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| 1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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#2
Thu, July 22nd, 2010, 11:09 AM
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Well, I deleted mine about a year ago. All I can really say is that I haven't had any negative side-effects. It makes for a great spot to plug in your boost pressure gauge sensor if you get an AIH delete plug that is tapped for it.
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Bob- 2003 F250 Lariat 7.3PSD CC SB FX4 Kwik (6637) Filter, RE 2.5" leveling kit, F350 Rear Blocks, TC Lock, Fumoto, EBPV/Exhaust Brake,6.0 Tranny Cooler, AIH Delete, IssPro EV2 Gauges, PHP Phoenix stock, 25tow, 40tow, 65tow, 80dd, 100perf, In-tank mods, Muffler Delete, WW, FRx,HPx, JW Stage 1 Trans, Swamps HV/HF IDM -Pulling a 38' Forest River Sierra 5th Wheel 
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#3
Thu, July 22nd, 2010, 11:43 AM
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It's your call on whether or not you want to take it out. It's not hurting anything by being there, but it's not doing much of anything anyway.
It only turns on when ambient air temperatures are below a certain temperature and the engine is idling for a specific amount of time. If you delete the heater, be sure to leave the relay and wiring in place (it's easy to tape up and stuff the red power wire into the engine valley) so that you don't get any codes. If you delete the relay and wiring, you WILL get a code that will fail your emissions test if you currently have testing in your area. Depending on the truck, it can turn on the check engine light if the relay and associated wiring is disconnected.
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Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes. SEVEN 7.3L-powered vehicles in the driveway. Two didn't come that way from the factory!
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#4
Thu, July 22nd, 2010, 11:55 AM
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Good point Cody. I do get a soft code from deleting the AIH, but it doesn't set any lights. The only detrimental effect I have seen is that I was unable to run a cylinder contribution test because of the code (which I couldn't clear because the AIH and wiring is gone).
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Bob- 2003 F250 Lariat 7.3PSD CC SB FX4 Kwik (6637) Filter, RE 2.5" leveling kit, F350 Rear Blocks, TC Lock, Fumoto, EBPV/Exhaust Brake,6.0 Tranny Cooler, AIH Delete, IssPro EV2 Gauges, PHP Phoenix stock, 25tow, 40tow, 65tow, 80dd, 100perf, In-tank mods, Muffler Delete, WW, FRx,HPx, JW Stage 1 Trans, Swamps HV/HF IDM -Pulling a 38' Forest River Sierra 5th Wheel
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#5
Thu, July 22nd, 2010, 12:05 PM
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Good point, Bob. I forgot about that.
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Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes. SEVEN 7.3L-powered vehicles in the driveway. Two didn't come that way from the factory!
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#7
Thu, July 22nd, 2010, 01:03 PM
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It may affect airflow to a small degree. I got rid of the one on my '01, but at 310 RWHP, I wasn't leaving any performance on the table with it installed or not. I just put a boost gauge fitting in the hole and called it good.
__________________
Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes. SEVEN 7.3L-powered vehicles in the driveway. Two didn't come that way from the factory!
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