Need more opinions before I tear apart my motor - Diesel Forum -
6.4L Power Stroke Engine and Drivetrain Discussion of the 6.4L Power Stroke diesel engine and drivetrain in the 2008-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.4L Power Stroke engine.

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post #1 of 2 (permalink) Old 01-09-2019, 11:56 PM Thread Starter
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Need more opinions before I tear apart my motor

Iím having a hard time believing ford that I need a new engine thatís going to cost me 20k. I have a feeling it just needs an injector or 2 and thatís causing them to get bad readings. I believe they said cylinders 3 and 5 are bad. They did a comparison compression test and 2 cylinders were down 20%. Iím going to manually check compression tomorrow with a gauge but wouldnít there be coolant in the oil or some major blow by if one or 2 cylinders were bad? I do get white smoke with a rough idle but it just reeks of diesel. I do smell some coolant but itís not from the exhaust I think itís leaking somewhere in the engine bay. I was literally making a U turn gave it maybe 60% throttle and just starting running rough and white smoke out of nowhere. Iíve replaced the rocker arms last month including the turbo. Also all the egr/dpf has been deleted including new up pipes that doesnít have the egr blockoff. Iíve spent so much money in this thing just to have to have the engine replaced at 150k. Any insight or tips would greatly be appreciated! Thank you
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post #2 of 2 (permalink) Old 01-10-2019, 08:10 AM
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If it does need an engine, iíd have yours rebuilt or replaced with a Cummins.

That way, youíd have a million mile motor in a good platform.

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2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM, Full Force Stage 1 injectors

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