1999 - 2003 7.3L Power Stroke Diesel

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Rough idle at start-up

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Old

Dec 7, 2010 | 12:18 PM

#31

SC_Dave

Thread Starter

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Tuned

Joined: Jan 2004

Posts: 472

Likes: 13

From: Hickory, North Carolina

***** FIXED *****

Number 6 injector bad. Replaced and problem solved! Thanks to all who offered help!
David

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Old

Dec 7, 2010 | 01:36 PM

#32

PaysonPSD

Post Fiend

Joined: Nov 2007

Posts: 9,549

Likes: 14

From: Payson, AZ

Quote:

Originally Posted by SC_Dave

Number 6 injector bad. Replaced and problem solved! Thanks to all who offered help!
David

ALL RIGHT!! Glad you got it fixed and let us know the fix.

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Old

Dec 7, 2010 | 03:18 PM

#33

dn29626

Cargo Master

Joined: Oct 2009

Posts: 2,500

Likes: 14

From: South Carolina

Quote:

Originally Posted by SC_Dave

Number 6 injector bad. Replaced and problem solved! Thanks to all who offered help!
David

Good, but it makes you wonder why the dealership missed it when they had it the first time.

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Old

Dec 7, 2010 | 03:32 PM

#34

SC_Dave

Thread Starter

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Tuned

Joined: Jan 2004

Posts: 472

Likes: 13

From: Hickory, North Carolina

Quote:

Originally Posted by dn29626

Good, but it makes you wonder why the dealership missed it when they had it the first time.

You got that right! We are in that discussion right now!
David

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Old

Nov 14, 2014 | 09:51 AM

#35

fordtech-2

New User

Joined: Nov 2014

Posts: 4

Likes: 0

hard start

Quote:

Originally Posted by SilverBullet131313

Switch oil over to Rotella 5 -40 Synthetic. This will fix your problem if its when you first start the truck and its cold out and it does a kinda "bucking" idle jump for 5-10 seconds, then settles in normal.

never heard of putting 5w40 in a 73 powerstroke enlighten me please

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Old

Nov 14, 2014 | 03:16 PM

#36

Pikachu

Lead Driver

Joined: Jun 2004

Posts: 6,340

Likes: 588

From: Amarillo, TEXAS!

5w40 is pretty common for a synthetic diesel engine oil. Mobil Delvac 1, Rotella T6, etc. are all 5w40.

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Old

Nov 15, 2014 | 07:19 AM

#37

Tugly

Hotshot

Joined: Jan 2011

Posts: 18,849

Likes: 179

From: Puget Sound

The thinner mix really helps HEUI injectors in the cold, with their little parts needing to move unabated by syrup.

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Tags

2002, 2003, 2005, 54l, 60, 73, cold, diesel, idle, powerstroke, rough, rought, start, started, startup

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