youngster needs help
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Senior User
Joined: Jul 2007
Posts: 287
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From: Ohio
youngster needs help
well im 19 and ive had my first diesel for a little over 2 months and lately its been starting hard.i would have crank it alot and tuesday night i got off work and it turned over twice and started and the next morning it did it again. but when i got to my grandpas and was ready to leave it wouldnt start for nothing when i got home from work it fired right up. any body know what this could be.
THANKS
THANKS
Lead Driver
Joined: Nov 2003
Posts: 6,900
Likes: 3
From: Campbell River, B.C.
Start by testing the glow plugs.
Unplug each glow plug from the harness and use a 12v test light to test for continuity. The light should come on nice and bright.
How long is the WTS light on when you start it? (looking for approximately 10 seconds for cold start)
Unplug each glow plug from the harness and use a 12v test light to test for continuity. The light should come on nice and bright.
How long is the WTS light on when you start it? (looking for approximately 10 seconds for cold start)
Senior User
Joined: Apr 2008
Posts: 326
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From: eaton ohio
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Senior User
Joined: Sep 2007
Posts: 363
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From: Indiana Cornfields
I am having almost this exact same problem on my 84. So I am also interested in what could cause this.
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Lead Driver
Joined: Nov 2003
Posts: 6,900
Likes: 3
From: Campbell River, B.C.
If they check out, than its time to check for fuel starvation.
While cranking, pop the schrader at the fuel filter head to see if fuel is comming out. You can do this test by yourself if you pop the valve quickly after you stop cranking. An alternative test to cranking is to take the filter assembly off and see if the filter is full of fuel. It should actually spill a little when you take it off.
If that checks out, than crack the torque on one of the injecor lines and crank the engine over to see if fuel is squirting out at the connector. (keep clear of the connector).
If the fuel filter is not full, than you have an air leak in the fuel system and fuel is draining back to the fuel tank upon shut down. The typical symptom is the engine fires up well when hot, but dies after less than a minute of idleing and is then very hard to restart.
If the injector pump is not firing the injectors, than the FSS (fuel shut-off solenoid) could be at fault. As others have already said......
Lead Driver
Joined: Nov 2003
Posts: 6,900
Likes: 3
From: Campbell River, B.C.
One dead GP will cause a misfire for the first few seconds after startp, but two could be enough to make starting difficult.
I'm not completely sure, so some one please correct me if I'm wrong, but doesn't the 87 and up glow plug controller shut off if two or more glow plugs are dead?
Cargo Master
Joined: Feb 2007
Posts: 2,477
Likes: 21
From: Taylorsville, NC
What brand of glow plugs are they? If they are not BERU brand than extreme caution should be taken when removing them. If a tip breaks off, very bad things can happen.
One dead GP will cause a misfire for the first few seconds after startp, but two could be enough to make starting difficult.
I'm not completely sure, so some one please correct me if I'm wrong, but doesn't the 87 and up glow plug controller shut off if two or more glow plugs are dead?
One dead GP will cause a misfire for the first few seconds after startp, but two could be enough to make starting difficult.
I'm not completely sure, so some one please correct me if I'm wrong, but doesn't the 87 and up glow plug controller shut off if two or more glow plugs are dead?