Highway mileage apex cutting out at high rpms

[minks_698]

This is an 06 apex with 19k + miles, otherwise still going strong. Has anyone experienced an abrupt cutout above a certain rpm or speed? In this case it happens when hammering on it or above 60ish mph or 8k rpm. It starts and runs excellent besides this and shows no codes. Our dealer is kinda stumped. Ideas? Is it starving for fuel, maybe fuel pump or could the filter be plugged?

 

[actionjack]

I would be looking electrical like the grounding block issues or the stator pickup

 

[steiner]

RPM related. Would either be fuel starvation or lack of power in the electrical system as actionjack mentioned

 

[srxr700]

When my fuel pump was bad recently, I had issues from idle all the way up to full throttle. If you do decide to replace it, make sure you order the rubber o ring that seats the pump to the tank.

 

[karlburns]

If the o ring is good just stretched out you can usually boil them in water for a bit and they will shrink back up.

Assuming we are talking about the huge thick o ring.