On Mar 16, 11:13 am, Mike Romain wrote:
> I had an 85 Coronet with the same sounding trouble. It was intermittent
> and wouldn't show when my mechanic had his head under there. Drove us nuts.
>
> We were doing something else unrelated and I was farting around and
> pulled the vent line off the carb's float bowl. The RPM instantly
> changed. It isn't supposed to...
>
> Turns out that was my first run in with a dirty air filter on the gas
> tank vent! There is this $2.00 filter that goes on the bottom of the
> charcoal canister that is supposed to get changed every major tune up.
> The first one is a bear to dig out, but subsequent ones just tuck in and
> out.
>
> When plugged, this canister does the neatest imitation of starving for
> and up and running out of gas by creating a vacuum on the gas tank and
> carb float bowl.
This is a very uncommon fix that I have heard a lot about recently.
>From EVAP trouble codes to not being able to fill a gas tank. I wonder
how many problems have been fixed by replacing this little filter??
Definitely a technical gem.
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