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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel... Brake Seals Bulging 2021 Toyota Corolla LE 1.8l 65,000 mile...

1999 Mazda 626 LX 2.0 DOHC Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting cwalker1017 New User Feb 17, 2008, 7:10 PM Post #1 of 4 (2625 views) 1999 Mazda 626 LX 2.0 DOHC Sign In Is it possible to just clean a Mass Airflow Sensor or does it have to be replaced? I had the check Engine light come on yesterday about three hours after I had a brand new altenator put on. I took it to auto zone to have it diagnosed and the code was: P1131. The guy told me that it was probably a: failed Mass airflow sensor.. I took a look under the hood and the part looks pretty gunked up. : or a failed HO2S..... I don't even know what that is. Can some one help................... way2old Veteran / Moderator Feb 18, 2008, 4:08 PM Post #2 of 4 (2616 views) Re: 1999 Mazda 626 LX 2.0 DOHC Sign In It is possible to clean the MAF. There is electrical contact cleaner that dries with no residue and works pertty good. If you are true with your next to last statement, I would take it to a shop. A little searching will lead you to instructions on how to clean the MAF. Good luck. Being way2old is why I need help from younger minds cwalker1017 New User Feb 18, 2008, 7:52 PM Post #3 of 4 (2614 views) Re: 1999 Mazda 626 LX 2.0 DOHC Sign In again thanks for the advice... Double J Veteran / Moderator Feb 19, 2008, 3:08 PM Post #4 of 4 (2609 views) Re: 1999 Mazda 626 LX 2.0 DOHC Sign In A P1131 is a heated oxygen sensor code ... Several things can cause this.....if it happened right after some work was done,inspect the area ...possibly could even set there is a vacuum leak.... If you suspect a MAF....check for vacuum leaks around that area...I had a friend with a mazda..she had some work done and after that it would lose power on acceleration....close inspection noted the black air inlet duct from the MAF sensor to the throttle body was left loose and some bolts holding the MAF were left off.... This code means the computer is correcting "rich" for an overly "Lean " condition... Heck,even check that the oil dipstick is seated correctly.. Look for exhaust leaks before or near the o2 sensor... Just some thoughts....   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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