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16 F150 2.7 Rpm bounce cold start

Old 03-14-2019, 04:01 PM
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Default 16 F150 2.7 Rpm bounce cold start

Hi all ,
was wondering if anyone elae sees the little movement in the tach while warming on a cold start up . The rpm needle seems to have a slight bounce/ flucate a bit. . Once she is warmed and idles down to around 600 rpms she is smooth with no movement . Been doing this since new and now have a little over 7000k now. Does anyone else seem to have this or any thoughts on this ?

Last edited by Ford_man_27; 03-14-2019 at 04:08 PM.
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Old 03-14-2019, 05:05 PM
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Mine usually holds about 1300 RPM until it warms up, then drops to about 850/900, then down to 6 once fully warmed up.

Haven't noticed any bouncing though, but I'll keep an eye out
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