Mark:  I nthis age of Catalylic Converters, I think we need to modify
that old adage of checking for Compression, fuel, and spark and add
"breathing".

YMMV

DM&FS

At 03:04 PM 10/18/2011, mark drillock wrote:
>A family member called about their Vanagon. Ran ok for a long time but
>recently ran it very low on gas. After adding some, it seemed low on
>power and much worse up hills. Running smoothly, just low power and
>getting worse as it is driven, barely making it up big hills. They live
>at 6,500 feet and everything is a hill.
>
>Thinking bad fuel or stirred up debris in tank he changed the fuel
>filter, no help.
>Checked compression, all ok.
>Did fuel pressure and fuel delivery test, all good.
>Unhooked intake snorkel hose to air cleaner, no help.
>
>I suggested he look at the cat so he did.
>All busted up inside into chunks.
>Removed chunks, power back!
>
>Coincidence, or did running low on fuel somehow finish off the cat? My
>guess is coincidence but others have reported similar sounding
>circumstances.
>
>Mark