2000 Psd 7.3
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2000 Psd 7.3
Im still having problems with this truck. 175k miles on it and I just cant figure out why it is running like this. Rough idle even after the tank hutch mod. New oil and filter change, did nothing different. Cleaned the EBP tube and same ol thing. Yesterday I'm standing beside it with the hood up and it sounded like a light metallic tap on the drivers side.. Sounded like a beer can being tapped with a screw driver. I leaned in and it sounded like the power steering pump but I couldnt tell for sure. Im almost ready to take it to the dealership and pay them the $300.00 bucks so they can tell me nothing is wrong with it.. But after 175K miles, I know what it felt like last yr and we're not there anymore.
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Its not real loud but I have a sharp ear for anything out of the ordinary so I noticed it.
YES ! It seems like its running on half steam sometimes.. it has a hell of a time pulling my trailer up hill and it shouldnt be that way.
YES ! It seems like its running on half steam sometimes.. it has a hell of a time pulling my trailer up hill and it shouldnt be that way.
Logistics Pro
Joined: Aug 2005
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From: Morgan Hill, CA
Where do you live? I'd recommend having someone do an "Injector Performance Analyzer" test on it. It's also called an "Injector Break Out Box" test. You can turn each injector off individually with the right device and figure out which injector doesn't change anything when it's turned off. This service runs about $150 from a diesel repair shop or a Ford dealer.
I'm not talking about a cylinder contribution test. That is run electronically by a scan tool, but doesn't always detect a bad injector. I know, it happened to me.
I'm not talking about a cylinder contribution test. That is run electronically by a scan tool, but doesn't always detect a bad injector. I know, it happened to me.
Logistics Pro
Joined: Aug 2005
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From: Morgan Hill, CA
It would idle rough. It would chug a bit a low to mid range and then pull good but not great on the top end. If it's chugging at the top of the RPM range then you might be looking at under valve cover harnesses coming un clipped. That's a common problem but usually shows itself earlier.
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Mine is doing that.. I can pull the trailer at 70mph no problem but if I down **** to go up hill.. its like tieing 4 tons to my bumper.
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Fleet Owner
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From: Rio Rico, AZ.
Originally Posted by TRICOMEDIC19
Mine is doing that.. I can pull the trailer at 70mph no problem but if I down **** to go up hill.. its like tieing 4 tons to my bumper.
I fixed mine and now I hardly have to downshift. Using no chips or tuners while towing.
MASSIVE pulling power with my 13k lb 5th wheel behind me.
Fleet Owner
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From: Rio Rico, AZ.
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ya.. that was the problem about 3-4 months ago.. I just "thought" my fuel pump crapped out so I put another one on the rail.. Same problem, it wasnt sucking any fuel at 1/4" a tank. I dropped the tank and found that little funnel on the bottom of the mixing system was "GONE" I mean, it wasnt there so the dip tube didnt make it to the bottom of the tank... I know, I know.. dont run it that low..
Anyway, I did the HUTCH MOD from some of your posts.. That fixed the fuel issue even though I bent my float out straight and now it reads half a tank and dead empty.. DUMB MOVE... Anyway, so now I think I have plenty of juice.. I now think I have a injector or two crapping out.
Anyway, I did the HUTCH MOD from some of your posts.. That fixed the fuel issue even though I bent my float out straight and now it reads half a tank and dead empty.. DUMB MOVE... Anyway, so now I think I have plenty of juice.. I now think I have a injector or two crapping out.
Fleet Owner
Joined: Jun 2004
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From: Rio Rico, AZ.
Originally Posted by TRICOMEDIC19
ya.. that was the problem about 3-4 months ago.. I just "thought" my fuel pump crapped out so I put another one on the rail.. Same problem, it wasnt sucking any fuel at 1/4" a tank. I dropped the tank and found that little funnel on the bottom of the mixing system was "GONE" I mean, it wasnt there so the dip tube didnt make it to the bottom of the tank... I know, I know.. dont run it that low..
Anyway, I did the HUTCH MOD from some of your posts.. That fixed the fuel issue even though I bent my float out straight and now it reads half a tank and dead empty.. DUMB MOVE... Anyway, so now I think I have plenty of juice.. I now think I have a injector or two crapping out.
Anyway, I did the HUTCH MOD from some of your posts.. That fixed the fuel issue even though I bent my float out straight and now it reads half a tank and dead empty.. DUMB MOVE... Anyway, so now I think I have plenty of juice.. I now think I have a injector or two crapping out.
Before you say that your fuel supply is good, I very highly recommend that you remove your pump and shake it out over a container and verify that you can see a nice clean screen inside of the inlet side of your fuel pump.
I think this happens a lot to the people who "hutch" thier tank pickup, because it removes the fine screen inside the mixing chamber. After that there is nothing to stop the sediment from getting sucked into the fuel pump itself and it gets stopped by that screen. I shook a good spoonful out of my old pump when I put in the new one.
I still have the old pump on the shelf, I now use it for a transfer pump for tasks at work and it works just fine for that.
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ya.. I have been somewhat worried about removing those pre-filters. I was actually going to mount a marine grade canister on my rail too but havent done it yet. Would it hurt to blow air through it once removed?
Fleet Owner
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From: Rio Rico, AZ.
Originally Posted by TRICOMEDIC19
ya.. I have been somewhat worried about removing those pre-filters. I was actually going to mount a marine grade canister on my rail too but havent done it yet. Would it hurt to blow air through it once removed?
Really the only way to prevent a clogged screen is to never let it happen.
Once clogged there is no good way to get it cleaned out.
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