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1985 Toyota Landcruiser cranks but wont start

Tiny
ROXXY_CHICK
  • MEMBER
  • 1985 TOYOTA LANDCRUISER
Engine Mechanical problem
1985 Toyota Landcruiser 6 cyl Four Wheel Drive Manual

4wd cranks but wont start have checked glow plugs and they are good. Any ideas?
Monday, February 1st, 2010 AT 2:31 AM

9 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

You will have a 2H engine, things to check is the EDICT motor operating, that the motor on the side of the block with the rod going to the injector pump, it should move with the ignition turned on, this is what turns on the fuel, check glow duration, how long does the primary glow stay on for? Is the lift pump picking up fuel, crack an injector line at the injector and crank over is there any fuel? (Don't take pipe of just undo a few turns Start here.

Mark (mhpautos)
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Monday, February 1st, 2010 AT 3:37 AM
Tiny
ROXXY_CHICK
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Ok I checked what you have said. There is fuel coming out of the injector line. Im sbout to change the fuel filter for "in case" measures.
But when I went to start her this morning it fired up first go.
So its definatley something to do with the glow plugs. As it was raining and cold when I tried last time and again at 3am. Is it possible it could be the main glow plug relay? How do I check it if it is? Do you have a picture of it?

What else could it be?

Thanks
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Monday, February 1st, 2010 AT 8:38 PM
Tiny
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Hi there,
There are 2 relays for the super glow system, they are on the inner guard R/H/s (well this is true for this model in Aust where I am) you should hear them click, and with a volt meter you should get main voltage at the glow plug till the main relay shuts down, then partial voltage (after glow) till the second relay shuts down, there is a coolant sensor in the head top front with two wires, this tells the glow timer what the coolant temp is and adjusts the glow duration accordingly, now how did you check the glow plugs? There is a wrong and correct way to do this as well.

Mark
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Tuesday, February 2nd, 2010 AT 3:51 PM
Tiny
ROXXY_CHICK
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I tested them by using a light tester with the clip on the + of the battery and the light on the glow plug tip. I did take the bar off the top so they werent all connected.

Could there be a chance its the solenoid on the starter motor?
If so is it true you are able to change just the solenoid cause those stater motors are expensive!
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Wednesday, February 3rd, 2010 AT 3:05 AM
Tiny
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Hi there,

The starter has nothing to do with the glow circuit, what I need to know in the voltage at the glow plugs and duration of primary glow, and they drop down voltage(after glow) best way to test these glow plugs is with them removed use a multi meter on continuity test mode, that is with probes touching each other the buzzer goes off, place one probe on the thread and the other on the body, it the buzzer sounds there is a circuit and the glow plug is ok,

Mark
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Wednesday, February 3rd, 2010 AT 3:13 AM
Tiny
ROXXY_CHICK
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Ok I havent tested the glow plugs yet ill have to go buy a multimeter reader today.

I have a nother problem tho for the last few days she has finally started during the day but today I went to start her and nothing. I unscrewed 2 of the injectors at individual times and had someone crank her and no diesel came out of the lines. Is it possible to be the fuel injector pump? Either completely gone or timming?

It should still start during the day with no glow plugs I think and I did light test them to have them all light up?

Thanks
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Sunday, February 7th, 2010 AT 6:14 PM
Tiny
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Is there any fuel at any of the injectors? We are talking about a 2h engine, is the edic motor operation?

Mark
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Monday, February 8th, 2010 AT 12:33 AM
Tiny
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No fuel in the injectors yes its a 2h
no the rod is not moving properly

how do I check the control unit or would it be the relay? How do I check that? Can I find a wirring diagram anywhere that will tell me when there should be power and when not?

Thanks
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Monday, February 8th, 2010 AT 1:15 AM
Tiny
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This is getting a bit old for Mitchell 1, I will see what I can find on line, the Edic motor should move forward then back on cranks this puts the pump into over fuel for start up, do you have any air in the pump, there are 2 bleeders at the side top of the pump 10mm bolts, also check that the primer pump is not leaking as this will draw in air to the fuel system.

Mark
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Monday, February 8th, 2010 AT 1:37 AM

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