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Old 04-26-2003, 06:54 PM
Gearhead forever's Avatar
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Post low rpm engine vibrations...why?

New motor, 800rpm vibe (truck at an idle..not rolling) but no engine noise audible. It started at about 400miles and seems to be getting a new vibe at about 1200rpm...under load. (now about 1400 miles) I'm thinking its an engine problem instead of trans because of the idle vibe. Any thoughts??? Please Help! Thanks.
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Old 04-26-2003, 09:06 PM
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Arrow

I'd check to see if you are hitting on all cylinders at that speed. A vacuum leak can cause a miss induced vibration that disappears as speed increases.
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