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Power Strokes
7.3 Tech
2002 7.3 making tapping/knocking sound as rpms go up
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[QUOTE="jtgf250, post: 1223136, member: 16674"] Well had a chance to work on the truck some before leaving for work today. All rods look good as far as I can tell and movement of valve train looks good. Did change cps as the o-ring was leaking on it but no change. I did notice the most pressure I could read using AE when I drove the truck was about 2400-2600 icp. Had my father in law rev the truck up some while I was under the hood. Sound seems to be coming from the HPOP itself. If you hold the hpop lines, you can feel the pulse go right in time with the tapping. Faster and louder as you raise the RPM's. So right now I'm leaning towards the hpop. [/QUOTE]
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2002 7.3 making tapping/knocking sound as rpms go up
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