05 6.0 bad turbo? - Ford Powerstroke Diesel Forum
 
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post #1 of 3 Old 08-07-2013, 06:59 AM Thread Starter
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05 6.0 bad turbo?

What's going on guys lets play catch up.

~6 months ago- boost was extremely high with little throttle/ sluggish. Replaced ebp sensor. Fixed problem

1 month ago- showed same symptoms pulled sensor cleaned and installed pigtail for connection on sensor. Seemed to fix

Yesterday- same. Pulled sensor and tube, cleaned/ blew out. Fixed the high boost. But...

Now truck is super sluggish. At WOT truck doesn't "bark" like it use to and take off. Rpms go to about 2300 and turbo will gradually build to about 27 and has a turbo fart at anything above about 15lbs of boost. Makes me think veins are stuck or solenoid went out. Also, Vgt doesn't cycle at idle anymore but have read that stuck veins can also cause this

However, when wot truck doesn't blow black smoke like its waiting for turbo to catch up. Fuel pressure stays between 60-70 doesn't drop down like it use to at wot. Still leaning towards turbo but I would think it would throw smoke, drop fuel press like it use to?

Sct tuner, straight turbo back exhaust, any help would be appreciated.

Soft codes-
p0069-baro press correlation
P0470- ebp sensor malf
P0478- exhaust press control valve malf
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post #2 of 3 Old 08-08-2013, 06:04 PM Thread Starter
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Got it, preciate the help!
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post #3 of 3 Old 08-08-2013, 07:14 PM
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Have you tried pulling EGR valve and cleaning it? I clean my turbo about every 25 thousand miles or so... but thats me..

05 F350 Crew Cab SRW
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Updated Oil Drain Tube
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