Quote:
Originally Posted by johnflight1
the small line comes from the fuel accumulator if the diaphragm were to break the fuel would go thru this line to be recovered into the air inlet system.any fuel smell in this line would indicate a bad fuel accumulator.
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Thanks for that info - it sounds like it works as a back up device and doesn't have to do with contributing to a rough idle.
It's probably fine to replace it with a substitute hose, I presume.
Didn't notice a gas smell, but will double check when replacing the hose.