Glow plugs
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Post Fiend
Joined: Feb 2004
Posts: 5,378
Likes: 3
From: nebraska
Glow plugs
Ok guys any off you change your glow plugs out. So what is the first symptoms that there not working properly. GPR Glow plug relay what issues here. When its not working what are the symptoms. Fuel injectors so if they go bad what are the symptoms. Sorry for all the questions guys. Just trying to learn.
JOEL 2003 7. PSD REG CAB
JOEL 2003 7. PSD REG CAB
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
When the GP's start to go bad you'll have trouble on cold starts. Here is a thread that will help with the understanding of the GP system
https://www.ford-trucks.com/forums/7...pr-system.html
This one is on the battery system
https://www.ford-trucks.com/forums/7...y-q-and-a.html
https://www.ford-trucks.com/forums/7...pr-system.html
This one is on the battery system
https://www.ford-trucks.com/forums/7...y-q-and-a.html
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
The first thread that I posted for you will explain how to test the GPR also. Basically you have two large terminals 1 is "hot" (line) and one is "hot when on" load" Test the voltage to see if you have 12 volts going to the line side, turn the key to the on position and see if you have 12 volts going to the load side. Take your meter and put a lead on each of the large posts when it is energized the closer to zero volts you have the better the condition of the relay.
Are you getting an SES light? Have you had the codes read?
Quite a few have done injectors and will guide you through the process. Let's start with the basics first, You may just have a loose UVCH.
What are the symptoms and problems that you are having?
Are you getting an SES light? Have you had the codes read?
Quite a few have done injectors and will guide you through the process. Let's start with the basics first, You may just have a loose UVCH.
What are the symptoms and problems that you are having?
