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post #1 of 10 Old 10-20-2010, 09:20 PM Thread Starter
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No power

I have noticed my truck using more fuel than normal lately now it's making very low boost and is very low on power. It runs fine and has no miss but will only make 6-8psi max, before I had 20-22psi max. While my truck is running the check engine light is on but when the scanner is hooked up and I turn the key on there are no codes stored. When I start the truck back up the cel comes back on but the scanner won't read with the truck running. I have changed the oil, changed the fuel filter, cleaned the fpr screen, cleaned and checked the intake boots, and unplugged the map sensor and there was no change. I know it isn't a problem with the ebpv because I removed it several years ago. My truck info and mods are in my signature. Thanks in advance for any help.

Jason

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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post #2 of 10 Old 10-21-2010, 05:54 AM Thread Starter
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This morning I checked for exhaust leaks around the turbo and downpipe and there is no soot anywhere on the piping. I also pulled the air intake off and the compressor wheel looks good and spins freely also there is very minimal end play on the shaft. The turbo was rebuilt a few years ago so I didnt really think it would be a problem but I had to check anyway. Is it possible my truck is running in limp mode? If so, how do I reset it? I have tried disconnecting the batteries and there is no change.

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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post #3 of 10 Old 10-21-2010, 06:55 AM Thread Starter
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I checked the hpop and its full to the threads. I also unhooked the icp sensor and there was no change. Any ideas?

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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post #4 of 10 Old 10-21-2010, 07:14 AM
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You need to get a different scanner, sounds like the one you are using isn't capable of reading PSD trouble codes.

97 F350 CCLB 4x4 PSD
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post #5 of 10 Old 10-21-2010, 08:45 AM Thread Starter
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I had it checked at orileys. I figured their reader would be able to check the psd codes.

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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post #6 of 10 Old 10-21-2010, 08:58 AM
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nope, it wont read them. AZ cant read them either. Look at your IPR valve, see if its leaking....any fuel or oil in the valley?

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post #7 of 10 Old 10-21-2010, 09:27 AM
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Quote:
Originally Posted by CHUCK View Post
nope, it wont read them. AZ cant read them either. Look at your IPR valve, see if its leaking....any fuel or oil in the valley?
Do you mean ICP?

Check the valve cover harness connections and make sure the tin nut didn't fall off the IPR.

97 F350 CCLB 4x4 PSD
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post #8 of 10 Old 10-21-2010, 10:58 AM Thread Starter
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All the connections are good at the valve covers, the harnesses were replaced a couple years ago. I looked at the ipr and the nut hasnt fallen off. There is no oil or fuel in the valley, its bone dry.

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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post #9 of 10 Old 10-22-2010, 07:16 AM Thread Starter
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Any ideas? I've gotta use the truck tomorrow to tow my jeep to the off road park. I was hopeing to have it fixed for this trip. It still tows ok just not like it did before.

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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post #10 of 10 Old 10-26-2010, 09:40 AM Thread Starter
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I towed with the truck this weekend and it did ok but doesn't pull like it should on hills. Yesterday while I was out driving it I stopped twice and when I started it back up to leave the check engine light was off but it idled terribly and would hardly run, then the cel went off and it ran ok again. Any ideas about this? It could be whats causing my problems.

95 F350 psd, cc, dually, 5spd, 4.10. Banks Stinger Plus, Quick turbine housing, chip, pyro and boost guages on a-pillar, downpipe, removed cat and muffler. Griffin aluminum radiator with shroud and 2 Spal electric fans.
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