Turbo hesitation.

Car: Ford, F250, 2004, 6.0 - Back to Fix-It - Ford Repair Manuals

Q.A few weeks ago my 2004 6.0 had long turbo hesitation.
The problem was a split intercooler hose. (The blue one that connects to the turbo). Problem fixed. Now it's doing the same thing except the engine light is on. So, yesterday I stopped by Auto Zone and they put it on the code reader. This is what they found: DEFINITION- Turbo/Supercharger boost pressure not detected. EXPLANATION- ECM has detected a fault in the Turbo/Supercharger system. PROBABLE CAUSE- #1 Open or short circuit condition. #2 Poor electrical connection. #3 Faulty ICP sensor. #4 EGR system fault #5 Engine mechanical condition. How can I narrow it down or pinpoint the exact problem ?

I already checked/done: Checked all my hoses for cracks. Tightened hose clamps.

Answer Do you have the code numbers it is alot easier than the definition of the codes you supplied?
A common problem with the 6.0L is the Exhaust backpressure sensor or EBP it will be on the end of a small steel tube coming up from your exhaust manifold typically near the thermostat housing or on the driver side of the engine near the exhaust manifold.

This will be a P0470 - P0478 The turbos are a variable vane design sometimes they rust up and they stick this will require a dissassembly and cleaning or replacement of the center section. Normall this will be a P0299. The EGR valve can also create havoc this will be typically .. >> login for more

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Turbo hesitation.