RE: IML: my 81 with EFI

["Dick Benjamin" <dickb@xxxxxxxxx>]

As you may already know, the main problem with air leaks on these cars was
not so much vacuum leaks, but ANY air leak which allows air to get into the
intake without passing through the air flow meter.   

When this happens, the car usually will only start and stall, it won't keep
running at all, but I guess if there is a really small enough air leak
around the lid gasket or the two gaskets where the HSA bolts to the intake
manifold, it will continue to run but have an incorrect mixture, since the
computer isn't getting the right information from the air flow sensor.  

I don't know that this would make it run too rich, however - my guess is
that such a problem would make it run too lean (thus stumble on rapid
acceleration, and maybe pop back through the air intake), but since I've
never experimented with this situation, I really am only guessing.  

I expect the "running too rich" symptom to be caused by a fluid leak inside
the intake system.

Dick Benjamin
________________________________________
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Daniel Mennillo
Sent: Tuesday, January 02, 2007 9:52 AM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: IML: my 81 with EFI

   I recieved a few sugestions I,m going to recheck for leakage in hydraulic
support
assembly and vacuum leaks. I did change the Oxgen sensor with no improvment.
I will let you know in a day or two if anything helped.
   In the meantime I was asked about a right-hand tailight. As soon as I
take the EFI
parts off any other parts are available. No charge, just shipping.
   
   Dan M.
 
 




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