Question about 1990 Lexus ES 250

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My car takes a while to gain momentum.when i stop and start back it has very little power. i cleaned the mass air flow but it did nothing.

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Have you tuned up the car's engine with new spark plugs, wires, and air filter in the last 30,000 mi?

Posted on Nov 12, 2010

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Symptoms of faulty air flow sensor


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    Jul 09, 2016 | Cars & Trucks

    1 Answer

    Why dont my car gain power ?


    check air filter < clean or replace > check air mass, replace ,
    check air Vacuum hoses if remove or cut out .check solenoid valve vacuum if working by S.w on and off (click sound when on )

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    My 2000 toyota avalon has no power and feels like it is misfiring. when it finally does start going it takes forever to gain speed. i replaced the front 3 spark plugs and cleaned out the air filter. it...


    Is there a check engine light on? Check for codes. If it's the mass air flow it will put out a code. Otherwise it is probably a clogged catalytic converter thats clogged. It will do the same thing. Turn your car on and check the pressure coming out of the back.

    Oct 31, 2013 | Cars & Trucks

    1 Answer

    It has no power and feels like it is misfiring. when it finally does start going it takes forever to gain speed. i replaced the front 3 spark plugs and cleaned out the air filter. it also feels like its...


    First u have to say what type of car .the next thing the engine check light is on . If it is on u can get scan . There u will know what the Code is.

    Oct 31, 2013 | Cars & Trucks

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    Car stalling


    Sounds like you car needs a tune-up

    Aug 20, 2012 | 1991 Volkswagen Cabriolet

    1 Answer

    My 2002 kia sportage started acting up when appling gas, especially at stop signs and going up hills. It was real labored for it. It did not cough or spputter just more labored and hesitant. This went on...


    did you take on fuel with the engine runnung?? if so when you remvoed the gas gas the evap emmison control systemwill be set off. to correct this jsut take the positive cable on the battery off for 1 min. then put it back on. this will reset the computer also where you air cleaner is you will see a hose running from the air filter box and a clamp holding it on at the other end, take clamp off their is a screan under their, get some mass air flow cleaner ( around 10.00) and clean the caron off the screan so the engine can breath agine. NEVR take on fuel with engine running it sucks airthrew the gas tank and does small back fires threw the the mass air flow you will not hear them but the exsperance you are discribing is the results. once you do this you should get your power back and the car should not runn sluggish any more

    Aug 02, 2011 | 2002 Kia Sportage

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    1998 Oldsmobile Intrigue. Car almost died at intersection. Did want to stay running. Then slowly gained momentum. Drove home. turned it off. Restarted it no problem. Next day car won't start. Put...


    CHECK YOUR MASS AIR FLOW SENSOR....I REPLACE MY STARTER STAURDAY BECAUSE MY CAR STARTED BUT WON'T STAY STARTED BROUGHT A CRANKSHAFT SENSOR AND STILL NOTHING THE WHOLE TIME MY MAF(MASS AIR FLOW SENSOR) HAD MALFUNCTION MIND YOU MY CHECK ENGINE LIGHT NEVER CAME ON.

    Aug 22, 2010 | 1998 Oldsmobile Intrigue

    1 Answer

    Mass air meter not reading vane postion


    hey rob_andersen,

    yes their is a way to replace the mass air flow. Get a can of brake clean or throttle cleaner, throttle cleaner is going to work best. remove the until and spray it down with throttle clean, let it dry for about 15 min. and reinstall it.

    Now a little warning for you, IF their is no visual damage to the mass air flow then you can do this successfully. Now the reason why I always replace them instead of spraying them down is because is MOST cases the mass air flow will start acting up again. Sometimes it takes a weeks, sometimes months, sometimes years its hard to say.

    But the worst you have to loose, is it doenst work an your out 5 bucks for the can of fluid.

    Mar 31, 2009 | 2001 Jaguar XJ8

    2 Answers

    Car will not start when Mass Air Flow sensor is plugged in; when it is unplugged the car will idle and gradually idle up if you give it very little fuel at a time. Installed a used Mass Air Flow sensor...


    hi there, when air flow unplugged, ecu goes into limp home mode ,a back up if something dies whilst driving. it sounds as if your used mass air flow sensor is faulty , they are more fragile than they look, one knock and these early fine wire models are gone. i replaced many when i worked at a volvo dealership a few years ago. hope this helps, and good luck.

    Aug 11, 2008 | 1989 Volvo 240

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