Turbocharger Problem? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 09-22-2012, 01:41 PM Thread Starter
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Turbocharger Problem?

Major problem yesterday. I was moving my equipment to a job site and experienced a major loss of power. I have a '95 cab and chassis with a dump body and a huge central hydraulic system. The truck with me in it and 1 full fuel tank weighs about 7800lbs. I was pulling my skidsteer and trailer which together are about 11,000lbs. I also had my surface planer in the bed at about another 3000lbs. So I'm creeping up on 22,000lbs. I've pulled this load many times. First symptom was coming out of a curve at around 30 mph. When I stepped on the pedal, it just chugged. No turbo spool. I took off from a stop sign and it was chugging with no turbo spool again. The truck is an automatic, but it seemed like I was taking off in a manual in 3rd gear or something. When the rpm's reach about 2000+, the turbo will start to spool, but not loud like usual. And I have to get the engine up closer to redline to get the same normal power. Also, when it's chugging, the trans does not want to kick down. The only mods done are a 3" downpipe, cat delete with the exhaust turned out before the rear wheels. I've eliminated the ccv, and it has a k&n filter. Repairs this year have been a new icp sensor and plug, and a new carter replacement fuel pump. It also has a new water pump, 192 degree thermostat and a new Hayden fan clutch. The trans and tc are kind of tired. The tc rattles hard when either locking up or slipping when increasing throttle while cruising. There is also no cel. I have also noticed the last month or so that in the morning when I first start the truck, the turbocharger does not want to spool up until I either drive it quarter mile or so, or let the engine warm for quite a while. The truck has just under 98,000 original miles. I don't know what's happening, but I've got to figure this one out. Also, I do not have any aftermarket gauges. Thanks.
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post #2 of 9 (permalink) Old 09-22-2012, 03:16 PM
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Re: Turbocharger Problem?

I'm leaning towards the ebpv is closing on ya....

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post #3 of 9 (permalink) Old 09-22-2012, 04:12 PM Thread Starter
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Re: Turbocharger Problem?

I've thought that as well. Especially in the morning. I can hear it cycle in the morning. When the truck is acting up, if you step on the throttle it kind of sounds like a old gas engine sucking more air than fuel. I've been wanting to get rid of it anyway. I was just waiting until I had the cash flow to do the pedestal too. I just can't see it being the turbo just not wanting to spin. Besides, there's no other turbo symptoms. No external oil leaks. No oil in the exhaust. No unusual noises or vibrations coming from it either. I guess it's time to start parts shopping. Maybe someone else on the site has had an ebpv problem. Thanks Rob.
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post #4 of 9 (permalink) Old 09-22-2012, 05:55 PM
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Re: Turbocharger Problem?

For right now, just unplug the solenoid and wire open the EBPV. It will cost nothing other than 5 min of your time

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post #5 of 9 (permalink) Old 09-22-2012, 11:02 PM Thread Starter
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Re: Turbocharger Problem?

Yeah, that would get me by while I chase down parts. It would also let me be sure the ebpv is indeed bad.
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post #6 of 9 (permalink) Old 09-23-2012, 12:42 AM
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Re: Turbocharger Problem?

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Originally Posted by msscatter View Post
Yeah, that would get me by while I chase down parts. It would also let me be sure the ebpv is indeed bad.
There a two wire plug towards the bottom of the turbo pedastal, one wire should be green with a red tracer.

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post #7 of 9 (permalink) Old 09-23-2012, 04:49 AM
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Re: Turbocharger Problem?

Yep ^^^ thats what it sounds like. You really need to scan it, if it has P0476, P0478 its probably your EBP valve switch tube is plugged, pretty common to see. I'm never lucky at cleaning them, I just replace them. You can get the tube aftermarket from Dorman.

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post #8 of 9 (permalink) Old 09-23-2012, 01:10 PM Thread Starter
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Re: Turbocharger Problem?

I cleaned the tube this spring. It really wasn't dirty. But who knows what else is going on in the system. I'm probably going to do it all. Eliminate the ebpv, new pedestal and a 1.0 housing. Almost all of my driving is done in the country and I sure could use a boost in low end torque. This has got to be one of the dumbest ideas ever. Here in Michigan when it gets cold, we just plug the damn things in. Or at least let them warm up for a while. I'm hoping I can limp it through until winter. My fall is looking to be very busy, I can't afford any down time.
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post #9 of 9 (permalink) Old 09-24-2012, 01:30 AM Thread Starter
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Re: Turbocharger Problem?

Well, brought it all home tonight, no problems at all. Pulled great. Maybe it was just being temperamental. Who knows.
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