Giddy Yap...I had a clogged Cat Con that did the same
thing and drove the mechanic to the madhouse!!!
Check it out....

Kevin

--- Tom Young <tomyoung1@ATTBI.COM> wrote:
> Blake:
>
> It "sounds" like it might be a partially clogged
> catalytic converter.  I can
> hear it from here! :-)
>
----------------------------------------------------------------
> Tom Young                        '81 Vanagon
> Lafayette, CA 94549          '82 Westfalia
>
----------------------------------------------------------------
> > ----- Original Message -----
> > From: "Blake Heinlein" <blakeheinlein@HOTMAIL.COM>
> > To: <vanagon@GERRY.VANAGON.COM>
> > Sent: Thursday, October 17, 2002 1:00 PM
> > Subject: Engine power loss (need help)
> >
> >
> > Hi Everyone,
> >
> > I've been working on a mysterious power loss for
> the last week or so.  I
> > have an '84 Westy Automatic 1.9L Digijet
> Injection.
> >
> > Here are they symptoms:
> > - Idles fine
> > - Accelerates at about 1/2 of normal rate
> > - Makes a deep muffled roar when accelerating with
> load.  This is a new
> > noise that I can't explain.  Sounds like I paid a
> lot of money for a new
> > muffler.
> > - Can't imitate noise while in Park.  If I rev the
> engine in park it
> > doesn't make the noise.
> >
> > Diagnostics I have performed:
> > - Compression test on all cylinders (good)
> > - Removed sparkplugs and checked for spark (good)
> > - Removed fuel injectors and checked for spray
> (good)
> > - Checked fuel flow rate on fuel injectors (good)
> > - Checked fuel pressure at inlet T (good)
> > - Spark plug wire resistance (good)
> > - New spark plugs
> >
> > Well, those are the clues, now I'm hoping that
> someone will have clues,
> > suggestions, or other areas to check so I can
> diagnose this.  Thanks in
> > advance to everine

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