RPM's In Neutural | Ford Thunderbird forum club group 1955-2005 models

RPM's In Neutural

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I noticed on my LS that it would only rev to 3000 RPM in neutural. I tried it on my T-Bird and it also would only rev to 3000 RPM. Is this typical for all 3.9L engines?
Ed Robbins
Triple Black #4430

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Yes that is normal. Ford has put a rev limiter on the 3.9L so that it starts cutting out at 3,000 RPM when in neutral or park.

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Yellow/Yellow Prem. 02 Bird w/full accent
1999 F150 Super Cab 4x4 Off Road
1998 Taurus SE Sport 24V
 
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