Check emission system acura español

All-Star: MVP: Acura Master. 14,092 Answers. Re: 2011 Acura TL (Base). Check Emission System light on,... SOUND LIKE LOOSE OR MISSING GAS CAP.IF ALL LOOKS GOOD TAKE VECHICLE BACK TO DEALERSHIP VECHICLE STILL UNDER FACTORY WARRANTY. Posted on Mar 22, 2011. Helpful 1.

Here’s how to turn off the Acura warning light for the Check Emission System. One after the other, turn the engine on and off three times. If the warning light does not turn off, you must turn off the engine and deactivate the battery. As the engine is off, remove the battery’s positive (red) power connection.19/05/2021 3:51 pm. Topic starter. I have a 2011 Acura TL front wheel drive with about 170,000 miles. The Check Emission System Light is on. I brought this into a mechanic who said that I'll need to replace the catalytic converter... which is about a $1200 job. I was listening to Scotty's video on driving at high rpms and I've noticed that when ...80 posts · Joined 2012. #1 · Jun 10, 2013. My 06 TSX won't start sometimes (randomly) and happened 2 times yet. 1st time : everything is working and sounds good, but the car will just crank and crank while displaying ''Check emission system'' on the MID. I saw my engine head breather was disconnected from my injen intake so I reconnected it ...Check Brake, ABS, VSA, Power Steering System. Tried to restart the car, nothing. I waited in the car reading forums, after 5 minutes I tried to restart - nothing. Then kept reading someone hinted it could be the battery, tried again in 10 minutes, this time it barely cranked.So I just swapped it for a TB out of a TSX with a 109k miles. And when I started the car the VSA and Check Emissions light came on within the first few seconds and the car was idling high. Wondering where to go from here. I'm reading that the idle relearn procedure is necessary when replacing the TB. I installed this part with the battery ...

19 posts · Joined 2015. #21 · Jun 7, 2015. Tighten fuel cap has been an issue since at least 2010 on Acuras. My 2010 TSX had this happen 3-4 times within the first 6 months then went away. The 2013 RDX had it happen once or twice again, within the first few months. The longest the message stayed on was 1-2 days.Step-by-Step Guide to Resetting Check Emission System Acura TSX. Before attempting to reset the check emission system warning light, it's crucial to diagnose the underlying issue, if any. The warning light might indicate a problem with your catalytic converter, oxygen sensors, or other components of the emission control system.In an evaporative emission control system, the purge valve works by controlling the amount of vapor from the charcoal canister. In modern cars, the engine computer controls the pur...An Acura RDX Emission System Diagnosis & Testing costs between $44 and $56 on average. Get a free detailed estimate for a repair in your area. ... That being said, there are many components that can be easily diagnosed and repaired, but, in general, check engine light diagnosis and emission system diagnosis should be left to a professional if ... I have a 2005 Acura RL. The check emission system light comes on after I fill up with gas and goes away when the gas gage is less than half full. I took it to Acura dealer while the light was on. They found a code p0401. They recommended replacing the EGR valve and injectors for $1211.00. The light do not stay on all the time so I wondering can ... When this warning indicator light comes on in the dashboard, this could be an indication of several issues such as faulty wheel speed sensors, a faulty steering angle sensor, a faulty rotational speed sensor or a problem with the steering rack. In some cases, the traction control system may simply need to be reprogrammed.CCTV camera coverage of all VICS stations addresses the transparency elements. Seven key tests including brake, alignment, noise, emission, headlight, suspension and visual inspections are being performed by using world certified equipment. District and Stations. VICS Stations are operational in the districts enlisted below: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.

