Q: 06 fusion manual transmission. When going constant speed car sputters. If I go over 4K rpm usually doesn't.

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Once I'm at cruising speed if Rpms are going to stay constant anywhere below 4-4500 rpms the car sputters non stop. Almost I hit the brakes and accelerate every few seconds. I have changed plugs and filters. Clutch is brand new and it did this same thing with the old clutch.

Thanks

My car has 220000 miles.
My car has a manual transmission.

Hi there. When you hear the engine sputter, it’s typically caused by either a fuel system restriction or an engine misfire. In some cases this can be due to clogged fuel injectors, damaged throttle body or mass air flow sensor / EGR valve that is in need of cleaning or replacement. I would recommend having a professional mechanic come to your location and complete an inspection to help you isolate this problem and recommend the right repairs.

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