Tach reading low (somethings not right)
11-23-2007, 11:44 AM
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Tach reading low (somethings not right)
Ever since I got my truck my idle usually sits around 750 rpm and I know what that rpm sounds like. Here reciently the tach occasionally has a mind of its own and wants to drop to 500 rpm and then jump back up to 750 even though the sound of the engine doesn't change. I haven't had time to pull the dash apart to see if any plugs are loose and my waranty expired about 2k ago. (figures 
)
Any clues? Anyone else seen this?
) Any clues? Anyone else seen this?
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