ClassicOldsmobile.com - View Single Post - Need advice. My 72 olds is running rough.

$tryker · 06-15-2007, 01:16 PM

It's doubtful the STP is your problem. It does sound like a vacuum leak.

Spray some carb cleaner around that booster and vac. line while it's running. If the idle picks up, there's your leak.

06-15-2007, 01:16 PM	#5 (permalink)
$tryker Member Join Date: May 2007 Location: Belle River Ontario Posts: 45	It's doubtful the STP is your problem. It does sound like a vacuum leak. Spray some carb cleaner around that booster and vac. line while it's running. If the idle picks up, there's your leak.