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Author Topic: Won't start - Air Flow Meter?  (Read 2364 times)

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Alex W

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Won't start - Air Flow Meter?
« on: 10 July 2008, 15:52:18 »
My 2.5 v6 wouldn't start today. It turned over strongly but wouldn't fire at all. I've had it towed to a local independant who have got it going and say they reckon its a faulty Air Flow Meter and that'll be £300 please.

Before I authorize the work any of you experienced guys got any comments?

Does it sound right?

I've spent over £2500 on various repairs and servicing over the last three years and I'm getting to the end of my tether.
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Marks DTM Calib

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Re: Won't start - Air Flow Meter?
« Reply #1 on: 10 July 2008, 15:55:27 »
No it doesn't sound right at all!

1) I am yet to see a MAF fail
2) MAF fault codes are commnly thrown when the crank sensor plays up (code 19)
3) With a fully failed MAF it would not stop the car from starting.
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rickyboy

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Re: Won't start - Air Flow Meter?
« Reply #2 on: 10 July 2008, 15:58:22 »
Sound unlikely.  Far more likely to be the crank sensor at fault which is a far cheaper fix.  Seems that it's not uncommon for garages to claim MAF sensors are faulty and charge you a bomb.  You need some confirmation of fault codes.
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Alex W

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Re: Won't start - Air Flow Meter?
« Reply #3 on: 10 July 2008, 16:15:33 »
Thanks guys, I'll go get it back.

I'll see if they can give me the error codes.
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Marks DTM Calib

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Re: Won't start - Air Flow Meter?
« Reply #4 on: 10 July 2008, 16:23:19 »
Quote
Thanks guys, I'll go get it back.

I'll see if they can give me the error codes.


Short out pins 4 and 6 in the diag connector with a paper clip and read them yourself.
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Alex W

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Re: Won't start - Air Flow Meter?
« Reply #5 on: 10 July 2008, 16:38:13 »
Thanks Marks,

I just watched the video and printed out the photo for the "Paper Clip Test".

I really appreciate the help.

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Alex W

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Re: Won't start - Air Flow Meter?
« Reply #6 on: 10 July 2008, 17:24:01 »
Spoke to the garage again because I can't get a lift to pick the car up tonight.

They say that when it was recovered to them they simply turned the key and after a few seconds it started up. They have logged error code 74 "Mass Air Flow Voltage High".

They are only charging me for recovery if I want to take it away.
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TheBoy

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Re: Won't start - Air Flow Meter?
« Reply #7 on: 10 July 2008, 21:45:09 »
As said on another thread, are you in the west of Northants, ie around Brackley area ;)
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Cav9_4

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Re: Won't start - Air Flow Meter?
« Reply #8 on: 10 July 2008, 23:10:18 »
Quote
Spoke to the garage again because I can't get a lift to pick the car up tonight.

They say that when it was recovered to them they simply turned the key and after a few seconds it started up. They have logged error code 74 "Mass Air Flow Voltage High".

They are only charging me for recovery if I want to take it away.

Had same code on mine a few years ago,fortunately my dad also has same car so i swapped them both over,mine started,his didn't,sourced a second hand one (£10)...HTH..Wayne
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Alex W

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Re: Won't start - Air Flow Meter?
« Reply #9 on: 11 July 2008, 08:41:47 »
I am near Towcester
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Marks DTM Calib

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Re: Won't start - Air Flow Meter?
« Reply #10 on: 11 July 2008, 08:44:33 »
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I am near Towcester


Kin hell, TB is only down the road in Brackley with a real Tech 2!
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TheBoy

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Re: Won't start - Air Flow Meter?
« Reply #11 on: 11 July 2008, 09:20:36 »
Quote
Quote
I am near Towcester


Kin hell, TB is only down the road in Brackley with a real Tech 2!
Technically, its uphill from Towcester ;D

Alex W - yes, I'm in Brackley should you want some a better diagnosis on it...
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Alex W

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Re: Won't start - Air Flow Meter?
« Reply #12 on: 11 July 2008, 09:48:26 »
Spoke to the garage, the car started on first turn of the key this morning so I will be collecting it this afternoon.
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TheBoy

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Re: Won't start - Air Flow Meter?
« Reply #13 on: 11 July 2008, 12:52:30 »
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Spoke to the garage, the car started on first turn of the key this morning so I will be collecting it this afternoon.
Get it home, then do paperclip test on it. Then post back here :y
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Alex W

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Re: Won't start - Air Flow Meter?
« Reply #14 on: 11 July 2008, 16:56:01 »
Result of Paper Clip test:
74
73
31
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