03 6.0 Turbo P0046 and P2263 PLEASE HELP - Ford Powerstroke Diesel Forum
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Old 01-11-2010, 11:55 AM
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03 6.0 Turbo P0046 and P2263 PLEASE HELP

When i got this truck I never started it i was told it possibly had a bad head gasket and a miss to it. So i went to town and installed new rings, bearings, rebuilt both heads, studded the heads, deleted the EGR cooler etc. (Even installed a set of 05 head lights). Truck starts and idles fine, it free revs good, when u floor it it goes to about 3500rpm blows alot of black smoke and sputters. when u drive it has no power hardly at all u can only go about 1/4 throttle and then it will start to sputter. If u floor it lots of black smoke and sputters like crazy. So i ran a KOEO test with my scanner and no DTC's. I ran a KOER test and i got P0046 Boost circuit solenoid performance and P2263 Boost system performance. The turbo is brand new. No MIL light is on.
ANY HELP WOULD BE GREATLY APPRECIATED THANKS
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Old 01-12-2010, 04:28 AM
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You think someone could possibly tell me the Parameters of the turbo? Volts etc. And by the way the ICP sensor and IPR is brand new
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Old 01-12-2010, 09:14 AM
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Well i found a broke wire going to the plug on the turbo i fixed it with a new plug. i still get the P2263 code, the truck still runs like *** and the P0046 code does not come back only the P2263. Any ideas? gonna get another turbo but im not to sure its gonna fix my problem
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Old 01-12-2010, 11:27 AM
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vgt solnoid would be my guess and its alot cheaper than a turbo so i would try it 1st.
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Old 01-13-2010, 07:00 PM
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my trucks having the same problem its going in the shop monday, if i find out whats the matter ill post it
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Old 01-14-2010, 03:53 AM
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VGT solenoid was correct i figured it out when i watched the VGTDC percent on my scanner it would fluctuate from 14% to 85% on the graph it looked like a roller coaster. But thanks for your posts
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