Pulsing, stuttering, and general power loss are all symptoms of a failing EGR temperature sensor. Don't risk your truck's performance - replace that sensor with an Alliant AP63471. This is a direct fit, stock replacement sensor that will match the quality of your OEM sensor. It's designed to restore power and performance to your 6.4 Powerstroke, so you can keep driving with confidence. Order now and get your truck back on the road!