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What is the sign that u will see if 2002 bmw 325i Mass airflow meter is not functioning well

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  • Cars & Trucks Master
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I would expect this to show up as a code p1100 or 57 or nothing until you have the codes read.

Posted on Apr 21, 2014

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Posted on Jan 02, 2017

MobyMech
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SOURCE: mass airflow meter

Hi

It is fitted to the air filter outlet hose (the one which goes from the air filter to the turbo) and it is quite literally right next to the air filter. It has a wiring plug to it.

Regards

Geordie

Posted on Jun 23, 2008

HGComputers
  • 81 Answers

SOURCE: 2002 bmw 325i running rough

Did you replace your fuel filter when you did the pump? At lower RPM's the engine would be starving for fuel. Another cause could be your throttle position sensor. It is what shifts your transmission at predetermined shift points as you throttle up and down. It is also what kicks down your engine when you are stopping or slowing down as you go down through the gears. Hope that helps!

Posted on Jan 11, 2009

LT1Rob
  • 55 Answers

SOURCE: check engine light comes on but car runs great 2002 bmw 325i and

The check engine light could be any number of things and the only way to find out is have the codes scanned. The brake light issue is common on E46 3 series. It is an issue were the brown ground wire that goes into the lamp housing melts at the connector causing a loose ground connection. The connector needs to be replaced and also add additional grounding wires to prevent further issues. And for fuel additives either use the cheveron techron, or the bmw fuel additive(the bmw stuff is the exact same thing, so just use which ever is cheaper).

Posted on Mar 12, 2009

  • 219 Answers

SOURCE: Change clock on 2002 BMW 325i

hello jsosa, if I remember correctly, you need to turn and hold the right button on the instrument cluster. the button only turns a little and has a detent.

Posted on Apr 09, 2009

  • 52 Answers

SOURCE: 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.

Posted on May 13, 2009

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Symptoms of faulty air flow sensor


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    2002 zafira 2.2 petrol cannot locate mass airflow meter has it got one please?


    It is located where the air intake hose from the filter box connects to the engine.

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    My bmw 316i 1997 auto is not idling correctly and stalling?


    Bad airflow meter hose: usually noticed after replacing an air filter

    Right behind the Mass Airflow Sensor on the underside of the main hose that connects the throttle body to the airbox is the airflow meter hose that connects to the engine. Very easy diagnosis and replacement. If the hose is bad it will have holes or tears in it from decay and may not be fully connected to either the engine or the throttle body hose. some electrical tape can be used as a TEMPORARY fix while you're waiting for the replacement hose. I would suggest using some type of clamp or even a zip tie on the new hose to keep it in place as it can come off after messing around with the airbox.

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    Bmw 2882/3 fault codes present


    You most likely have an engine vacuum leak or a defective mass airflow sensor or low fuel pressure. Read the codes with a OBD2 code reader and see what the standard codes are.

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    My bmw 316i 1996 2door has accelaeration problems. when accelerating at approx 60-70mph slight slugishness for approx 0.05 sec every 3-4 sec, ive changed the airflow pipe from engine to mass meter and aso...


    Hi

    I am assuming your old air flow pipe was ripped ? If that was the case it can often damage the air mass sensor / meter, they are quite delicate on these cars. the other alternative would be the throttle control module although these raely go, do all the air pipes have a good tight seal around them? any air leaks will cause the car to be sluggish.

    Hope this helps, as regard to the clocks not showing mileage is the back light lit up?

    Rergards
    Dan

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    How to change a starter on a bmw 2002 325i , whwre the starter is located, thank you


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    Can I repair airflow meter instead of replacing it


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    Jan 13, 2010 | 2002 BMW 5 Series

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    For 2002 BMW 325i. how can i reset the oil service indicator after an oil change. and how to activate the clock after i changed the battery (the clock does'nt show the number only dash after i changed the...


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    I T BELIEVE IT WILL WORK OUT.

    Apr 05, 2009 | 2002 BMW 3 Series

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