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Thread: mass air flow or not??

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  1. mass air flow or not?? 
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    I had a problem with my 99V passat 110 diesel a few months ago. It had no power across full rev range. I replaced the air flow sensor and all was OK. Now it has developed to have no power below 2000rpm then pulls fine it does sometimes feel like loads of turbo lag. Has anyone got any experience of this kind of problem for a tight get who does not want for fork out good money to local garage.
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  2. Re: mass air flow or not?? 
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    Quote Originally Posted by phil dean View Post
    I had a problem with my 99V passat 110 diesel a few months ago. It had no power across full rev range. I replaced the air flow sensor and all was OK. Now it has developed to have no power below 2000rpm then pulls fine it does sometimes feel like loads of turbo lag. Has anyone got any experience of this kind of problem for a tight get who does not want for fork out good money to local garage.

    Phil,

    You need to change your air flow meter.

    I've got the same problem with my vw golf mk4.

    If am driving down the motorway and the car will suddenly loose power.

    To fix this problem, I have to pull over the hard shoulder and turn the engine off for 5 minutes.

    I've been doing this for the last 6 months. But yesterday the air flow meter completely went. So now I don't have any power what so ever and the car is using alot of fuel.

    I've asked this guy who works for vw dealers , and he said the air flow meter is a common problem.

    Here's a link for the air flow meter on sale from ebay.

    http://cgi.ebay.co.uk/NEW-air-flow-m...QQcmdZViewItem

    But I do Highlight to take the air flow meter out and get the exact part number
    for you own vehicle.

    I will be ordering the part sometime this week and will fit on the weekend.

    It is very easy to fit, should take about 15-30 minutes.

    Basically you take out the sensor lead and couple of screws.

    Regards

    Jassie
    Last edited by jassie; 22-07-2007 at 07:24 PM. Reason: spelling errors
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  3. Re: mass air flow or not?? 
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    Where did you get the MAF from? Some of the ones from ebay etc are poo they dont last very long i.e a couple of months. Its better to go to a ******* or GSF these tend to be alot better.
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  4. Re: mass air flow or not?? 
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    Hi,

    Have ordered mine from ebay.

    Your proberly right about them last a couple of months.

    But since my car has done only 49k i never had to changed one before.

    So i will tell you if i ever need to change the same part again.

    Jassie
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  5. Re: mass air flow or not?? 
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    I'm sorry to say this guys, but I've done 11K in 10 months on my ebay MAF and all is well, the simptons that are being suggested are pointing towards an overboost issue, ie it resets if you switch on and off. It could be an N75 valve issue pr prssure convertor or vaccum pipe work around it or map sensor.

    The best step forward before replacing anything would be to get the fault codes read, it will save allot of money in the long run.


    VW Tiguan 4motion 2.0T 2015 - Awesome snow churning 4x4 GTI 😉
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  6. Re: mass air flow or not?? 
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    Hi onzarob,

    Your proberly right, some else suggested diagnostic check with machine.

    Since I already ordered the part I will try this first. If this doesn't fix the problem then
    I will get the codes read, instead of wasting lots of money on different parts.
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  7. Re: mass air flow or not?? 
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    One good thing about MAF's is there allways someone wanting one

    Get a reader from eshrules he does a cheap version for around 45ish pounds

    Look here

    https://www.vwaudiforum.co.uk/forum/s...0830#post40830


    VW Tiguan 4motion 2.0T 2015 - Awesome snow churning 4x4 GTI 😉
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  8. Re: mass air flow or not?? 
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    Just to reiterate what Onzarob said about a vacuum pipe coming loose. This happened to me giving the same symptoms. From memory there is a plastic vacuum pipe which runs across the engine bulkhead i.e between the engine and bulkhead with a push fit joint in it. Mine had popped out and merely needed pushing back together. Hope this helps.
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