High Idle for 7.3? - TheDieselGarage.com
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post #1 of 15 (permalink) Old 02-19-2008, 11:46 PM Thread Starter
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High Idle for 7.3?

I've heard about a homebrew fast idle. Does anybody know anything about this for a '03 7.3? Thanks.
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post #2 of 15 (permalink) Old 02-20-2008, 12:56 AM
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Sorry to butt in, but what would that be used for. My 02 comes up to a high-idle in cold weather. - Ol Red
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post #3 of 15 (permalink) Old 02-20-2008, 01:26 AM Thread Starter
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I was thinking of rigging a up PTO winch.
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post #4 of 15 (permalink) Old 02-20-2008, 01:49 AM
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well Defuser has one on ebay for a lil over 70 bucks, can get a Chip with it as a tune.. or can get the factory module off ebay for 100 bucks on up.. some one had did one with a hand full of radio shack parts a while back, that pigtailed in to the throttle position sensor i'll have to look around and see if i can find it

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2001 F350 SRW extended cab long bed 7.3L 4X4, itty bitty lift, Rollin on 305/70/16's, 4inch straight pipe from turbo back, EBPV delete with Blank Garret pedestal and outlet flange, Foil Delete, CCV and Zoodad mod, SS X-over, Autometer Gages, Pyro, Boost, & Trans. DP Tuner F5, Stock,High Idle, 80eco, 80tow, 100performance, 120race, 140 aggressive/smoke... just getting started on it really, with a growing list of items for the future

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post #5 of 15 (permalink) Old 02-26-2008, 04:46 AM
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heres some text off another forum..

This was on an 2002 so check the wire colors first, they should match up

"Get a 5k ohm linear potentiomer with integrated switch form MOUSER part # 31VM305 for $1.72 Also get 5 3M connectors part # 517-560 for 12 cents each.

Get one each of the following 1/4 watt (1/2 watt will do) resistors from either Mouser or radio shack: 2.7k, 3.3k, 3.9k, and 4.7k ohm. You will only use one of these, but you will have to pick the one you like best.

Take your "go" pedal out of the truck. It takes one or two screws and it unplugs.

Get some 16 or 18 gauge stranded wire to hook everything up.

Using the 3M tap connectors, parallel the switch on the pot to the red wire with yellow stripe and the red wire with green stripe. It doesn't matter which terminal on the switch goes to which wire. It's only a switch. By the way, this is called the TVS, throttle validation switch.

Now, using the 3M connectors again, tap into the grey wire with the white stripe and hook it to the center connector of the potentiomer.

With another 3M connector, hook the brown wire with a white stripe to one end of a resistor. Hook the other end of the resistor to the left side of the potentiomer, looking from the shaft side. This is called the TPS Throttle Position Sensor.

By the way, all of these connections are done ABOVE the "go" pedal connector, not on the pedal. I guess you could, but then you can never remove the pedal again.

Put the pedal back in. That's it.

Now here are the gotchas... I wired all of this up in the floorboard using alligator clips so I could try it out before I made it permanent. You may have to try several different values of resistor to get the idle speed up as high as you would like it. A smaller value will make it idle faster.

If you hook the resistor to the wrong side of the pot, when you switch it on, you will go into fast idle, and it will come down as you rotate the pot clockwise. You want it to switch onto low idle and increase as you turn it up, so you should be connected on the left side of the pot as you face the knob.

This control mounts nicely in a 1/4 inch hole on the blank panel just below and to the right of the steering column, just above the fuse panel door. Get a nice knob from mouser and it will look factory.

I hope this helps because I just can't explain it any more clearly.

Good luck."



Some one had also mentioned that you could take it to a dealer and tell them you would like it reprogrammed for the pto setting and that you are wanting to use your cruze control to up the idle speed.If you do not have cruze then you will have to find the right ecm wiring and install a switch In not sure on this, but im sure you could call your area dealer and find out..

The Diesel:
2001 F350 SRW extended cab long bed 7.3L 4X4, itty bitty lift, Rollin on 305/70/16's, 4inch straight pipe from turbo back, EBPV delete with Blank Garret pedestal and outlet flange, Foil Delete, CCV and Zoodad mod, SS X-over, Autometer Gages, Pyro, Boost, & Trans. DP Tuner F5, Stock,High Idle, 80eco, 80tow, 100performance, 120race, 140 aggressive/smoke... just getting started on it really, with a growing list of items for the future

TDG Singles Club Member#4, Outlaw #20

The Gasser:
1979 Silverado, SNB, with late 90's stepside bed,billet step plates, 454TBI with quite Kenne Bell supercharger, Air Ride in the Front with LRD plates and cups with RE7 Slam Bags run on Nitrogen threw 3/8" SMC valves on 1/2" dot airline, 10in drop in the rear with c notch, riding on 20x9 Panther Vector's rolling on a set of 255/35/20 rubber
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post #6 of 15 (permalink) Old 02-27-2008, 12:33 AM
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Quote:
Originally Posted by King0581
I've heard about a homebrew fast idle. Does anybody know anything about this for a '03 7.3? Thanks.
I ordered the Dfuser AIC sunday but when i get it installed i will let ya know how it works...

2007 Dodge 2500 5.9 CTD Quad Cab 4x4 Southbend DD Smarty SR Edge Juice w/ Att. ATS Intake Manifold Cold Air Kit Silencer Ring M.I.A. 4" Turbo Back w/ 8" tip 2" Leveling Kit 35's
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post #7 of 15 (permalink) Old 02-27-2008, 12:49 AM Thread Starter
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Originally Posted by cumminsdieselfr
I ordered the Dfuser AIC sunday but when i get it installed i will let ya know how it works...
Just checked it out on there site. Looks simple enough. Keep me posted on how it works out for you. Thanks.

Lee

'05 2500 quad cab 4x4 auto
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post #8 of 15 (permalink) Old 02-27-2008, 12:55 AM
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hey king look here http://pages.prodigy.net/stevebaz/_i...az/index3.html
not sure if its in there but it is a cool site to bookmark
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post #9 of 15 (permalink) Old 02-27-2008, 09:46 PM Thread Starter
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I had also been told that the dealer could reprogram the truck and you could use the cruise buttons to operate the the fast idle. So i called the dealer today to see how much it would cost and the dealers that i called said they had never heard of that being done. Anybody else heard of this being done? The link that camojeeper gave does have a do it yourself fastidle on it on it. If the one that cumminsdieselfr was talking about works out for him I might go with that one. Thanks

Lee

'05 2500 quad cab 4x4 auto
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post #10 of 15 (permalink) Old 03-01-2008, 02:33 AM
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Quote:
Originally Posted by King0581
Just checked it out on there site. Looks simple enough. Keep me posted on how it works out for you. Thanks.
I got it in the mail today. Instructions seem very simple! But i have never looked at the pedal assembly but I will try an get it in tomorrow. p.s. If anyone has any pics or additional info on this install of the DFUSER version please feel free to tell us.

2007 Dodge 2500 5.9 CTD Quad Cab 4x4 Southbend DD Smarty SR Edge Juice w/ Att. ATS Intake Manifold Cold Air Kit Silencer Ring M.I.A. 4" Turbo Back w/ 8" tip 2" Leveling Kit 35's
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