Hard start
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Junior User
Joined: Aug 2011
Posts: 99
Likes: 0
Hard start
with the tempture droping id like to get this problem fixed its way over due.
The tempture is about 50-60 degreese i turn the key to let the glow plugs warm up and i just get some smoke
, I turn the key back and forth a few times to let it warm up longer but still nothing.
i hop out bypass the glow plug Solenoid with a screwdriver and she fires right up.
I dont have this problem with it pluged in.
The Solenoid was replaced about 9 months ago.
Thanks for any information
The tempture is about 50-60 degreese i turn the key to let the glow plugs warm up and i just get some smoke
, I turn the key back and forth a few times to let it warm up longer but still nothing.i hop out bypass the glow plug Solenoid with a screwdriver and she fires right up.
I dont have this problem with it pluged in.
The Solenoid was replaced about 9 months ago.
Thanks for any information
Laughing Gas
Joined: Aug 2012
Posts: 915
Likes: 3
From: Palatka, FL
Go to the link in my signature and order that relay. I had to fabricate a piece of metal and bend it 90 degrees for a bracket to mount it to but it is rated at 200 amps and continuous duty instead of intermittent duty which means a larger contact surface area and less likely to go bad.
I think I paid 69$ for two of them shipped. I am keeping one on the shelf because I always like to keep a spare. The item price is 28$ but you have shipping also.
Dwayne
I think I paid 69$ for two of them shipped. I am keeping one on the shelf because I always like to keep a spare. The item price is 28$ but you have shipping also.
Dwayne
Last edited by 1fixitman; Oct 15, 2012 at 08:33 PM. Reason: More info
Thread Starter
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Junior User
Joined: Aug 2011
Posts: 99
Likes: 0
I went to test it but because the engine was still warm it did not read. i will wait till the Am to test it again.
This is the same thing that happened last time when someone told me it was the Solenoid. Can i test a sensor that tells the engine is cold?
This is the same thing that happened last time when someone told me it was the Solenoid. Can i test a sensor that tells the engine is cold?
Senior User
Joined: Sep 2011
Posts: 203
Likes: 1
From: Delaware
Amazon.com: White Rodgers 124-105111 Solenoid, SPNO, 12 VDC Isolated Coil, 13.2 Ohms Coil Resistance, Continuous Duty, Normally Open Continuous Contact Rating 100 Amps, Inrush 400 Amps: Electronics
We use these on our school buses. They control all the heaters and they are on all day. I also use them for the intake heaters on the Cats and Cummins and glow plugs on the T444E engines.
We get them from the local Blue Bird dealer but Amazon is faster.
We use these on our school buses. They control all the heaters and they are on all day. I also use them for the intake heaters on the Cats and Cummins and glow plugs on the T444E engines.
We get them from the local Blue Bird dealer but Amazon is faster.
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Post Fiend
Joined: May 2009
Posts: 5,470
Likes: 3
From: Pea Ridge, AR
It is calculated by the PCM, using AIT(Air Intake Temp) BARO(Barometric pressure inside the PCM) and EOT(Engine Oil Temp).
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Cargo Master
Joined: Oct 2007
Posts: 2,712
Likes: 107
From: BoCoMo
Get a little plug in digital volt meter that plugs in to the cig port from Wally world.
1) It will tell you the start state of your batts (12.5 v)....
2) It will tell you if the Glow Plug Relay comes on (drops to 11.5v)
(note truck needs at least 10.5v to start)
3) It will tell you when the GPR shuts off (voltage will start to rise slowly)
4) It will tell as the tuck is running and the GPR is shut off the output of the Alt.
(Alt shout be around 14.3 v((around)) output.
When all info looks good put meter away in console.
1) It will tell you the start state of your batts (12.5 v)....
2) It will tell you if the Glow Plug Relay comes on (drops to 11.5v)
(note truck needs at least 10.5v to start)
3) It will tell you when the GPR shuts off (voltage will start to rise slowly)
4) It will tell as the tuck is running and the GPR is shut off the output of the Alt.
(Alt shout be around 14.3 v((around)) output.
When all info looks good put meter away in console.
Cargo Master
Joined: Oct 2010
Posts: 2,089
Likes: 16
Since u seem to have issues periodically with your GPR, you may benefit by adding the Glow plug led.
Its simple and will let you know when your glow plugs are not coming on. With the LED in the cab, you can look and instantly see if the GPR is functioning.
Here is a really good writeup on it with pictures.
https://www.ford-trucks.com/forums/7...wmriceman.html
Its simple and will let you know when your glow plugs are not coming on. With the LED in the cab, you can look and instantly see if the GPR is functioning.
Here is a really good writeup on it with pictures.
https://www.ford-trucks.com/forums/7...wmriceman.html