Check Emission System Light On - Should I bring my car to a dealership? Most likely take it to a dealer but if you don't have an OBD2 scanner take it to autozone real quick so you at least have an idea what the code is for. Acura MDX 2011 - 137k miles.Help: Check Emissions Light Acura RDX. Hello, first time posting, looking for some advice on my 2011 Acura RDX. A few weeks ago the "check emissions light turned on and my AWD deactivated. I took it to Auto Zone and their code reader said I had a faulty turbo boost sensor. Took it to the local Honda dealership, who claimed this wasn't the ...Are you a member of the Social Security System (SSS)? If so, it’s important to regularly check your contribution to ensure that you’re on track for retirement. Luckily, the SSS has...Table of Contents. If you see the "Check Charging System" warning light on your Acura, it could mean one of several things. There could be a problem with the battery or alternator. The check charging system light is off, but the battery is dead. It could be a bad alternator, but if you recently replaced it, there may be another cause. TL. 2010. The 2010 Acura TL check emission system light on means the purge valve is bad. The evap canister, also known as the purge valve, on the car is located to the left of the brake booster and master cylinder on the driver side firewall. The EVAP canister is filled with activated charcoal and is designed to catch the emissions that are put ... All-Star: MVP: Acura Master. 14,092 Answers. Re: 2011 Acura TL (Base). Check Emission System light on,... SOUND LIKE LOOSE OR MISSING GAS CAP.IF ALL LOOKS GOOD TAKE VECHICLE BACK TO DEALERSHIP VECHICLE STILL UNDER FACTORY WARRANTY. Posted on Mar 22, 2011. Helpful 1.

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If you watch my previous video titled Check Emission System Warning Engine Light On, we've replaced the Air Cleaner Intake Hose Fits and the warning was only...im bone stock.....it was weird, i parked the car for 8 hours, cranked it and the check emissions system came up.....and i filled in gas like 4 days ago.....then went to the dealer and they said they "fixed" it, but the light came back on . Save ... funny though, the acura techs never told me that it will take 3 days to neutralize .Follow these steps to turn off your Acura TSX's check emission system warning light: Turn off the ignition switch and let the engine cool down. Locate the battery in your car. Find the positive (+) and negative (-) terminals on the battery. Locate the "negative" (-) end of the cable. Unscrew the nut on the negative connector and detach it.Diagnostic Specialist. Transportation Technology... 361 satisfied customers. Check engine on, sometimes shawd Acura RDX. At first it. At first it shook a little and I think all the lights came on, but shut it down and check engine is only on sometimes also … read more. LeadTech88.Here's how to turn off the Acura warning light for the Check Emission System. One after the other, turn the engine on and off three times. If the warning light does not turn off, you must turn off the engine and deactivate the battery. As the engine is off, remove the battery's positive (red) power connection.

A dirty cabin air filter could be the culprit. Coolant hoses wear out over time and need to be replaced - check 'em early and often. This free video provides the steps to diagnose and clear a check engine light on a 2014 Acura RDX 3.5L V6. The video also provides steps on how to read the 2014 Acura RDX 3.5L V6 trouble code.Check emission and sh-awd lights came on at the same time. no drive to rear wheels. 2007 acura rdx check emission - Answered by a verified Mechanic for Acura. We use cookies to give you the best possible experience on our website. ... 2008 Acura RDX Check emission system & SH-AWD lights are on. I noticed in one of these threads about the same ...The Next time the CHeck Engine Light Comes On This would apply to anyone with a new Acura, or a new car in general. Be extra careful when you filler up at you local gas station to make sure the gas cap goes back on properly and you hear several clicks. It has to do with emission sensors that are coupled with the gas tank.What Does Check Emission System Mean. Whenever the check emission system’s light turns on, it simply means the car’s emissions control system is bad and there’s air-polluting gas like carbon mono oxides coming from the vehicle, which is beyond acceptable federal standards. But if the car is working smoothly, and doesn’t show any …Emission Control System Reset on Acura MDX: Step 1: Turn off the car and remove the key.; Step 2: Open the hood, locate the battery, and disconnect the cables from the positive terminal using a tool (like a wrench).This disconnects the power to the dashboard. Be careful to avoid electric shock. Step 3: Return to the car, insert the key, …Overview of Acura MDX Emission System: A lot goes into the Acura MDX emission system. Although many automobile owners neglect the emission system, knowing its relevance and complexity may reveal a vehicle's performance and environmental effect. A cutting-edge emission control technology reduces air pollution in the Acura MDX. Understanding ...3. Fouled spark plugs or spark plug wires. The check engine light on your Acura may also have been triggered by faulty spark plugs or spark plug wires. Your engine's air and fuel mixture can't be ignited without spark plugs, and the spark plug wires carry electricity from the ignition coil to the spark plugs."Check Emissions System" light. ... tsxclub.com is an independent Acura enthusiast website owned and operated by VerticalScope Inc. Content on tsxclub.com is generated by its users. tsxclub.com is not in any way affiliated with Honda Motor Company VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada ...

