[V6-12v] Expected MAF output readings...
Joe - Audi
audi at olderie.com
Sat Mar 19 16:45:30 EST 2005
Thanks, but I've already cleaned it three times over the last year,
with no change...
On Mar 19, 2005, at 1:18 PM, T. Jackson wrote:
> I would definitely try cleaning the maf with a 90% or higher
> of alcohol before replacing it. I was experiencing a lean condition
> about a
> year ago and removing and cleaning the dirty maf sensor cured it.
> -----Original Message-----
> From: v6-12v-bounces at audifans.com [mailto:v6-12v-bounces at audifans.com]
> Behalf Of Joe - Audi
> Sent: Friday, March 18, 2005 4:26 PM
> To: v6-12v
> Subject: [V6-12v] Expected MAF output readings...
> Hello all,
> I've been running with a lean condition in my '94 100 (non-q, auto) for
> awhile now and have been trying to deny the inevitable cause: bad MAF.
> (Both O2 sensors throw sporadic control limit exceeded and ProDiag
> that they are trying to compensate for a lean condition. I've also
> / replaced everything short of MAF and fuel pressure - I don't have the
> proper tools to check fuel pressure.)
> Anyway, I've sampled some MAF output data at WOT approaching 6000 rpms
> per advice from other postings on the Internet) to check the g/s flow
> at the
> MAF and am only seeing around 106 g/s. There's a post at rb.com where
> someone notes they *think* this should be around 125 g/s for the 12v.
> anyone on this list confirm what I should be seeing? The Bentley
> give any expected values for this reading (Block 019, line 2) so I have
> nothing to compare against. (BTW, all the electrical troubleshooting
> in the Bentley for checking the MAF come back normal.)
> The MAF is ~$450 new (or ~$250 used) so I want to be absolutely sure
> mine is bad before I buy another one.
> Thanks in advance!
> -Joe Bossalini
> '94 100 S
> V6-12v mailing list
> V6-12v at audifans.com
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