Carmakers like Ford and Chevrolet recommend that you replace the MAF sensor ($300) at that point. Thanks for the reply.. Is it as simple as remove the screws, take the maf off and spray it with the cleaner?? Safety glasses are a good idea, as well. You have nothing to lose if cleaning doesnt work and a new MAF sensor is pretty dear IIRC. Gassing Station | General Gassing | Top of Page | What's New | My Stuff, 2022 Pistonheads Holdco Limited, All Rights Reserved, PistonHeads is a registered trademark of CarGurus Ireland Limited, Pistonheads Holdco Limited, c/o Legalinx Limited, 3rd Floor, 207 Regent St, London W1B 3HH, United Kingdom. From time to time you may be prompted by a Brsikoda member or other source to clean your MAF sensor. Brake and clutch parts cleaner does the job too ! Have the necessary tools for this DIY project lined up before you startyoull save time and frustration. 8) Hold the bag closed and shake the cleaner around in all directions in the MAF housing. Sounds an intresting one anf for 4, so simply un do the two nuts, remove maf sensor from wires, spay clean and re-fit ? Shake can thoroughly before use. If you are not experiencing problems that could be related to the MAF sensor it is best left alone. Note: If your car is not exactly the same model as mine, please the sensor may be different and also attached differently. BG of Great Britain is an authorised Distributor of BG Products, Inc, Motorcycles and Small Engine Applications, BG Complete DPF and Emissions System Service, BG PXT Performance Exchange for Transmissions, BG PXT Performance Exchange for Transmissions and Power Steering, BG 244: Fuel System Cleaner designed for Diesel, BG 245: Premium Diesel Fuel System Cleaner, BG CF-5: Maintenance-level Fuel Treatment, BG Fuel Injection System Cleaners (Petrol), BG Fuel Injection System Cleaners (Diesel), BG RF-7: Helps increase engine compression and power, BG Universal MGC - Multi Gear Concentrate, BG ATC Plus: Automatic Transmission Conditioner, BG Quick Clean for Automatic Transmissions, BG CVT Plus - CVT and DCT Fluid Conditioner, BG Ultra-Guard: for synthetic gear lubrication, BG Power Clean Power Steering Flush Fluid, BG Universal Synthetic Power Steering Fluid, BG Throttle Body/Air Intake/EGR Valve Cleaner, BG In-Force: Ion-activated penetrating oil, BG DFC Plus HP Extra Cold Weather Performance, Also available: BG 245, specifically for newer high-pressure diesel engines. but it still had no backfires until the alchohol. cleaner sensor mass flow air spray maf wynns egr petrol 150ml Ok guys.ALL HAIL TO THE CLEAN MAF SENSOR!!! If the EGR valve is extremely dirty you will be required to dismantle the EGR valve housing and spray liberally and directly onto the unit. Worked for me to.. but I did not wait that long. If you look into the housing through the end that has both a plastic and wire mesh protector you will see a small opening in a plastic protrusion at the centre of the housing. Start the engine and allow it to warm up. The MAP sensor continuously measures the pressure/vacuum in the intake manifold. Again, half a cans worth. We often link to other websites, but we can't be responsible for their content. At the risk of sounding silly, where can I find the part (maf) to be cleaned?? Now work in reverse order following all the above steps. can i follow the same procedure with my tdi?? Cheers chaps. Should I still clean it or bite the bullet and get a new one? Powered by Invision Community. halfords 80mm 90mm isoprol alcohol is what the op should have used. I've cleaned mine loads of time and it total safe to do it! You need to be a member in order to leave a comment. (MAFS) Clean The mass air flow cleaner only costs about $7! Air mass is a critical measurement the ECM uses to calculate fuel injection, and most engines are either equipped with a manifold absolute pressure (MAP) or mass air flow (MAF) sensor. Always remember anyone can post on the MSE forums, so it can be very different from our opinion. vBulletin v3.8.7, Copyright 2000-2022, vBulletin Solutions, Inc. S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General. I'm no boffin on BMW engine codes, but i've got an E46 325 that was doing the same thing. Remove the main big BMW cover (Intake Manifold) at the front of engine using this method: 1) Remove the 2 clips at the front - pull up and then out the small round black pins (expanding rivets) with a flat head screw driver, 3)Remove the large hose on the top right, 3) The Air Filter Housing, Intake Silencer. Turbocharged engine MAP sensors will also respond to pressure, and their pressure/voltage readings may be different. Whilst you're at it, check your intake trunking for splits as this is also a very common fault. Did mine with halfrauds electrical contact