BAd Glow Plugs?
Postmaster
Joined: Jul 2011
Posts: 3,061
Likes: 2
How long does the WTS light stay on for? the WTS light should stay on for ~10 sec. if it does not stay oon that long then you have at least one bad plug.
Testing is easy..... all you need is a 12V test light.
Connect the test light leed to the pos bat post. take the connectors off the glow plugs. touch the light to the glow plugs. if the light lights up then the plug is good. no light=bad plug.
If you do have any bad plugs replace them with motorcraft/beru only. part #ZD9. some guys have found them at oriley's auto parts. i got mine from rockauto.com. they were $10/plug. unless you have to do not get them from the dealer cuz they are $25/plug at the dealer.
Testing is easy..... all you need is a 12V test light.
Connect the test light leed to the pos bat post. take the connectors off the glow plugs. touch the light to the glow plugs. if the light lights up then the plug is good. no light=bad plug.
If you do have any bad plugs replace them with motorcraft/beru only. part #ZD9. some guys have found them at oriley's auto parts. i got mine from rockauto.com. they were $10/plug. unless you have to do not get them from the dealer cuz they are $25/plug at the dealer.
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Junior User
Joined: Sep 2011
Posts: 92
Likes: 0
Light goes on maybe 2 seconds. There is a click about every 2 seconds for about 10 seconds. But the light goes out quick. Then it clicks for a while. Then the clicks stop and I try to start. Which it doesnt do very well.
Thanks!
Thanks!
Postmaster
Joined: Jul 2011
Posts: 3,061
Likes: 2
Yep you have probly all but one or two plugs dead. the clicking is normal. it is the relay turning on and off the glow plugs. the system is working just fine. you just have some bad plugs.
You will want to crank the engine over once the WTS light goes out. the clicking is just to clear up startup smoke once it is running.
You will want to crank the engine over once the WTS light goes out. the clicking is just to clear up startup smoke once it is running.
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Junior User
Joined: Sep 2011
Posts: 92
Likes: 0
Well guess what?
When I tried to start the truck in the past I followed the instructions in the owners manual. Its says to depress the gas pedal (diesel pedal?) halfway to the floor. Yesterday I was working on it and thought "I got to try to start it again". Well I FORGOT to push on the pedal.
Started like a shot!
When I tried to start the truck in the past I followed the instructions in the owners manual. Its says to depress the gas pedal (diesel pedal?) halfway to the floor. Yesterday I was working on it and thought "I got to try to start it again". Well I FORGOT to push on the pedal.
Started like a shot!
Posting Guru
Joined: Jul 2004
Posts: 1,627
Likes: 0
From: West Valley Utah
Well guess what?
When I tried to start the truck in the past I followed the instructions in the owners manual. Its says to depress the gas pedal (diesel pedal?) halfway to the floor. Yesterday I was working on it and thought "I got to try to start it again". Well I FORGOT to push on the pedal.
Started like a shot!
When I tried to start the truck in the past I followed the instructions in the owners manual. Its says to depress the gas pedal (diesel pedal?) halfway to the floor. Yesterday I was working on it and thought "I got to try to start it again". Well I FORGOT to push on the pedal.
Started like a shot!
Pushing the throttle down when the engine is cold only sets the high idle solenoid. The truck should still start either way.
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Junior User
Joined: Sep 2011
Posts: 92
Likes: 0
I was wrong about the 2 seconds. When you FIRST turn on the ignition, yeah its like 8 seconds till the light goes out. It on repeated attempts that the light goes out in two seconds. Thats where I got the 2 seconds from.
Holding the pedal halfway to the floor like the OM says just doesnt work for mine.
Holding the pedal halfway to the floor like the OM says just doesnt work for mine.
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i ain't rite
Joined: Mar 2005
Posts: 65,492
Likes: 5,552
From: Marlboro Mental Hospital.
what is the outside temps when it is 8 seconds WTS lamp?
if it is under 40 degrees, my 88 will WTS light for 14-16 seconds. the warmer it is the less WTS time.
if it is under 40 degrees, my 88 will WTS light for 14-16 seconds. the warmer it is the less WTS time.
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