Help with “check emission system” on 2009 MDX. I posted here before about this issue but I never got it resolved. I own a 2009 MDX and after replacing my radiator (approximately 1.5 years ago), immediately had the “check emission system” light come on. The mechanic that did the work said something about needing a pigtail to fix it.

Jul 19, 2014 · 1206 posts · Joined 2004. #6 · Jul 20, 2014. Your car is probably in "limp" mode, in which it won't allow you to accelerate past a certain speed/rpm in order to preserve the engine. To get your codes read, take it to a shop or buy a OBD-II scanner from your local automotive shop, and plug it into the OBD-II port located underneath the ... The alerts were: All-Wheel Drive: 77 - All-Wheel drive system may not be working properly. Emissions System P2251 - There may be a problem with the emissions system. Later when I got home, I read the codes using my ODB2 reader. I found: P2251. P0134. It looks like the P2251 and P0134 codes are related to the O2 sensor.An Acura emission system problem may occur because of a faulty or loose fuel cap. But it can also be triggered by debris or dirt in your fuel system. For instance, your fuel filter may be clogged or your fuel pump has damage. Just as with condensation or water, it is very critical to have this problem resolved sooner than later.Unfortunately the reductant system is a problem at some time or another on all the trucks. Best advice would be to get a monitor, Banks idash, or Edge cts3 so you know what the trucks doing regen wise, can check and clear codes, etc. I'd have all the fluids replaced also if you haven't already.-Dash shows check emissions when the car turns on ... brake systems, emissions system lights-red battery light-red oil light-intermittent CEL . Reactions: evil804, Wildcat and ... then car would crank but not start. I couldn't figure out problem so I towed it to Acura 'stealership'. They found the bad fuse and replaced it and ONLY charged me ...Jan 29, 2024 · How To Reset Check Emission System Acura MDX? The following are the fundamental methods for resetting the check emission system light on an Acura MDX: Check that the ignition is turned off. Do not turn on the engine. Under the driver’s side dashboard, look for the diagnostic port. It will be a rectangular 16-pin port. There are a few reasons why your Acura is telling you to check the emission system. A loose fuel cap or a faulty emissions control system are the two most common reasons. If you don't pay attention to the warning message, you could be fined or even have your car seized. The emission system might be checked if there is a problem with the fuel ...Unfortunately the reductant system is a problem at some time or another on all the trucks. Best advice would be to get a monitor, Banks idash, or Edge cts3 so you know what the trucks doing regen wise, can check and clear codes, etc. I'd have all the fluids replaced also if you haven't already.

