[Mk2] [Turbo] Health Checking the AFM

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Mike
Posts: 898
Joined: Sat Jun 25, 2005 8:16 pm
Location: Bath

[Mk2] [Turbo] Health Checking the AFM

Post by Mike »

I'm pretty sure my Rev 2 Turbo is running lean. I've got it booked in for a dyno session with Interpro next week to hopefully get to the bottom of it, but having read other posts on the subject I'm starting to suspect a problem with the AFM.

So, how do I go about checking that it's operating correctly?

Cheers
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Mike
Posts: 898
Joined: Sat Jun 25, 2005 8:16 pm
Location: Bath

Re: [Mk2] [Turbo] Health Checking the AFM

Post by Mike »

Just found the relevant section from the BGB, time to find a multimeter!
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Johnr32
Posts: 389
Joined: Sat May 14, 2011 11:43 pm
Location: Erith, Kent

Re: [Mk2] [Turbo] Health Checking the AFM

Post by Johnr32 »

Just out of interest what makes you think its running lean?
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Mike
Posts: 898
Joined: Sat Jun 25, 2005 8:16 pm
Location: Bath

Re: [Mk2] [Turbo] Health Checking the AFM

Post by Mike »

Johnr32 wrote:Just out of interest what makes you think its running lean?



AFR reads around 17 at idle, get knock at high load and low revs, sometimes get a puff of grey smoke at high revs during wide open throttle.
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