Whats wrong with my 6.4!? - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 03-18-2013, 03:00 PM Thread Starter
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Whats wrong with my 6.4!?

OK, recently installed H&S tuner with the HD300 tune and a 4" straight pipe exhaust on my 08 6.4. for the first week or so after i did that it was running great, lots of power, great mileage and did everything it should have done. THEN, out of no where its not running right.. very little power/torque, shifts at 2k every gear no matter how much throttle, and when i floor it the turbo spools sky high and the RPMs will just sit a 2k for way longer than it needs to before it shifts. another odd symptom is i get no black smoke when im on the throttle which i did pretty easily before this started happening.

ANY IDEAS ON WHAT COULD BE WRONG WOULD BE GREATLY APPRECIATED!
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post #2 of 16 Old 03-18-2013, 05:49 PM
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Have you done an update? Is your DPF deleted?

2008 F250 Harley Davidson 4x4, Upgraded LED lighting, JL Audio 13.5" Stealthbox, JL Audio C3 door speakers, JL Audio 500.1 for the stealthbox, JL Audio 400.4 for the doors, Viper 5704 alarm/SmartStart and GPS tracker, JimmiJammer door plates, JimmiJammer gateguard, Delete front lock/rear handle swap, DPF delete, MiniMaxx, 2.5" level, Sinister coolant filter, 55w 6000k HID's driving/fog lights, S+B CAI, MBRP 5" DP back exhaust, 35x12.5x20 TIS 20" rims, Nitto Trail Grapplers, adjustable track bar.
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post #3 of 16 Old 03-18-2013, 06:43 PM
Yeah it's a Turbo Diesel
 
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Whats wrong with my 6.4!?

Have you checked the ebp tube? Those can get frozen or the tube can get dirty and cause all kinds of problems, some of which your describing. Try removing it and cleaning it out


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Tinted | Focal speakers & 12" Kicker | CTS Insight | CNC fuel line kit | PIS 200/80's | KC38R | Nathan P3 train horns & Onboard Air
Switching to hid's? Do it right!

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post #4 of 16 Old 03-18-2013, 06:53 PM Thread Starter
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yeah i have the latest update on the tuner and the DPF is deleted. and thanks MTS678 ill look into that too
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post #5 of 16 Old 03-18-2013, 07:23 PM Thread Starter
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Quote:
Originally Posted by mts678 View Post
Have you checked the ebp tube? Those can get frozen or the tube can get dirty and cause all kinds of problems, some of which your describing. Try removing it and cleaning it out


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After a little research on the EBP tube its really starting to look like thats the problem, at least i hope its that simple! ill be taking it off tomorrow to see for sure. Thanks again
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post #6 of 16 Old 03-18-2013, 09:33 PM
Yeah it's a Turbo Diesel
 
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Whats wrong with my 6.4!?

Alrighty, I hope that's what it is too- let us know what happens


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post #7 of 16 Old 03-20-2013, 08:50 PM Thread Starter
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Tube was clean but sensor was bad.. Back to running like i champ! thanks again
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post #8 of 16 Old 03-20-2013, 08:53 PM
Yeah it's a Turbo Diesel
 
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That's great! Man it almost Never works out that way does it??

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post #9 of 16 Old 03-20-2013, 08:58 PM Thread Starter
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Sure doesnt! i was pleasantly surprised, fingers crossed for future smooth sailing.
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post #10 of 16 Old 03-21-2013, 03:34 PM
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Okay, WTH is an EBP tube?
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6.4 problems , stumped , tranny problems , turbo problems

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