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Are MAF and Lambda sensors....................................

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Old Apr 15, 2003 | 02:23 PM
  #1  
Gridlock Mikey's Avatar
Gridlock Mikey
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.......inherently fragile. i.e due to the sensitivity that they require, does that mean they have to be sooo fragile to be accurate?
I'd have thought in this day and age of $billions being spent on research and development, Fuji heavy industries/Subaru/Every other car manufacturer would have come up with a better, sturdier/reliable design.
Or is that the same as saying, why have they not invented a car that works on fresh air yet? (They probably have but the oil companies don't want us to know )
Or are they actually really reliable and due to the concentrated nature of Scoobynet, it seems that they are not. I don't ACTUALLY know anybody whose MAF Or Lambda has gone west!

Mikey
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Old Apr 15, 2003 | 03:08 PM
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ozzy
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why re-invent the wheel? Audi, Subaru, VW, Vauxhall, etc.. all use 3rd-party sensors (usually Bosch). It's them that do all the development.

With my car, the O2 sensor was 3yrs old before it packed in. If they fitted the same model, that's a 4yr old design now.

Apart from the lecky connectors, the O2 sensor in my Mum's Ka and my brother Vauxhall van look identical.

Stefan
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Old Apr 15, 2003 | 05:06 PM
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They could probably design / sell a more robust version, but that would cut down on service margins at dealers (similarly the rubber cambelt rather than a chain) which is always a no no for the motor industry.

My lambda and maf were faulty at 4 years old on a '99; without high mileage.
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Old Apr 15, 2003 | 07:37 PM
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Surely it's just a question of cost on he behalf of Heavy Industries. The model they fit is upto the task, at least for a couple of years, so why pay more for one which will last longer?
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Old Apr 15, 2003 | 07:56 PM
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like most things these days they're probably designed to last 3-5yrs. Bosch do sell some more robust models, but manufacturers will notice a HUGE difference even if the cost difference is just pennies. Multiply that by hundreds of thousands of cars and they're costs will shoot up.

Design yerself an indestructable MAF and your market will be very limited.

Stefan
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Old Apr 16, 2003 | 08:51 AM
  #6  
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Hmmm, I suppose you're all right. Can't have ya cake and eat it i suppose. Mind you I wouldn't mind paying an extra £100 when buying the car if it meant that the important sensors were made of top quality materials or indeed if the car was equipt with a AR MORE robust system.
Cheap Electric window switches and interiors I can live with, but really, having to put up with inferior quality which may result in Engine failiures is a bit strong don't you think?
That said, one of the scoobs attractions was the Bang per buck. Sub £20k car that has 4 doors and does 0-60 in less than 6 secs. There wasn't many of em about when i got mine

Mikey
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