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I had the same issue with my Acura 2016 TLX V6 Tech. Check engine light - ON (Check Emissions), Brake Light - ON, P0420 & P0430 codes from OBD reader. An Acura Dealer in middle GA installed a software update which seems to address this issue. This is after a Honda dealer in GA quoted me $1.7K for a cat converter.The Check Emission System Warning is of utmost importance as it indicates potential issues with your vehicle's emission control system. The emission control system plays a crucial role in reducing harmful pollutants released into the atmosphere by your vehicle. By monitoring and maintaining the health of this system, you contribute to the ...Step-by-Step Guide to Resetting Check Emission System Acura TSX. Before attempting to reset the check emission system warning light, it’s crucial to diagnose the underlying issue, if any. The warning light might indicate a problem with your catalytic converter, oxygen sensors, or other components of the emission control system.How to fix the honda pilot emission system problem. 1st Step: Examine the air filter in the cleaning system. This paper element helps to remove dirt, dust, and other foreign particles from the engine’s air stream. The filter should be replaced if it becomes clogged or after one year of usage. Clean the dust and grime from the air filter ...In conclusion, if you visit a "check emission system" lighting in your 2010 Acura TSX, don't ignore it. Schedule a scheduled appointment with a trusted mechanic and obtain it fixed promptly. This can make sure that your car is running well, efficiently, and eco-helpful. Knowing the 2010 Acura TSX Emission System: Causes and OptionsStep 1. Drive the car to a secure and empty park/location. Step 2. Once you arrive, switch off the check engine lights and turn them on again. Repeat these steps three or four consecutive times. That should fix your problematic Acura MDX Emissions light - but only if the defect is minor (the latter part is important!).3. Fouled spark plugs or spark plug wires. The check engine light on your Acura may also have been triggered by faulty spark plugs or spark plug wires. Your engine's air and fuel mixture can't be ignited without spark plugs, and the spark plug wires carry electricity from the ignition coil to the spark plugs.But yesterday, the next thing happened is the "Check emission system" turn on. I don't know why. My car just 2400 miles and oil still yellow. Oil just 50%. ... Check Emission System Acura Mdx nj2pa2nc . 2008-10-06 04:25:19 UTC. take it to the dealer-it is under warranty. ...A malfunctioning EVAP system, such as a leaking purge valve or damaged canister, can cause the check engine light to illuminate and increase emissions. 5. Leaking or damaged exhaust system. If there’s an exhaust leak anywhere in the exhaust system, the warning lights can come on the dash. ….

Sent from my iPhone using Tapatalk. It flashes back and forth between the parking brake, and the emissions. Pretty strange. Definitely get it checked then. I was thinking that it may have been a one time thing. Dropped the car off this morning, also asked them to tighten up the aero skirts, and look at the rear spoiler gap. Fortunately there ...19/05/2021 3:51 pm. Topic starter. I have a 2011 Acura TL front wheel drive with about 170,000 miles. The Check Emission System Light is on. I brought this into a mechanic who said that I'll need to replace the catalytic converter... which is about a $1200 job. I was listening to Scotty's video on driving at high rpms and I've noticed that when ...This can be a cause for concern, as emission system issues can lead to decreased fuel efficiency, reduced engine performance, and even potential damage to the environment. In this article, we will explore what the “Check Emission System” warning means, its possible causes, and how to address the problem to keep your Acura …In today’s fast-paced world, convenience is key. Whether it’s ordering groceries online or scheduling appointments with a few clicks, people are constantly looking for ways to simp...One of the most commonly misunderstood lights or indicators in your Acura ILX is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in a few different ways. It can say "Check Engine", it can be a symbol of an engine, it can even be a combination of both. This light illuminates in either an ...Find the Negative Terminal: Your car battery has a negative terminal that is usually indicated by a (-) sign, as opposed to a (+) sign. Remove the Negative Connector: You'll need to loosen the negative nut before you remove the negative connector. Wait, then Reconnect: Wait 30-60 seconds with the connector out then place it back in, securing ...The alerts were: All-Wheel Drive: 77 - All-Wheel drive system may not be working properly. Emissions System P2251 - There may be a problem with the emissions system. Later when I got home, I read the codes using my ODB2 reader. I found: P2251. P0134. It looks like the P2251 and P0134 codes are related to the O2 sensor.I have a 2005 Acura RL. The check emission system light comes on after I fill up with gas and goes away when the gas gage is less than half full. I took it to Acura dealer while the light was on. They found a code p0401. They recommended replacing the EGR valve and injectors for $1211.00.