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AFN Problem

 
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bcblase  



Joined: 23 Oct 2007
Posts: 574
Location: Winchester, VA

PostPosted: Mon Mar 10, 2008 1:13 pm    Post subject: AFN Problem Reply with quote

Still having a rough idle and hesitation...

After new motor mounts, vacuum line replacements, a full tune up, and everything else I could think of (and get advice for from you guys), I finally cracked open the Air Flow Meter (AFM) this evening, and found the dreaded "grooves" in the resistance track - even worn through to the white stuff underneath.

I am going to attempt to reset the contacts to another part of the resistance strip and hope this is the problem.



I hope this is it...

BC
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1987 Porsche 924S - track toy
1986 Mercedes 190E 2.3-16v - autocross
2007 F-150 5.4L Lariat Supercrew - tow beast
1994 Volvo 850 Race Wagon - 24 Hours of Lemons Car
2001 BMW 325xi - daily driver
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Rasta Monsta  



Joined: 12 Jul 2006
Posts: 11733
Location: PacNW

PostPosted: Mon Mar 10, 2008 4:18 pm    Post subject: Reply with quote

That looks pretty ugly. Check Clark's Garage for procedure if you haven't.
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bcblase  



Joined: 23 Oct 2007
Posts: 574
Location: Winchester, VA

PostPosted: Tue Mar 11, 2008 1:58 pm    Post subject: Reply with quote

Looks like the AFM is fixed - seems to be idling much steadier now:



If you want to see a video of it in action with the engine running, click here:

<link coming soon>

BC
_________________
1987 Porsche 924S - track toy
1986 Mercedes 190E 2.3-16v - autocross
2007 F-150 5.4L Lariat Supercrew - tow beast
1994 Volvo 850 Race Wagon - 24 Hours of Lemons Car
2001 BMW 325xi - daily driver
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