cleaner. i found a link like this in the past but it had pictures, can't seem to find it anyone know where it is ??? Had to buy a new MAF yesterday 180 from Euro's expensive lesson learnt. ferodo ds2500 ds3000 plaquette frein saxo pastilla plaquettes vts On the 1.8T Octavia, It can be found at the back right corner of the main plastic engine cover with the other end being attached to the air filter box. Press a small clip on the plug and pull of the Wiring Plug. All content is viewed and used at your own risk. this is a picture of maf sensor removed for cleaning. Clean Duration: The Mass Air Flow Sensor (MAFS) should be cleaned no sooner than every 20-30k miles. Also in this photo, see the arrowthis is pointing to the location where the Vacuum Hose fits - this is a thin black rubber pipe. turned out to be the MAF sensor! If voltage is slow to respond to pressure changes, contamination could be responsible. MAP sensor cleaning may be necessary if youre experiencing poor fuel economy, rough idle, hesitation or stalling on acceleration, or an illuminated check engine light. Your email address will not be published. isopropyl alchohol completely busted mine up. JavaScript is disabled. Spray 10 to 15 spurts of the (MAF) mass air flow sensor cleaner onto the wire or plate. If you see Torx screws, buy a Torx tool and a can of CRC Mass Air Flow Sensor Cleaner. Spray 10 to 15 spurts of the mass air flower cleaner onto the wire or plate. You must log in or register to reply here. So, specialist cleaner required or can I do it with something more common? 2019 Energizer. Repeat the test and note that as you draw and release vacuum/pressure, the voltage should respond instantly. We recommend our users to update the browser. Ben has been taking things apart since he was 5, and putting them back together again since he was 8. Now, he writes on automotive topics across the web and around the world, including new automotive technology, transportation legislation, emissions, fuel economy and auto repair. Also I have some holts egr and carb cleaner anyone used that ? To keep other air and fuel system parts clean, consider an intake system cleaner the next time you maintain your engine. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. We are registered with the Information Commissioner, registration number ZA187892, it details the purpose for which we process personal data. The typical MAP sensor should read around 4.7 V when open to the air. Below is the total kit I used. Other forum members have recommended cleaning of the MAF as part of routine preventative maintainence as they get a build up of residue on the filaments.Are you advising that they should be left alone?.I am no expert and always glad of sound advice. If you find a split then superglue makes a good temporary repair, the parts are fairly cheap anyway. (Click here to read). 9 NAPA AUTO PARTS Team Win at Pocono, Capps Suffers First Early Exit of 2022 NHRA Season, Rossi Faces Challenges at Iowa Double-header, Elliott Scores Fourth Consecutive Top-Two Finish, Placing Second in New Hampshire. Use a 10mm Socket to open the 2 nuts. I have used Halfords electrical cleaner for several years with no ill effects. The Mass Air Flow Sensor (MAFS) may may not appear to be very dirty, but trust me, it is. (private)or 155 (BMW) - perhour X 0.5 hours. For a better experience, please enable JavaScript in your browser before proceeding. JavaScript is disabled. Allow to soak for a few minutes and repeat until contaminants are removed. Copyright BG Products GB 2022 halfords 80mm 90mm exodus Clean your MAF (Mass Air Flow) sensor when it's dirty rather than replace this $300 part. Your email address will not be published. Tryed this last night on the old girl. got the crusty bits off but still smells a bit fishy time for a trade in!!! I know of plenty of people that have tried to clean them but ended up breaking them in the process. Your onboard computer needs that information to calculate the right amount of fuel for all engine operating conditions. As Would this be ok to clean the MAF sensor as it is a reasonable price? BG244 will restore performance, improve MPG and reduce emissions. Copyright National Automotive Parts Association. The views expressed herein are those of the individual contributors and not necessarily those of BRISKODA or SKODA. 4) Remove the screws that hold the cover on the air box and the 2 that hold the MAF to the airbox. left it to dry for about 30 minutes and fitted, then drove the car after 45 minutes. My mate once bought a primera auto that wouldn't rev past 2000rpm, bought it for scrap value, drove it round the corner from the blokes house, squirted the maf with some carb cleaner and it was running fine. anyone got a new picture to show where the MAF is? As I could not open them I cleaned the MAFS whilst it remained fitted. The internet is always a tricky place, some saying one thing and others saying the opposite. