Injection Pressures - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 28 (permalink) Old 11-25-2011, 04:23 AM Thread Starter
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Injection Pressures

I recently made a 400 mile round trip and was watching the HPOP Gauge. I was wondering what you guys see while. Ruising down the interstate and going up inclines. I saw about 1200 just cruising and once we started going up hill it would hang at 2400-2600. Going down hill it went to 700. It idles at 550.

The only reason I ask is because going up hill only it would cut out. It did this only while accelerating or on inclines. It did this about 8 times the last 140 miles. The weird thing is, it started doing this once it started raining and stopped when the rain stopped.

The truck had about a 1/4 tank of fuel, new CMP, IPR, ICP, UVCH, and stage #1 injectors. These were do e about 2-3 months ago and been running extemly smooth except for this.

1997 F350 CCLB 4x4 - Stage #1's, Dp-Tuner F5, Swamps IDM, FPR shim, SD Intake mods, AFE intake, Gauges......

1998 Ram 3500 QCDRW 4x4 - p24v, Billet s464/83/90, ATS Manifold, TunnelRam, 6x.013's, AFE Intake, BD Intercooler, Gauges........
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post #2 of 28 (permalink) Old 11-25-2011, 06:06 AM
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Re: Injection Pressures

So, when it cuts out does the power come back on a few seconds later.

1996 F-350 cclb, H2E, e-fuel, srp1.1, custom tuning, banks intercooler, 3 in plenums, swamps babies, ARP's, comp 910's, Isspro EV2's, rsk v/c codes, 5 inch exhaust, king ranch seats, SD 10.5 axle, swamps idm, 6.0 fan, international w/p, hydroboost, SD trans lines, 6.0 trans cooler,6.0 P.S. pump
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post #3 of 28 (permalink) Old 11-25-2011, 12:32 PM Thread Starter
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Re: Injection Pressures

It's just just a quick hiccup. While accelerating, or going up an incline, you feel a quick jerk.

1997 F350 CCLB 4x4 - Stage #1's, Dp-Tuner F5, Swamps IDM, FPR shim, SD Intake mods, AFE intake, Gauges......

1998 Ram 3500 QCDRW 4x4 - p24v, Billet s464/83/90, ATS Manifold, TunnelRam, 6x.013's, AFE Intake, BD Intercooler, Gauges........
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post #4 of 28 (permalink) Old 11-26-2011, 04:13 AM Thread Starter
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Re: Injection Pressures

Come On, I'm surE there are several people out there who has an HPOP gauge.

1997 F350 CCLB 4x4 - Stage #1's, Dp-Tuner F5, Swamps IDM, FPR shim, SD Intake mods, AFE intake, Gauges......

1998 Ram 3500 QCDRW 4x4 - p24v, Billet s464/83/90, ATS Manifold, TunnelRam, 6x.013's, AFE Intake, BD Intercooler, Gauges........
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post #5 of 28 (permalink) Old 11-26-2011, 03:39 PM
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Re: Injection Pressures

sound like a connection thats being effected when wet. check the harness and connections on your icp sensor and your IPR also check main harness connections as well.

1996 DRW CCLB 2WD 5SPD 430k TOTALED
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post #6 of 28 (permalink) Old 11-26-2011, 06:17 PM Thread Starter
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Re: Injection Pressures

I plan to do that as well, the truck doesn't get driven everyday and it quite cold here, so that gets put on back burner. I have new pigtails on IPR and ICP. I plan to put new terminals in my CMP connector this week. My HPO never drops or fluctuates.

I really want to know what everyone is seeing for HPO furring different driving conditions.

Thanks to that have replied.

1997 F350 CCLB 4x4 - Stage #1's, Dp-Tuner F5, Swamps IDM, FPR shim, SD Intake mods, AFE intake, Gauges......

1998 Ram 3500 QCDRW 4x4 - p24v, Billet s464/83/90, ATS Manifold, TunnelRam, 6x.013's, AFE Intake, BD Intercooler, Gauges........
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post #7 of 28 (permalink) Old 11-26-2011, 06:37 PM
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Re: Injection Pressures

X2 on the IDM to check. The skips or glitches are likely electrical. To eliminate something, does it do it regardless of chip setting? If it always does it under accel, a bad spot on the TPS?

My pump keeps up with what is commanded on the tune-- [email protected] 11% idle and the aggressive tunes are about 3K @ 40-42% wot. the daily driver tune calls for about 2750 and the pump runs at about 36% (wot).

2000 F250 CCSB-- GT4294R, 250/100s, Dahl/Fuelab, PHP, scan gauge, stock 17* pump

1994 F250 4x4 SC (sold)
1997 F250 CCSB 2wd (sold)
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post #8 of 28 (permalink) Old 11-26-2011, 06:49 PM Thread Starter
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Re: Injection Pressures

Thank you, We drove down there in 140hp tune and got 17.6mpg. We drove back on stock setting and it was mostly all an incline. I also plan on pulling the chip and making sure it making good contact along with pulling the IDM and PCM connectors to see if they are corroded. While they are apart I will apply some dielectric grease and reinstall if everything looks gook. I have no codes.

1997 F350 CCLB 4x4 - Stage #1's, Dp-Tuner F5, Swamps IDM, FPR shim, SD Intake mods, AFE intake, Gauges......

1998 Ram 3500 QCDRW 4x4 - p24v, Billet s464/83/90, ATS Manifold, TunnelRam, 6x.013's, AFE Intake, BD Intercooler, Gauges........
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post #9 of 28 (permalink) Old 11-27-2011, 05:24 PM
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Re: Injection Pressures

on cruising around 55 (NYS speed limit) im at about 900 PSI warmed up its about 1100cold idle as about 540 warm and 600 cold thats with the chip set at anything above stock mode on the extreme setting its on the higher end of those numbers

1996 DRW CCLB 2WD 5SPD 430k TOTALED
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post #10 of 28 (permalink) Old 11-27-2011, 05:33 PM Thread Starter
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Re: Injection Pressures

I'll take a video and post up.

1997 F350 CCLB 4x4 - Stage #1's, Dp-Tuner F5, Swamps IDM, FPR shim, SD Intake mods, AFE intake, Gauges......

1998 Ram 3500 QCDRW 4x4 - p24v, Billet s464/83/90, ATS Manifold, TunnelRam, 6x.013's, AFE Intake, BD Intercooler, Gauges........
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