Diesel Bombers - 05 5.9L Surging under throttle--no power increase?

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JXW	11-01-2010 08:00 AM

05 5.9L Surging under throttle--no power increase?

2005 5.9L 104,000 miles with G56 trans. Everything is stock save for MBRP cat back exhaust.

Symptom: Driving under throttle and acclerating the tach jumps (surges) no power increase whatsoever, noticable turbo engagement. This typically happens at around 1700 RPM's or just under 2000 RPM's.

Cause and effect or where to start looking first?

NMany thanks...JW.

Jagsdiesel

11-01-2010 08:28 AM

Possible causes without knowing codes. APPS(throttle sensor), Fuel pressure sensor, or fuel pressure regulator.

JXW	11-01-2010 09:13 AM

I attempted to pull codes by cycling ignition on - off, on -off and the odomoter showed - - - -, the said "done" and the mileage returned.

Ideas?

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