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. exactly the same happened to me. halfords thule ricambio hapro n001 n200 portatutto tetto veicolo rack locksmiths Eventually, those baked-on particles insulate the wire/plate from the airstream. It cleans valves, injectors and the combustion chamber of soft and hard baked carbon. You can see the Intake Hose and Wiring Plug unplugged. It's quick and easy with some handy tools and a spray. Tesla Model 3 Long Range Octopus Tesla Referral 1000 Free Ordering Tesla BMW e46 Care Care e46 Models Fuse Box On Jack Stands Fault Diagnosis Torque Specifications Air Filter Change Alloy Repair Jack Stands CDV Delete Clutch Bleed Differential Oil Final Stage Resistor Fuel Filter Change Headlight Removal Interior Lights MAFS Clean Oil Change Oil Light Reset Power Steering Fluid Radiator Flush Radiator Fan Change Shiny Steering Wheel Spark Plug Change Transmission Fluid Window Regulator Timing Chain Tensioner Airbag Occupancy Mat Sensor Rear Light Clean BMW Fault Code Read impee impeeCreations BackInfo, DIY BMW e46 Mass Air Flow Sensor (MAFS) clean by - impee www.impee.co.uk, DIY Mass Air Flow Sensor Loosen this screw with the Flat Head Screwdriver and then pull of the big hose, the Intake Hose. it was fairly clean anyways. I've tried the alcohol trick but personally i've never seen it work. even though my maf looked clean i sprayed about half a can in total including a quick spray of the electrical connecter. Dont scrub the parts; you may break the wire or damage the plate. How to Clean the Mass Air Flow Sensor yourself! A MAF sensor monitors the temperature and weight of air entering your engine. Visit the Official SKODA Website. tried cleaning mine last week ,still no difference so ordered new bosch maf from AIRFLOWMETRE on ebay shop for 29.90 +p&p for 1.9 tdi (90 hp). Take the car for a test drive and you will notice it to be alot smoother and responsive than before. Purchase a can of Isopropanol based electrical contact cleaner. Second thoughts best to use the proper stuff but really should i touch it or not ? I've used it for years on various cars without issues. Some turbocharged engines use both MAF and MAP sensors. ? or proper MAF cleaner? on another thread cleaning the MAF has been warned against as it can cause the engine to run lean so I wouldn't do it too often. We recommend that you clean the MAF sensor every time you change your air filter. I wouldnt use carb cleaner (although you can) as it takes longer to evaporate and stands more of a chance of leaving a residue on the wires. rofl. This it the "business end" of the MAF and the part which may require cleaning. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. Welcome to BRISKODA. Even a well-maintained engine will collect deposits of dust, dirt, grime, carbon and oil both inside and outside. BRISKODA are not directly responsible for information which maybe posted in this forum. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The Gas Light Goes On: How Many Miles Until Empty? (MAFS) Clean, Professional labour costs for MAFS clean - 35 With the bag close around the sensor put enough cleaner in there to half fill the bore of the sensor housing. STP Professional Diesel EGR Cleaner is designed to quickly dissolve gum, lacquer, carbon and tar like deposits from the air intake system. Cleaned it, no bother, all sorted. 6) With the clip loose, withdraw the MAF housing from the vehicle. I think at least one member of this forum (mentioning no names) is probably still a bit sore about it. I think it was. You are using an out of date browser. Remove the flexible hose that is located between the turbo charger or intercooler, and the air intake manifold. Hi great explanation thanks what I wanted to know is im not experiencing any lumpy problems or running /power loss at all . Designed for all types diesel engine including PD (Unit Injector) and common rail, BG 244 (BG244) quickly and effectively cleans diesel fuel injectors. Do note, while we always aim to give you accurate product info at the point of publication, unfortunately price and terms of products and deals can always be changed by the provider afterwards, so double check first. