2003 7.3 erratic idle - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 01-09-2007, 12:46 PM Thread Starter
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2003 7.3 erratic idle

Not my truck, but here is what it is.

2003 F350 Dually Lifted on 35's, 7.3, Auto, 40,000 miles.

On cold starts, idle will go up to almost 2,000 rpm's then drops to around 100 where it will almost shut off. Will do the same thing when put in drive and when accelerating will fall on its face after you let off it'll regain rpm's and then take off normally. Once it's warmed up no effects, even if restarted after sitting for an hour.

This is the best I know, no codes yet and I'll try to get a video tomorrow or something. Any ideas? It's kinda vague I know, but I'll get more info when I experience it first hand tomorrow.

2001 F250
11.62 @ 115.79
Owner of Marty's Diesel
Elkton, Maryland

Last edited by Marty; 01-09-2007 at 12:54 PM.
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post #2 of 6 Old 01-09-2007, 01:15 PM
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first thing id do is change the oil.....
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post #3 of 6 Old 01-09-2007, 01:32 PM Thread Starter
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Think I should get the codes pulled now or wait till after the oil change?

2001 F250
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post #4 of 6 Old 01-09-2007, 01:39 PM
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Quote:
Originally Posted by Maintain View Post
Think I should get the codes pulled now or wait till after the oil change?
always get the codes first.......
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post #5 of 6 Old 01-09-2007, 01:51 PM Thread Starter
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Yeh, that's what I figured... lol.

I still have yet to pull the codes on my truck :kicks self in head:

Man, I thought that smiley was going to show up! ^^^^ lol

2001 F250
11.62 @ 115.79
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post #6 of 6 Old 01-09-2007, 10:47 PM
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get codes pulled first, with a good scan tool

2000 F350 Crew Cab Dually Larait all options
zf6 6 speed
SBC 4200 Full Fermaic DD Clutch
Custom Tunning by Swamps
Swamps 355 Injs
Itp Diesel Reg Return, Hi Po Delivery Kit
Aeromotive a1000 fuel pump
BTS Twin HPOP, Arp Head Studs, Di Pushrods, Comp 910's, Fluid Damper
Hypermax Mount Turbo Mount
S476 By Swamps BFH-HE
One piece rear drive shaft by haisley machine
Ntpa certifed Drive line shields done by Haisley machine
www.hoosiertruckclub.com
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