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Louie, Technician
Category: Motorcycle
Satisfied Customers: 12575
Experience:  25+ yrs. experience
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2011 Polaris ranger 800 crew EFI 4X4 when the engine is cold

Customer Question

2011 Polaris ranger 800 crew EFI 4X4 when the engine is cold it idles great and shifts great. After engine warms up it idles up and down n can't shift in and out of gears because idle is to high. What needs to be fixed? ??
Submitted: 2 years ago.
Category: Motorcycle
Customer: replied 2 years ago.
Expert:  Louie replied 2 years ago.
Hi and welcome back to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, proposed preliminary check for a potential vacuum leak once the engine has warmed up. Inspect the intake manifold and the throttle body , the coupling and all/any other connections.In some instances, it may be due to the TMAP sensor; either dirty or failing.Please post back results / observations of the above once tried.