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. (P0101 MAF correlation error related), Smoking after fitting new MAF on ml270 cdi. yes, unplug it first but dont touch the wire and let it dry before you start the car. Save my name, email, and website in this browser for the next time I comment. All Rights Reserved. View Full Version : Service Issues: - How to clean the mass airflow sensor. is this halfrauds stuff Isopropanol? just cleaned my maf sensor using the halfords contact cleaner as advised by others on here. Spary lots of cleaner everywhere inside and specifically into the 3 long arrows, as they are the main sensor parts. Editor, Marcus Herbert, https://www.google.co.uk/search?q=MAF+location+318D&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiE3ZnH_pfKAhXja3IKHbFHDdoQsAQIHA&biw=1214&bih=739. 7) Place the MAF housing in the plastic bag. Goochie, eBay seems to pimp a specific cleaner for MAF's, is this just a marketing name for electrical contact cleaner?? For more information on MAP sensor cleaning, chat with a knowledgeable expert at your local NAPA AUTO PARTS store. Copyright 2002-2021 SUMMIT 360 Ltd. E.& O.E. Killed a diesel MAF the other day starting it on easy start. STP is a trademark of Energizer Auto. The sensor works by heating a delicate platinum wire or plate and measuring the current required to keep it at a constant temperature while air blows past it. Wipe away excess with a soft clean cloth. impee's DIY MAFS Clean for BMW 318i e46 hard starting and rubbish mileage. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Once everything is dry, which shouldnt take very long, the MAP sensor should be clear of contamination. Either way, check your repair manual for the wiring diagram and specific voltage readings. mine would not start from cold but when hot was fine. Spray the electric parts cleaner into the sensor port a couple of spritzes are usually sufficient. BRISKODA is owned and operated by Summit 360 Ltd, registered in England & Wales, company number 05710517. Gave it a few taps to get them out, car runs perfect now, no more kangaroo mornings! Was wondering whether to leave it or try ? You need an electrical contact cleaner if you cant get a maf cleaner, they are both the same thing anyway. shook excess off and then used a hairdryer on it, refitted and left it for 45min to make sure it was dry. Allow the MAF sensor to dry completely before reinstalling it in the air duct. Check out all thechemical productsavailable on NAPA Online or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. I've had a warning light come up and have had it read and it says the maf is not working, took it off to clean it but it seems clean as a whistle inside?? You are using an out of date browser. Symptoms of a faulty sensor can be a reduction in fuel economy, lumpy idle or a fault code logged in the ECU. 22 March, 2006 in Handy Topics & Guides. you can see, there aren't many tools required for this job at all. I know, another reason not to use easy start. After each spray, wait until the idle rpm is restored and engine runs stable. And, is it a simple straight forward job?? Reinstall the MAP sensor. The MAP sensor is usually mounted directly to the intake manifold, somewhere after the throttle body, though some are mounted on the firewall or elsewhere in the engine bay, connected to the intake manifold via a vacuum line. This Simple Hack Lets You Shift to Neutral, 4 Common Brake Light Problems and How to Solve Them, Sudden Soft Brakes: Don't Panic With These 3 Tips, 6 Signs You May Have a Bad Water Pump On Your Hands, If Your Car Battery Won't Hold a Charge, Try These 4 Steps, The Big Cat Tames Williams Grove Speedway, Elliott and No. In some vehicles older K-cars, for example the MAP sensor is mounted by the ECM, connected to the intake manifold via a long vacuum hose. The 2 small arrows at the bottom point to 2 security screws (which I did not have the bit for and could not remove) that hold release the MAFS. A diagram of the Mass Aif Flow Sensor Part #1. By (private)or 155 (BMW) - perhour X 0.5 hours, www.impee.co.uk 2021/22 website design by impeeCreations. My VRS was stuck in limp home mode! Avoid last-minute shopping trips by having all your materials ready ahead of time. Any pictures showing what the MAF looks like and where it is on an Octavia II preFL PD140? In fuel-injected engines, the engine control module (ECM) calculates fuel injector pulse based on several other sensor readings, such as engine RPM, engine coolant temperature (ECT), intake air temperature (IAT) and airfuel ratio (AFR), among others. These deposits can cause many problems, such as interrupted air flow, fouled spark plugs or fuel injectors, engine overheating or skewed sensor readings. emissions, fuel economy, MAP sensor, performance, sensors, video. Ensure you put back the Intake Hose, the Vacuum Hose and then tighten the Intake Hose clip and also plug back in the Wiring Plug. All Rights Reserved. Granted theyve been nissan ones but ive never broke one doing this. It's easy! Picture in this thread isnt working the MAF housing is the cylinder shape below and MAF is in there. We have a comprehensive Privacy Policy. Had