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.Please help! 2014 Honda Pilot Check Emission System lights going off. I'm currently on a road trip late at night in the middle of nowhere and the engine light with "Check Emission System" lights went off with another light saying "VTM-4". Am I still good to go another 200 miles? Check emission system acura español, The emission light on car could also be on because the system is not burning enough fuel, or if the sensor is broken. Mass airflow sensor problem – The sensor that gathers data from the air filter to be used by the engine control unit is broken. Ignition system fault – This system burns the fuel that starts your car’s engine, and could ..., 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., Topic:"Check Emission System" WarningHey everyone, welcome back to the channel. Today I want to talk about the "check emission system" warning you might see ..., 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”., Mechanic & muffler shop disagree. 2007 Acura MDX Tech Emissions System - Acura 2007 MDX Tech question. Search Fixya. Browse Categories Answer Questions . 2007 Acura MDX Tech; Acura MDX Car and Truck ... Got check emission system light and got code p0400. P0400 Acura - Exhaust Gas Recirculation System Leak Detected Hose, gasket, or egr has gone bad, How to reset check emission system on honda odyssey?Check engine light and failed emissions test 2005 honda pilot vtm 4 lightHow to reset your honda civic's emissions system. Check Details. Honda emissions testing. Emission honda control vehicle information emissions labels car acuraEmissions cel warning mid check system 2017 honda cr-v ..., I'm getting: Check Emission System message. 2012 TSX the V6 auto/ sport shift. I just bought it in dec. haven't - Answered by a verified Mechanic for Acura. We use cookies to give you the best possible experience on our website. ... I have an Acura RDX 2013 and the Check Emissions light keeps coming on. The first time, the battery was replaced ..., Check Emission System Light? So about a week ago, my catalytic converter was stolen from my Acura TSX 2006. I was told by many mechanics that I should just buy an aftermarket replacement, instead of paying hundreds for …, 2011 acura mdx, 105,000 miles. after an*****to florida, the check emisssions system, check trailerstability assist, check sh-awd, and check vsa system lights came on. Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about? Emissions system, trailer stability assist, sh-awd, and vsa, On Honda Pilot cars, an Emissions System Problem message on the dash is an issue that is resolved by replacing the fuel injectors. Typically, the warning sign appears between 40,000 and 60,000 miles. Though, it can occasionally appear earlier. Dealerships are aware of the issue, and Honda has not yet issued a recall to remedy it., 19/05/2021 3:51 pm. Topic starter. I have a 2011 Acura TL front wheel drive with about 170,000 miles. The Check Emission System Light is on. I brought this into a mechanic who said that I'll need to replace the catalytic converter... which is about a $1200 job. I was listening to Scotty's video on driving at high rpms and I've noticed that when ..., Poor Emissions Performance: Your vehicle may fail emissions tests, as a bad downstream O2 sensor can reduce the effectiveness of the catalytic converter. Your TL will likely throw P0420 or the P0430 code. To diagnose a downstream O2 sensor failure, you can use an OBD2 scanner to check for diagnostic trouble codes related to the sensor., 80 posts · Joined 2012. #1 · Jun 10, 2013. My 06 TSX won't start sometimes (randomly) and happened 2 times yet. 1st time : everything is working and sounds good, but the car will just crank and crank while displaying ''Check emission system'' on the MID. I saw my engine head breather was disconnected from my injen intake so I reconnected it ..., mdxers.org is an independent Acura enthusiast website owned and operated by VerticalScope Inc. Content on mdxers.org is generated by its users. mdxers.org is not in any way affiliated with Honda Motor Company VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada, Check emission systems light on in 2012 Acura TSX, shop quoting me $75+ for a smoke test - worth it? Diagnosing/Repair Only real noticeable issue I am having is a sort of "rough idling" muffled rattling sound on startup that I was told by a shop who heard it that it was most likely simply the timing components not being oiled up after ..., 1206 posts · Joined 2004. #6 · Jul 20, 2014. Your car is probably in "limp" mode, in which it won't allow you to accelerate past a certain speed/rpm in order to preserve the engine. To get your codes read, take it to a shop or buy a OBD-II scanner from your local automotive shop, and plug it into the OBD-II port located underneath the ..., There are a few reasons why your Acura