Need some questions answered! You smart enough? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 12 (permalink) Old 05-01-2011, 08:24 PM Thread Starter
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Exclamation Need some questions answered! You smart enough?

Ok

95 PSD 300K 5 SPD 2WD

Misses from idle to 1200 rpm

Only a icp code with a new icp installed

Miss gets worse & better at times

Choppy exaust sound

Passed buzz & contribution. No other codes or lights. No smoke

Original HP Pump & Sticks


Usually idles a lil rough/surge at start up cold or warm for about 3 seconds.

2002 F350 SuperCab SRW Lariat, Hutch Mod, EBPV Delete, Straight Pipe, Chipped

2007 F550 Crew Flatbed

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post #2 of 12 (permalink) Old 05-01-2011, 08:26 PM
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Re: Need some questions answered! You smart enough?

how are the UVCH's?

2010 F350. CCSB. KEM, Spartan, H&S, GearHead, Flo-Pro, S&B, NADP/RCD
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post #3 of 12 (permalink) Old 05-01-2011, 08:37 PM
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Re: Need some questions answered! You smart enough?

hows the fuel pressure too?

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post #4 of 12 (permalink) Old 05-01-2011, 10:02 PM
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Re: Need some questions answered! You smart enough?

hpop oil pressure? worn injector,s low compression. hard starting? hows the somoke.
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post #5 of 12 (permalink) Old 05-01-2011, 10:42 PM
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Re: Need some questions answered! You smart enough?

Quote:
Originally Posted by oldschool View Post
hpop oil pressure? worn injector,s low compression. hard starting? hows the somoke.
He said there was no smoke. just saying.

-Jordan-
97 SCLB 7.3 Handshaker
Valair Clutch, only the best.
TS 6 Position Tyrant Tuning
S&B, MBRP, Isspro, Mag-Hytec, 1.00 A/R Exhaust housing, HPX
Full sound system: Kicker-Kenwood
BILLET BADGES
Dick Cepek DC-2's/Duratracs
On-Board Air
Few cosmetics
PSA # 269
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post #6 of 12 (permalink) Old 05-02-2011, 02:01 AM
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Re: Need some questions answered! You smart enough?

Which ICP code? There are different ones that get tripped for different reasons.

Last oil change? Is it full? Type of oil?

Does the miss change if you unplug the ICP sensor?

What CPS are you running?

If you can read codes, can you do a contribution test?

2002 F350 6-speed 444 CID. XLT, Heated Seat, 495,000 & counting.
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post #7 of 12 (permalink) Old 05-02-2011, 09:33 PM Thread Starter
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Exclamation Re: Need some questions answered! You smart enough?

First off dont have the exact code & I am getting tired of spending $100 everytime so do with what you know please.

95 250 PSD 300K 5 SPD 2wd

as for ICP code not sure which one but please figure what it would be with either of them

No other codes, lights, smoke etc.

Original HPOP & Sticks
Original drivers side uvc gaskets etc.
Original IPR that has been cleaned
Original CPS I think

What has been done?
Oil changed 2K ago Syn Rotella
New OIL press valve
#3 intake valve rocker bb replaced
IPR cleaned
New fuel pump & filter
Fuel housing cleaned
Turbo compressor inlet inspected seems good, clean no play
ICP sensor has been replaced
Pass side UVC all wires & gasket replaced & all ext inj pigtails replaced
Engine harness inj wires checked & replaced as neccesary

Last scan pass buzz, pass contribution
just that icp code

Symptoms:

start up cold or warm = choppy idle for 3 seconds 1/2 the time
cold engine seems louder
cold or warm = always misses sometimes more than others
also seems to clear up sometimes.
More power at 3/4 throttle than full throtlle

Feels similiar to a slightly plugged fuel filter on a gas motor when at full throttle

2002 F350 SuperCab SRW Lariat, Hutch Mod, EBPV Delete, Straight Pipe, Chipped

2007 F550 Crew Flatbed

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post #8 of 12 (permalink) Old 05-02-2011, 09:39 PM
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Re: Need some questions answered! You smart enough?

the tin nut on your ipr loose? ohm your injectors. should be between 2.9 and 3.6 ohms iirc. can help rule out bad uvch's and vcgs as well.

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #9 of 12 (permalink) Old 05-02-2011, 09:42 PM
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Re: Need some questions answered! You smart enough?

also is your fpr screen clean?

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #10 of 12 (permalink) Old 05-02-2011, 09:49 PM
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Re: Need some questions answered! You smart enough?

Sounds like maybe a HPOP or injector issue based from it loosing power at wot but not at 1/2 or 3/4.

-Jordan-
97 SCLB 7.3 Handshaker
Valair Clutch, only the best.
TS 6 Position Tyrant Tuning
S&B, MBRP, Isspro, Mag-Hytec, 1.00 A/R Exhaust housing, HPX
Full sound system: Kicker-Kenwood
BILLET BADGES
Dick Cepek DC-2's/Duratracs
On-Board Air
Few cosmetics
PSA # 269
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