the bonnet up the other day and thought i'd clean the MAF sensor, so i removed it and noticed that it has black deposits on it so I sprayed it with carb cleaner which cleaned it up a treat. took the car out for a spin and noticed the throttle response was a lot lot quicker the car pulled so much better through gear changes. Does the EGR valve need to be removed to use STP Professional Diesel EGR Cleaner? peugeot battery replace remove Cleaned mine last weeknd with a can of silkoline contact cleaner from our fuchs dept at work, it worked a treat, also had a look at the air filter, it was full of flies!! Check the MAP sensor vacuum hose or intake manifold port for additional contamination. Regular use of BG244 (approximately every 10,000 miles) will reduce deposit build up in the diesel particulate filter, reducing maintenance costs. MAP sensor cleaning only entails a few more steps: MAP sensor cleaning is an easy way to restore engine performance and fuel economy. i used a electro contact cleaner to clean it. Copyright 2007 - 2022 M3cutters. Over time, dust and oil particles stick to the hot wire/plate and bake on. Repeat the process until all of the product has been discharged from the aerosol. As you can see in this photo, mine had come off, hence when you are putting everything back together, ensure you fit the Vacuum Hose back in! First, remove the vacuum line or remove the MAP sensor from the intake manifold. Marketplace - Please use the new template for selling your car. We don't as a general policy investigate the solvency of companies mentioned (how likely they are to go bust), but there is a risk any company can struggle and it's rarely made public until it's too late (see the. Isopropyl alcohol spray (IPA), this leaves no residue. You'll need a small plastic bag without holes, the best choice is a food freezer bag. How To Check (and Replace) the Water Fill Valve, Try This Simple Tip To Fix a Slow-Filling Washer, We are no longer supporting IE (Internet Explorer), If You See a Green Porch Light, This Is What It Means, 6 Ways To Use Baking Soda To Clean Your Pool, Do Not Sell My Personal Information CA Residents. But if you clean your cars MAF sensor regularly, you can avoid that $300 repair and keep your engine running at top efficiency. Use the 10mm Spanner to remove the 2 nuts. Before you remove the sensor, use a camera to record the sensor setup and connections for reference later. Do not be tempted to use a cotton bud or anything like that as the wires are very sensitive and it's not worth buggering it up. We do not warrant the accuracy or reliability of any of the information. grrrr always the last place you look, but cheers for the how too, running sweet as a nut now!!! To be frank, the only cure for a bad MAS is a new one. Catalytic converter, oxygen sensor and diesel particulate filter safe. 1) Open the bonnet and locate the MAF sensor. Car AC Lines Freezing Up? i used the same thing. Approximate Time For This Project: 1 hour, Prices: Professional labour costs for MAFS clean - 35 It may not display this or other websites correctly. what size are the 2 torx fittings on the sensor itself? The car started fine but when i pulled away it was like someone had stolen the turbo and no matter how hard i hit the loud pedal it wouldnt kick down seemed like it was pulling away in 4th gear, got onto the motorway and struggled to get to 60MPH, oh duck i thought. Then pull of this circular item, this is the Mass Air Flow (MAFS). so, what's the suggested spray product to correctly utilize in case a MAF cleaning? Continue to run the engine on idle. Disconnect the MAP sensor connector and put on rubber gloves to protect your skin. great tip - I had read somewhere IIRC that MAF cleaning is best done when you are sure that there is a MAF problem and are about to pay up for getting it changed in any case. Ive cleaned plenty with just squirting carb cleaner on them. After dabbling in DIY repairs at home and on the farm, he found his calling in the CGCC Automobile Repair program. DIY Mass Air Flow Sensor The mole grips are good because you can leave the clip pinched and keep your hands free. We have placed cookies on your device to help make this website better. Heres how: Before going to the store, pull off the air duct between the air filter box and the throttle body to see how the MAF sensor is anchored. You can also break it pretty quickly with a K&N performance airfilter panel. This causes starting, idling and acceleration problems, as well as poor gas mileage. Definitely worth a shot. 10) if using an aerosol cleaner it may be worth having a final spray around the sensor. Required fields are marked *. Use a good cleaner and dont use to much or too "direct" a shot etc .The wire is very thin and fragile. Thanks. MAP sensors contain no moving parts, and they dont typically wear out, but cleaning the MAP sensor may be required if its contaminated by carbon or other deposits from the engine. Shake out the excess and let the MAP sensor dry. 11) leave the sensor over night to thoroughly dry out. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. Heres a list. Spray the product for 2 seconds into the air intake manifold but DO NOT SPRAY DIRECTLY INTO THE INTERCOOLER. It is best to remove this to be able to get the MAFS out. 5) Use a pair of latching mole grips to hold the circular clip open on the other side of the MAF to the air box - you need to pinch the 2 tabs together. 3) Carefully unclip the electrical connector to the sensor. It may not display this or other websites correctly. With the mass air flow cleaner and tools in hand, locate the MAF sensor in the air duct between the air filter box and the throttle body. After he held his ASE CMAT for 10 years, Ben decided he needed a change. Clean these with electric parts cleaner and a brush if necessary. There are 3 types of MAS filter, the early hot wire the wire erodes away and puts it out of spec, the sensor type can also become out of spec, this is all due to the speed of the air passing over the sensor, sometimes this air contains moisture, and particles that pass through the filter. Please note the following important links Terms of Use. Here's What You Can Do About It, 3 Kinds of Brake Noise You Should Never Ignore, The Best Time to Mow Your Lawn without Annoying Your Neighbors, Dead Car Battery? To maintain fuel system cleanliness and engine performance, add BG 244 to fuel tank at 7,500 to 9,000 mile (12,00014,500 km) intervals. 9) carefully dispose of the cleaning fluid. Halfords sell it in a yellow/green aerosol can marked as "Electrical parts cleaner". BG244 is a diesel-specific complete fuel system cleaner. All trademarks and copyrights remain property of their respective owners. The posted views of our members are in no way the views of MBClub.co.uk or its owners. Everything you need is available at CarQuest, Advance and OReilly auto parts stores. ? In extreme cases, dismantle the EGR valve housing and spray the product liberally and directly onto the unit. You can usually tell if you have a MAP sensor if you cannot find a MAF sensor in the intake air tube before the throttle body. Just make sure it's dry before you out it back in. do the muff's appreciate being shook violently in all directions? You must log in or register to reply here. One can (325mL) of BG 244 treats up to 60 litres diesel fuel. kitchen mini whirlpool kitchenette sink compact tiny caravan appliancist fridge kitchens hob basement really rv appliances camper right electric portable This info does not constitute financial advice, always do your own research on top to ensure it's right for your specific circumstances and remember we focus on rates not service. By the DIY experts of The Family Handyman Magazine. 2) Remove the main plastic engine cover by releasing the large rubberised screws. Dont use any other cleaners; they can ruin the MAF. Is Your Car Heater Blowing Cold Air? Try This Hack for Building an Inexpensive Glass Panel Door, How to Add a Covered Entryway to Your Home, How to Build Your Own Little Free Library, How to Build 4 Different Styles of Path Lights, How to Build a Propane Fire Pit Using Gabion Baskets, 1 Minute Fix for Oven Door That Doesnt Close All the Way, Slow-Filling Washer? You can easily test a MAP sensor with a vacuum pump and multimeter. Just had a crack with this stuff. There's no need to leave it over night, Isopropanol will evaporate with in minutes! I had eml light on last year I read the codes and it was 02 sensor lambda bank 1 sensor 1 I replaced but few days after the light came back on (as happened to someone else in another thread on here) I haven't done anything since except turned it off for the mot and that lasted the day ;) I read it could possibly be a problem caused by dirty mass airflow sensor but as you say don't touch it if no running problems? Heres What Might Be Happening, Celebrating 25 Years Of Store Ownership Mike and Sheryl Baus. Depending on your cleaner you'll have to pour it in from a bottle or sit there spraying an aerosol for ages. Let it dry before you fit it back, then if you want at the end, use a cold hair dryer to make sure it is dry. Sign up for a new account in our community. Carefully remove the sensor from the air duct and disconnect the electrical connector. Can You Leave Your Car on While Pumping Gas? I've had my K&N in for about a year but replaced it recently due to get worried reading about them on this forum , in that time it didnt cause any problems.

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