may be telling you to check the emission system. The two most common reasons are a loose fuel cap or a defective emissions control system, the Fuel Evaporative System (EVAP) more precisely. If you ignore the warning message, it could eventually lead to a failed emissions test, and you may be fined or even ..., If there's a problem with the Acura MDX emission system, it can lead to an increase in emissions as well as decreased performance and fuel economy. To prevent problems, make sure to keep your vehicle well-maintained and have the emission system checked regularly. If you do experience a problem, take your vehicle to a qualified repair …, 1060 posts · Joined 2018. #2 · Feb 15, 2019. Code P145C is Fuel Tank Pressure Sensor Range/Performance Problem. This could be the sensor itself or a connector or an electrical circuit (wiring short) problem. When code P0497 has been stored, the powertrain control module (PCM) has detected a low flow condition in the evaporative emissions ..., When the Check Engine light (or Service Engine Soon) is turned on, the systems computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the emission system. When this happens you will seldom feel the car engine run any different. There are about 200 possible system faults (the gas cap is just one ..., Step 1. Examine the air filter found on the air cleaner system. The filter is what helps to filter dust, dirt, and other external particles from the air stream and prevent them from going into the engine. Once the filter is clogged or used for a year, it needs to be replaced., 2009 acura mdx, 69M miles - check emissions system & sh-swd alerts. sh-swd alert comes in around 50 mph. no rear wheel drive. at speeds greater than 50 mph, vehicle begins to vibrate & shutter. mechanic reports that the battery tested low - installed new battery. mechanic then reports that the #2 cylinder is missing - suggests that engine may need a new injector. does this scenario sound ..., The primary purpose of an emission system is to convert these harmful substances into something harmless, such as water vapor. The process is called "regeneration.". For example, when you burn fuel in your car, you're actually burning carbon monoxide (CO), which is toxic. However, once that CO has been converted into carbon dioxide and ..., Dec 16, 2023 · To reset the check emission system in an Acura TSX, turn off the engine and disconnect the negative battery cable for a few minutes. Then, reconnect the battery and start the engine to complete the reset process. This simple procedure should clear the check emission system warning on your Acura TSX. Owning an Acura TSX... , What Does Check Emission System Mean on an Acura? Check emission system is a message that may display on the multi-information display when there is an issue with the vehicle’s emission control system. This can be caused by a variety of things, such as a faulty sensor or a clogged catalytic converter. If this message appears, it’s …, This is a first with Acura for me this early into a purchase. I owned 4 Acura vehicles in the past (2004 TL, 2009 RDX, 2012 TSX, 2012 MDX) and didn't have to to bring any of them to the dealer outside of regular maintenance during warranty period. ... a valve that controls the flow of the emissions through the emission system. We cannot order ..., Topic:"Check Emission System" WarningHey everyone, welcome back to the channel. Today I want to talk about the "check emission system" warning you might see ..., Check Brake, ABS, VSA, Power Steering System. Tried to restart the car, nothing. I waited in the car reading forums, after 5 minutes I tried to restart - nothing. Then kept reading someone hinted it could be the battery, tried again in 10 minutes, this time it barely cranked., Turn off the engine and remove the key from the ignition. 2. Disconnect the negative terminal of the car battery. 3. Wait for at least 15 minutes. 4. Reconnect the negative terminal of the car battery. 5. Start the engine and check if the check emission system light has been reset., Your radiator loop has nothing to do with emissions. First thing you need to do is to pull the code (s) for the check emission system. You can do that yourself through the secret menu using my video: In the menu any errors will be stored in "Acuralink self diagnosis" option (first one on top). Once you have the code (s), post them here and we ..., 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., To reset the check emission system in an Acura TSX, turn off the engine and disconnect the negative battery cable for a few minutes. Then, reconnect the battery and start the engine to complete the reset process. This simple procedure should clear the check emission system warning on your Acura TSX. Owning an Acura TSX..., My '07 check engine/emission system will flag if it's on and idling for 20 minutes or more. Driving for >30 minutes clears it for me. ... I've 2009 Acura TSX, it showed check emission system after I pumped gas and started driving. Because I'd $20 gift cards to use so I went back & forth for prepaying, hence opening & closing gas tank ...