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Author Topic: MAF?  (Read 3084 times)

Offline bunter

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MAF?
« on: 05 November 2007, 10:46 »
it was suggested to me yesterday that the cause of my engine problems could be down to the MAF sensor. are they the same on all GTi`s or are they model specific as i have a 16v and was wondering whether an 8v would fit?

thanks. bunter
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Offline Lewism3

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Re: MAF?
« Reply #1 on: 05 November 2007, 10:51 »
Bunter

Without reading all your posts.......have you checked the timing? I have just cured one of my GTIs from cutting out due to this???

Just briefly, what are the probs again?
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Offline bunter

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Re: MAF?
« Reply #2 on: 05 November 2007, 10:53 »
no i havent checked the timing, cant really see that being out as it was running fine the last time it was going, it just cut out and never fired back up again.

the problems are all outlined here in my long running saga post: http://www.golfgtiforum.co.uk/index.php?topic=63895.0

:)
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Offline Lewism3

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Re: MAF?
« Reply #3 on: 05 November 2007, 10:57 »
Basics I know, but has it got a spark at the plugs, any fuel starvation, blocked fuel filter. I remember you put it on VAG COM, what happened there?
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Offline bunter

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Re: MAF?
« Reply #4 on: 05 November 2007, 11:00 »
spark plugs are all working, fuel is being pumped to the fuel rail and injectors but not into the cylinder head as the plugs were bone dry after trying to start the car for a while. will check the fuel filter today as ive just got a haynes manual and can now locate it!

vag-com showed the crankshaft sensor and abs sensor faults, have since replaced the crankshaft sensor
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Offline Lewism3

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Re: MAF?
« Reply #5 on: 05 November 2007, 11:10 »
How do you know that fuel is getting to the injectors? Sounds like a blockage or maybe low fuel pressure.
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Offline ace

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Re: MAF?
« Reply #6 on: 05 November 2007, 11:39 »
this sounds very familiar to bro-in-laws 16v. he has had the car stripped twice and they havent been able to find the problem, hes had the ecu checked as well and that came back fine. hes given up now as its costing too much. hope u find out the problem on yours.
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Offline bunter

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Re: MAF?
« Reply #7 on: 05 November 2007, 11:44 »
Quote from: ace on 05 November 2007, 11:39
this sounds very familiar to bro-in-laws 16v. he has had the car stripped twice and they havent been able to find the problem, hes had the ecu checked as well and that came back fine. hes given up now as its costing too much. hope u find out the problem on yours.

luckily the car cost next to nothing so whatever i do, break it or fix it wont lose out. yeah, the problems very annoying and extremely hard to track down, guess its just a process of elimination. im trying to keep my origional thread found here http://www.golfgtiforum.co.uk/index.php?topic=63895.0 updated with everything i do so it might be of use to youre bro-in-law? :)
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Offline ace

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Re: MAF?
« Reply #8 on: 05 November 2007, 11:47 »
cheers. the mechanic has hinted that it could be some sort of electrical wiring problem.
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Offline bunter

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Re: MAF?
« Reply #9 on: 05 November 2007, 12:02 »
im leaning towards some sort of sensor rather than wiring itself, unless the wirings been played around with in the past on youre bro-in-laws car then i cant see it being that, but good luck to him and i hope he gets it sorted :)
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