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Old 02-16-2010, 11:24 AM
Greg Greg is offline
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Join Date: Feb 2010
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Default Tachometer Fluctuations

Hi all,

Small problem with the factory tachomoter in my 99 Ranger.
Most of the time when I start the truck the idle will show around 800-1000 rpm and during driving will get as high as 3000 rpm @ 50MPH. Other times when I start he truck the Tach will jump right to 4000 rpm at idle and hover around 43-4500 @ 50 MPH during driving........any ideas as to what could be wrong? Oh.......when at the higher RPM the engine really doesn't sound like it's that high.

Thanks,
Greg
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