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Joe
Joe, Marine Mechanic
Category: Small Engine
Satisfied Customers: 7136
Experience:  ASE, electronics, Marine inboards and electronics, automotive drivability, all around repair tech,
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I have a 2008 Polaris 700 ranger it runs fine when its cold

Customer Question

I have a 2008 Polaris 700 ranger it runs fine when its cold but after 1/2 hour or so after it heats up it run fine up to 4000 rpm and nonpower after that and it backfires then a little I changed plugs, spark plug wires, temp sensor, and tested the coil it tested fine, anybsuggestions???
Submitted: 1 year ago.
Category: Small Engine
Expert:  Joe replied 1 year ago.

Hello,

Thank you for allowing me to assist you, my name is Joe and I will be happy to assist you with your concern today.

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Have you checked for misfires on the plug wires once the problem starts? Timing light will work best. How about fuel pressure?

Thanks,

Joe