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I
ihc1470
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From
Idaho
Joined
Nov 19, 2023
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Today at 10:47 AM
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ihc1470
replied to the thread
Injector stuck in head
.
Different style injector is used on the DT300-400 series engines in that they clamp down rather than screw in. They will also stick...
Sunday at 10:48 AM
I
ihc1470
replied to the thread
Injector stuck in head
.
If you have the room you might try an impact wrench set low enough not to move it but to just jar it and hopefully get the atf and...
Feb 3, 2026
I
ihc1470
replied to the thread
Pulling my hair out with 6.9 fuel problem
.
Judging from your pictures it has two fuel tanks, do you have same issue on either tank? How full are the tanks? Have you tried running...
Feb 3, 2026
I
ihc1470
replied to the thread
7.3 idi hard to start unless use starting fluid or block heater
.
Loose or corroded connections cause heat which in turn causes melting. When you are pulling 200a does not take long for things to...
Jan 27, 2026
I
ihc1470
replied to the thread
7.3 idi hard to start unless use starting fluid or block heater
.
The one you have circled should go to the glow plugs. The other large one should have battery voltage at all times. If the terminals are...
Jan 26, 2026
I
ihc1470
replied to the thread
7.3 idi hard to start unless use starting fluid or block heater
.
If you got your glow plugs from Rock Auto they may not be OEM plugs. As u2slow says an amp meter is the best test however I will...
Jan 26, 2026
I
ihc1470
replied to the thread
7.3 idi hard to start unless use starting fluid or block heater
.
Just to make sure we are talking the same relay yours looks something like this correct? Two small terminals and two large. relay Either...
Jan 26, 2026
I
ihc1470
replied to the thread
7.3 idi hard to start unless use starting fluid or block heater
.
Do you have battery power at the glow plug relay? If so do you have battery power on the output terminal to the glow plugs when...
Jan 26, 2026
I
ihc1470
replied to the thread
MOUNTAIN ROAD TRIP Preparation!
.
My experience is the glow plugs draw 200 amps cold plus or minus a couple. Wonder if you are getting OEM plugs or China junk. Where have...
Jan 22, 2026
I
ihc1470
replied to the thread
1989 7.3 idi puffing white smoke out of exhaust and backfiring
.
First thing I would do is run a compression test and see what the basic condition of the engine is. That will tell you where you need to...
Jan 21, 2026
I
ihc1470
replied to the thread
Oil squirters
.
Unless they are plugged why would you need to change them? The only reason I could think of is possibly they might had increased the...
Jan 20, 2026
I
ihc1470
replied to the thread
Serpentine Tensioner Groove
.
This might be of interest. Tensioner information
Jan 19, 2026
I
ihc1470
replied to the thread
Serpentine Tensioner Groove
.
Three of that bracket on EBay at the moment. Looks to me like that grove is in the 93 bracket.
Jan 19, 2026
I
ihc1470
replied to the thread
I HAVE AN UPDATE!!
.
Well do not feel to bad. I have had this restoring project going for way to many years twenty two or more. I bought the car new in 1974...
Jan 16, 2026
I
ihc1470
replied to the thread
89 7.3 IDI sluggish
.
What if anything are you seeing in the exhaust? Has this truck been sitting for a long period of time?
Jan 12, 2026
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