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Oldsmobile Intrigue: Problems & Solutions
On another note that may be related: I notice a vibration at idle. About every two seconds I feel the motor vibrate and then it's smooth again. Back and forth like clockwork (about 3 seconds apart). It seems that for 3 seconds, idle is smooth and then it vibrates for 2 seconds. I feel it in the steering wheel, seats, and floor. It's not real pronounced but noticeable. When I stare at rpms, It appears to drop on a miniscule level during the vibration. I mean you have to really look closely to see it move (it's that minor of a change). Maybe a millimeter at the most. I've never mentioned this to the dealer but I will at next visit. Maybe my motor just needs to be idled higher? I'll check rpms at warm idle and follow up to compare with some of y'all. I use Chevron gas (87 octane).