2004 6.0 trouble - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 04-29-2013, 02:03 PM Thread Starter
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2004 6.0 trouble

hello i am having some issues with a truck i just purchasd. At first it had a p404,p405 and p2263. I changed the egr valve and that took care of the egr codes but i still get the p2263 once a week. On top of that i noticed if i jump on the throttle and it hits 2500 it starts to buck and you can hear the turbo cough. After that i have changed the intercooler to turbo rubber hose and cleaned the ebp sensor and tubo and still have the same problem with the bucking. I really dont want to take the turbo off for a cleaning. Anyone have any more ideas that i can try.

Thanks James
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post #2 of 14 Old 04-29-2013, 02:09 PM Thread Starter
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i was trying to say cleaned the ebp sensor and still am having the same problem with the turbo with the bucking and coughing. I am still getting the p2263 once a week.
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post #3 of 14 Old 04-29-2013, 02:18 PM
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Code P2263 is set when MGP does not go above 15 kPa or 2.2 psi when the following condi- tions are met: RPM must be above 2800, VFDES above 35, and EGRVP above 0.10. All of these conditions must be present for at least 5 seconds for this code to appear. This code is used to detect a charge air cooler hose that has become disconnected. This code can also be set if there is any condition present that would cause low power. For 2003 model year this code could also be set if the difference between EP_G and EP_DES is more than 14 kPa or 2 psi for more than 15 seconds at idle or 60 kPa or 8.7 psi for 60 seconds above 800 RPM.

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post #4 of 14 Old 04-29-2013, 02:31 PM Thread Starter
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i've checked the intercooler hoses for cracks and didnt't find any. So what would be another way to go about this??
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post #5 of 14 Old 04-29-2013, 02:37 PM Thread Starter
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is there a way to test the ebp,maf,and map with a scanner. The reason i ask i am wondering if it possible to test using ohms??
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post #6 of 14 Old 04-29-2013, 02:43 PM
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Have you pressure tested your intercooler? Map, baro, and ebp should all be within 1.5psi of each other KOEO. Have you pulled your EGR valve for inspection?

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post #7 of 14 Old 04-29-2013, 02:54 PM Thread Starter
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No i havent pressure checked the intercooler. I looked at it expecting to see the gasket blown out the side but didnt see anything. The egr valve is about a month old... I was thinking about taking it to the ford dealer so they can do the koeo test. Since i dont have a scanner that shows that data im S O L... Can you test those sensors using a volt meter??
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post #8 of 14 Old 04-29-2013, 02:58 PM
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I believe they are all 5 volt references, but i dont know what the conversions are. Maybe the EGR is worth a pull anyway, damaged o-ring or somethin

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post #9 of 14 Old 04-29-2013, 03:09 PM Thread Starter
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Okay i will give that a shot. thanks
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post #10 of 14 Old 04-29-2013, 03:36 PM
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you check the CAC (intercooler) pipes and the boots on both ends? and the intake elbow? you could try replacing the gasket on the bottom of the intake elbow.. see if that helps but i'm not one to just throw parts at a 6.0L engine.. if i was you i'd invest in an autoenginuity set now rather than later

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