[DMCForum] Re: Dead freq valve update
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[DMCForum] Re: Dead freq valve update



Roger roger.

I didn't think the valve would completely stop buzzing if the CO screw
was wrong. I just thought it would buzz incorrectly.

More for me to check. Thanks. :)


--- In DMCForum@xxxxxxxxxxxxxxx, "Dave Stragand" <dave.stragand@xxxx>
wrote:
> Rich,
>  
> Bear in mind that the frequency valve may stop buzzing if it's actually
> functioning correctly, too.  Since the cleaning, your overall
mixture may
> have changed as things clean out.  Have you adjusted the CO mixture
screw
> again to check?
>  
> Remember, the best way to find out what is wrong with the car is to
ask it,
> and listen to its answer.  It sounds wacky, but it's the truth.  Ask the
> right questions and your car WILL tall you what's wrong.
>  
> Also, remember the principle of Occam's DeLorean:  All other things
being
> equal, the simplest solution is usually the correct one.  It's
natural for
> us to blame problems on components we don't understand -- everyone
does it.
> You just have to break down the situation into the right parts.
>  
> First off, you have to correctly define the question.  The problem
is not
> "what is the problem with the lambda system" -- it's "why is the
frequency
> valve not buzzing when it should be buzzing".  The main two
hypotheses that
> can be formed from that question are:
>  
> - The system IS functioning as designed (yes, that is a possibility, and
> remembering the principle of Occam's DeLorean, is actually the
probability)
> - The second is that it is NOT functioning as designed.
>  
> Then you need to come up with tests to try out each hypothesis. 
Here's a
> couple of things to try to test the first scenario: 
>  
> - Change the CO mixture and note the results.
> - Try checking the function of the O2 sensor per the manual... open the
> circuit, and do the test with the AA battery
> - Reread the section of the tech manual and come up with your own
questions.
>  
> For the second scenario, I'd try:
>  
> - Check all of the electrical connections and grounds.
> - Run the tests per the manual on the frequency valve.
>  
> As you see the results of each test, more tests may come to mind. 
Try them
> out, and see what you discover.
>  
> That's the scientific method of DeLorean maintenance we talked about
when
> you were working on the heads.  You have become the DeLorean scientist
> already -- you just need to get back to it.
>  
> The secret to Zen Maintenance is not a "knack" or a "gift"; it's simply
> putting enough pieces together to see the big picture.  There is a
perfect
> DeLorean engine that you are coming to understand.  Yours, at
present, does
> not match that mental picture, right?  So start to look at it from
all the
> different angles, and see how yours differs from the perfect one. 
Study the
> differences, and you will find an answer to your question.
>  
> Okay, that's enough of the Zen ramble for today.  =)
>  
> -Dave
> 
> 
> [Non-text portions of this message have been removed]



Yahoo! Groups Sponsor	 

ADVERTISEMENT
 
<http://rd.yahoo.com/SIG=12cprjnbm/M=267637.4116732.5333197.1261774/D=egro
upweb/S=1705126215:HM/EXP=1068664873/A=1853618/R=0/*http://www.netflix.com
/Default?mqso=60178338&partid=4116732> click here	
 
<http://us.adserver.yahoo.com/l?M=267637.4116732.5333197.1261774/D=egroupm
ail/S=:HM/A=1853618/rand=989028309> 	

To unsubscribe from this group, send an email to:
DMCForum-unsubscribe@xxxxxxxxxxxxxxx



Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service
<http://docs.yahoo.com/info/terms/> . 

<<attachment: winmail.dat>>



Home Back to the Home of PROJECT VIXEN 


Copyright ProjectVixen.com. All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
DMCForum Mailing List Archive  DMCNews Mailing List Archive  DMC-UK Mailing List Archive

This site contains affiliate links for which we may be compensated