on April 8, 2024. When the check emission system light comes on, it's important to address the problem as soon as possible. The vehicle may enter a safe mode to prevent excessive pollution, you could get fined by the police, or if the problem is a clogged catalytic converter, it could blow out your turbocharger., Rotate your tires at least three times per year. 2016 Acura MDX SH-AWD 3.5L V6. See all videos for the 2016 Acura MDX. This free video provides the steps to diagnose and clear a check engine light on a 2016 Acura MDX SH-AWD 3.5L V6. The video also provides steps on how to read the 2016 Acura MDX SH-AWD 3.5L V6 trouble code., Technical Service Bulletins (TSBs) for the 2020 MDX are official communications between Acura & their dealerships that describe processes for troubleshooting or fixing certain common problems. All ..., 2016 mdx states emission system problem can I safely drive with that on ... 2016 Acura MDX "Transmission System Problem" and "Emission System Problem" ..., The Check Emission System warning light in your Acura MDX is an important indicator that there is a problem with your vehicle’s emissions control system. …, Diagnostic trouble code(DTC) P2422 stands for "Evaporative Emission System Vent Valve Stuck Closed.". When the PCM detects that the valve is stuck, on-board diagnostics (OBD) will log a P2422 code. The EVAP system's vent valve is normally open. It only closes when the PCM initiates a test as part of the mandated OBD-II standards., WebEmission System Problem Acura Mdx emission-system-problem-acura-mdx 3 Downloaded from gw-ca.addefend.com on 2019-05-19 by guest through such channels as websites, chat rooms, and instant messages."--Jacket. ... WebEmissions System Problem Acura Mdx Repairing Aluminum Wiring 1998 Commercial Truck Success Terry Minion 2016-01-15 This book is the, Common reasons: catalytic converter problems, oxygen sensor faulty, issues with fuel combustion. How to fix: read the codes, inspect the emission system units. …, Hello, sounds like a possible concern with automatic transmission operation or vehicle stability control (VSA) functionality. Diagnostic testing is needed prior to driving the vehicle further, as you can cause more problems by continuing to operate the vehicle in this state, not knowing what is going on., The cost of fixing the "Check Emission System" message on Acura MDX depends on the cause of the problem. If the issue is caused by a loose fuel cap, it can be fixed for free. However, if the issue is caused by a defective EVAP system or other damaged parts, the cost can range from a few hundred to a few thousand dollars., The 2018 MDX Hybrid (which we review separately) is a bit pricey at $52,100, though it comes richly equipped with added entertainment features, more active safety systems, and a sport hybrid version of Acura's all-wheel-drive system. This hybrid launched for 2017, so it isn't available as a 2016 model., The check emission system light on your Acura indicates that there is a problem with the vehicle's emissions control system. This system is responsible for regulating and reducing the pollutants released from the exhaust system. When this light comes on, it means one or more components related to the emissions system is malfunctioning., This page is meant to help you troubleshoot the Acura MDX P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents, The 2018 Acura MDX has 76 problems & defects reported by MDX owners. The worst complaints are accessories - interior, electrical, and engine problems. ... 2018 Acura MDX. ... miscellaneous problems NHTSA: 9; brakes problems NHTSA: 8; fuel system problems NHTSA: 6; exterior accessories problems NHTSA: 6; wheels / hubs problems NHTSA: …, Max1970 Discussion starter. 1 post · Joined 2020. #1 · Sep 13, 2020. Every time I drive on freeways for about 20 minutes, my 2016 MDX that is four years old shows "transmission system problem", I can still drive. After you turn off the car and turn it on again, the problem disappear. I don't drive freeways often, and the problem first ..., Lmao this just happen to me. I did notice my gas was low. This is the first time I had emissions or parking brake issue come up and the first time I had my gas close to E. normally I refill it when its half way. So I went put in some gas. Turned the car back on. Codes gone. 2015 Acura TLX V6 3.5L, Crystal Black Pearl., Nov 11, 2010 · I got the emission light and SH-AWD warning this morning on my 08 MDX. It seems like other people have fixed the issue by: 1. filling up with premium fuel & tightening the gas cap until you hear 5 clicks. 2. cleaning/replacing the EGR Valve. , The check emission system message on a Honda or Acura means that there is an issue with the emission system. The most common reasons for this are a loose gas cap, faulty oxygen sensor, exhaust leak, intake leak, or dirty air filter. However, you want to diagnose the issue with an OBD2 scanner before doing any repairs., One of the most common emissions system problems with the Acura MDX is a faulty oxygen sensor. The oxygen sensor is responsible for monitoring the amount of …, When there is a large leak in the Acura MDX’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 MDX has a small EVAP leak. While the trouble code may state that there is a “large leak” in …, The 2015 Acura MDX has 4 NHTSA complaints for the engine at 24,250 miles average. ... Multiple engine lights go off: Check engine, emission system problem, all wheel drive system problem, power ..., 2016 MDX, 65k miles. AWD System Problem starting appearing randomly when driving with no obvious symptoms. Dealer said they needed more codes but suspected speed sensors or differential fluid pump. The receipt says DTC code for high temp differential but my problem alert doesn't flash which I read it would for a heat issue., 2014 Acura Mdx Emissions System Problem 2014-acura-mdx-emissions-system-problem 2 Downloaded from w2share.lis.ic.unicamp.br on 2022-07-24 by guest paintings eventually found their way into the ducal collection in Schwerin, Germany. Among them is the magnificent portrait of Clara, an Indian rhinoceros who became a celebrity in mid-eighteenth ..., I had the exact same issue on a brand new MDX 2022 sh-awd with 300 miles on it. Although somewhat disappointed, at least relieved that it is just a software issue. I just sold my extremely reliable 11 year old CR-V and upgraded to an MDX. In general, brakes are probably the worst part of the new MDX, they feel very soft and mushy., Lemon Law. CarComplaints.com Notes: 2015 Acura TLX owners just want a transmission that can get from 1st to 5th gear without feeling like a washing machine full of bricks. A class-action lawsuit ..., Third-generation MDX (2014, 2016, and 2017 model years) Among all the MDX models you should avoid, 2014 is the worst. Aside from the transmission problems it is bound to develop, it also has many engine problems that happen early in the vehicle’s life. The 2016 and 2017 models inherited similar issues from the 2014 model but with …, Go ahead and loosen the nut on the negative terminal. Then, carefully remove the connector. After you disconnect, just give it a quick 30 to 60 seconds. Then, simply reconnect the negative connector and tighten the nut. This should have reset the light. Turn on the ignition and see if the “Check Emission System” light is still on., Yes, the Toyota Rav4 2016 is an excellent choice for families due to its spacious interior, ample cargo room, and advanced safety features. ... Common emissions system problems with the Acura MDX: What you need to know. SUVs 3 months ago. Toyota Rav4 Lunar Rock: A New Color Option that Rocks the SUV World., The fuel injectors atomize the fuel and spray it into the engine. If they get clogged, then your Acura will not run as it should, and the fuel-air ratio will be off, causing the engine to run lean. As a result, your Acura will display "check emissions system.". When they get dirty and stop working properly, it can cause codes such as P0456 ...