7.3 ltr. won't start when cold
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New User
Joined: Aug 2003
Posts: 20
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7.3 ltr. won't start when cold
I have a 1994, F-350,4x4, 5 spd.,reg. cab, long box, factory turbo diesel. At the college I go to we don't have outlets to plug in diesels. When the temp. gets below 30 degrees my pickup won't start. Any add ons to help it start in cold weather?
Fleet Mechanic
Joined: Aug 2001
Posts: 1,526
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From: Round Rock, TX
7.3 ltr. won't start when cold
My neighbor has a friend who visits sometimes with an older Ford diesel. They have to use starting fluid to get it going if he's been there for more than a few hours. But I don't think that's the best solution to the problem. Changing the glow plugs won't be fun, however.
Posting Guru
Joined: Mar 2002
Posts: 1,942
Likes: 3
From: Willamette Valley, Oregon
7.3 ltr. won't start when cold
Try cycling the key til the glow plug light on the dash goes out a few times. If this does not help you could have a weak glow plug relay. the relay is the weak link in the system and should be around 20-25 bucks. worse case you could have a bad glow plug or two, but I would look at the relay first.
Posting Guru
Joined: May 2003
Posts: 1,242
Likes: 3
From: Joliet, Illinois
7.3 ltr. won't start when cold
Bad glow plugs are most likely and are no harder than spark plugs to swap out, but, if they are fried, the tips might be swolen and hard to remove, but it can be done.
Also the glow plug relay timers can be swaped for one with a longer cycle time for colder climates, cycling the key will also work but it's nice not to have to.
Also the glow plug relay timers can be swaped for one with a longer cycle time for colder climates, cycling the key will also work but it's nice not to have to.
