possible weak HPOP? - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 06-17-2019, 09:18 AM Thread Starter
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possible weak HPOP?

I recently fixed a boost leak in my 99.5 f350, after I fixed the boost leak my truck throws a service engine light soon when the boost goes above 27 psi, the boost then drops to 10 psi until the light turns off. I am assuming this is a symptom of over boosting. The codes I am getting are P0238,P1249, P1316, P0478, P1212, P0541. The Previous time this light came on their was also a P1211. Are these all symptoms of over boost codes? my local tuner says he can't tune out the over boost code but I got a hold of somebody at Gear Head tunes who said they do tune that out. Who is right?

Secondly the other day I Dynoed the truck and it put down 395HP at the wheels in the hottest tune But I am wondering if my HPOP is able to keep up with the 180/80 single shot injectors? I have uploaded the datalogging from the dyno. If the HPOP is indeed not keeping up would the Adrenaline HPOP be worth the extra cost over a factory reman?

Thanks, Kaden.
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post #2 of 12 Old 06-17-2019, 11:46 AM
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get someone elses tunes. You are around 2200 which is a LITTLE LOW but nowhere near enough to worry about. I would def. check your ICP sensor. more than likely oil is seeping past it and into the wire connection. Also the IPR which regulates the pressure from the hpop is VERY common to have the nut loosening and the wire pigtail connector rotting out.

Most see a bit of pep with a new IPR and IPR pigtail but I feel this is more tuning related. You should not need an overboost regulator and the tune manipulates the ICP reading. You need to see what you icp reading are on a stock file wide open throttle etc.

-99 F250, 4X4, 6.0 trans cooler, 08 mirrors, 05 grill, AIS Intake, lvl kit, JW Vbody, cncfab hpop lines, WW2.

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post #3 of 12 Old 06-18-2019, 09:39 AM Thread Starter
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What should I be reading for my IPR and ICP on stock tunes at WOT?
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post #4 of 12 Old 06-18-2019, 04:07 PM
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Who's tunes are you using? Pretty much all 7.3 custom tuning companies can tune out the overboost defueling. What other mods do you have?

00 f250 ext. cab, lb, 4x4, 158,000, zf 6 speed, South Bend 1944ofe, 4 in lift, 315/75/16 Courser MXTs, rear Detroit locker, PMF traction bars, Full Force 180/80 injectors, php hydra, Riff Raff frx, Riff Raff billet compressor wheel, Dieselsite pre pump kit, Dorman up pipes,IAH delete, ccv mod, 6637 filter, Auto Meter gauges, scan guage 2, 4 in diamod eye straight pipe 6 in tip.
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post #5 of 12 Old 06-19-2019, 09:07 AM Thread Starter
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I called My tuner the other day and he told me that he can't tune them out, So I am definetly going with somebody else's tunes.

So far it has the injectors, 4 inch turbo back and soon to be oil cross over line.
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post #6 of 12 Old 06-19-2019, 10:21 AM
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You still haven’t mentioned the tuner you are using.... gearhead, sdkperformance, php tunes are what I liked/ have a solid reputation. Tony wildman was a good one but not as active, and jellibuilt has been gaining some steam

Wasn’t happy with tune or service from 1023 diesel and fleet.

-99 F250, 4X4, 6.0 trans cooler, 08 mirrors, 05 grill, AIS Intake, lvl kit, JW Vbody, cncfab hpop lines, WW2.

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post #7 of 12 Old 06-19-2019, 09:19 PM
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The P0541 code it the Air Intake heater. I just had this code on my '02 and for some reason the positive line was missing. Curious why your truck would have this code.
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post #8 of 12 Old 06-19-2019, 10:43 PM Thread Starter
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I will check for missing lines on my intake heater, Thanks for the clue.

As for the tuner I have the TS 6 position tuner. I have never heard of Jelibuilt before I might have to give them a look.
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post #9 of 12 Old 06-20-2019, 09:56 AM
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What tunes are you using in the TS6? Your injectors need custom tunes to run right.

00 f250 ext. cab, lb, 4x4, 158,000, zf 6 speed, South Bend 1944ofe, 4 in lift, 315/75/16 Courser MXTs, rear Detroit locker, PMF traction bars, Full Force 180/80 injectors, php hydra, Riff Raff frx, Riff Raff billet compressor wheel, Dieselsite pre pump kit, Dorman up pipes,IAH delete, ccv mod, 6637 filter, Auto Meter gauges, scan guage 2, 4 in diamod eye straight pipe 6 in tip.
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post #10 of 12 Old 06-20-2019, 10:45 AM Thread Starter
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I had to custom tuned by Wild West Diesel, it runs great in all but the hottest tunes, or until I hit 27psi of boost. I just want it to be less smokey and not need to install a boost fooler.
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