map sensor???
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Senior User
Joined: Sep 2012
Posts: 193
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map sensor???
hello, i have a 1997 7.3 and pull a 10k toyhauler with and am not impressed on towing uphill at all!!it has a 5 speed with 4:10 gears, tymar intake, 6 position chip,3 inch drop pipe with the cat deleted,new glowplugs,new fuel pump bowl lines and filter. i am impressed with the power not under load but geez when towing the trailer this thing is a pig. my buddy last weekend made a joke out of this thing with his duramax blazing by me on hills??i have heard the map sensor can be the culprite. so from what i have searched just unplugging it and if there is a difference it is bad is what i am getting however will it be noticable without a load?i bought this thing for towing specific and am highly disappointed so any help will be much appreciated...dont make me trade her in on a duramax. 
Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
https://www.ford-trucks.com/forums/1...+clarification
Do you have any gauges? What chip do you have? Do you have any boost/exhaust leaks?
Do you have any gauges? What chip do you have? Do you have any boost/exhaust leaks?
Fleet Owner
Joined: Aug 2004
Posts: 20,418
Likes: 197
From: AZ
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Lead Driver
Joined: Oct 2003
Posts: 8,476
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From: Madison, WI
Can't you get an EGT sender and tie it to the Scangauge?
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From: AZ
Post Fiend
Joined: Dec 2009
Posts: 15,505
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From: Livoina,La
I had there tunes. They suck. I bet it you were to put you truck on a AE to see live data you'll see a bunch if thing that not right. Like WOT being around 65% of the go pedal. Your HPO being limited. IPR being limited to around 45% dc just for starters. Them moving WOT is a trick to give you that WOW factor making you think you have a lot more power. And if you had a EGT gauge you'd see that temp are really high.
