Toyota 7FGU30:
won't start

Forklift will start 20 times fine, then it won't. We have called repair shop twice and the darn thing starts OK the next day. We feel pretty stupid. It's acting up again. The only thing I just noticed was a symbol on monitor next to SAS that looks like two tires connected by an axle and differential with two vertical arrows pointing to axle. Any suggestions? Thanks
  • Posted 12 Aug 2008 16:22
  • Discussion started by tunaguy
  • Arizona, United States
Showing items 1 - 15 of 17 results.
My 7fgu25 has been doing the same thing, have you found the solution?
  • Posted 10 Mar 2021 08:07
  • Reply by Dean_Boser
  • Minnesota, United States
Dean
I have a 7fgcu20 that starts for about 5 min, while running you can hear a ticking from gas regulator valve then suddenly the ticking goes away and forklift shuts off
  • Posted 13 Feb 2020 05:01
  • Reply by Gio_Stenner
  • Arizona, United States
Gio Stenner
I have a 7fgcu20 that starts for about 5 min, while running you can hear a ticking from gas regulator valve then suddenly the ticking goes away and forklift shuts off
  • Posted 13 Feb 2020 05:00
  • Reply by Gio_Stenner
  • Arizona, United States
Gio Stenner
Having almost the same issues. My issue is with 8FGCU25 model. But months back the lift just died and would only start after it cooled down. Shortly after it just wouldn't start. So I changed the regulator, and the solenoid and the fuel filter assembly (not new parts as I used the parts from a downed lift soon to be scrapped. After changing parts I got almost 40 hours out of it before it stopped running again. Lift will start with starter fluid! Checked the regulator which is good to my knowledge after testing it with the big hose off and not getting any pressure when cranking. I did check to see if I was getting power to the solenoid which it wasn't so I am going to check the relay
(Signal Generator) that was mentioned above.
  • Posted 29 Oct 2019 04:40
  • Reply by Eedy1
  • Florida, United States
on this unit, Toyota Forklift Model 7FGU30, the unit wont start, it wont crack

starter is ok
Battery voltage 13.5
starter relay ok
no open wires on wire hardness, I do suspect on the control module under the battery, i believe is the igniter but i am not sure....have you had this problem before?
  • Posted 6 Jul 2017 07:10
  • Reply by ernesto_z
  • California, United States
Thanks for all the help. Forklift never acted up very long until recently. When the lift finally quit I traced problem to 12 volt at LP regulator but no fuel output. I called the company back and he replaced the regulator and it has worked good. Thanks again
  • Posted 26 Sep 2008 14:25
  • Reply by tunaguy
  • Arizona, United States
Yeah, i have had that problem before and mentioned that earlier to tunaguy but haven't heard back , Rich
  • Posted 26 Sep 2008 07:39
  • Reply by rich_k
  • Ontario, Canada
I had this problem last week and forgot to reply back to tunaguy. I replaced the propane lock-off and the pressure solenoid. The unit is working great ( no complaints from the customer ) I suspect that the heat from the Propane converter is causing the lock-off to stick or malfunction. I also found oily residue in the pressure solenoid hole.
  • Posted 25 Sep 2008 22:50
  • Reply by Prentice
  • Ontario, Canada
did anyone ever hear back on this one?
  • Posted 25 Sep 2008 09:40
  • Reply by rich_k
  • Ontario, Canada
ok u say it starts 20 times in a row and then wont I need more info the time it don't does it try to start is it cranking? If it's the 4Y the wire breaks are common but not with these symptoms it sounds like it could be as simple as a starter on the way out. Also check for voltage drops across both Neg and Pos from bat down to bat also next time it don't start try wrapping the starter. Large volt drops across either Neg or pos will cause starter to fail premature. If still won't start shut gas off? Drain LPG from line. So system is dry. Remove the two 10mm bolts over the carb. That connects the hose from the air flt. Get a mechanics rag wet a little with gas and see if Ur engine will fire that will tell me if its Ur engine or a fuel problem real ez test also may want to run ur engine and with the hood up u may want to pull the drain plug that's a 12mm pain to get to if it's ur first time pulling because u need to do it hot pull the over fill reservoir out for more room don't drop the brass washer and don't over tighten not strong medal and when it don't start is it first thing or is it after it has been running a wail
  • Posted 4 Sep 2008 15:57
  • Reply by dantheman
  • New Hampshire, United States
ok u say it starts 20 times in a row and then wont I need more info the time it don't does it try to start is it cranking? If it's the 4Y the wire breaks are common but not with these symptoms it sounds like it could be as simple as a starter on the way out. Also check for voltage drops across both Neg and Pos from bat down to bat also next time it don't start try wrapping the starter. Large volt drops across either Neg or pos will cause starter to fail premature. If still won't start shut gas off? Drain LPG from line. So system is dry. Remove the two 10mm bolts over the carb. That connects the hose from the air flt. Get a mechanics rag wet a little with gas and see if Ur engine will fire that will tell me if its Ur engine or a fuel problem real ez test also may want to run ur engine and with the hood up u may want to pull the drain plug that's a 12mm pain to get to if it's ur first time pulling because u need to do it hot pull the over fill reservoir out for more room don't drop the brass washer and don't over tighten not strong medal and when it don't start is it first thing or is it after it has been running a wail
  • Posted 4 Sep 2008 15:57
  • Reply by dantheman
  • New Hampshire, United States
Did you check the connections at the Distributor and fuse Panel ????
  • Posted 22 Aug 2008 07:06
  • Reply by Prentice
  • Ontario, Canada
Is the solenoid actually opening? you have to make sure there is propane going in. then check solenoid. you can even put your hand on the solenoid and turn the key over. you should feel it clicking. There is also a relay in that circuit which recieves it's signal from the distributor it is called a signal generator. Sorry back to the solenoid I have had them fail but only at places where the engine gets very hot. You could even try to remove the solenoid and clean it up. Make sure there is no propane in the system before you take it apart. Did you also check for spark I doubt that would be a problem but you neverknow Let me know how it goes Rich ([email address removed])
  • Posted 22 Aug 2008 03:03
  • Reply by rich_k
  • Ontario, Canada
Thanks for all your help. The lift has been working fine until tonight when I really need it for tomorrow. Now it won't start at all. It has 11 volt to LP regulator solenoid and fuel tank is full but there is no fuel output to carb. Bad LP regulator ?
  • Posted 21 Aug 2008 17:25
  • Modified 21 Aug 2008 17:27 by poster
  • Reply by tunaguy
  • Arizona, United States
I have run in to this before and it ended up being the lp regulator was full of oi. If it is an Asian system I would start there.
  • Posted 15 Aug 2008 11:54
  • Reply by rogeriwt
  • Massachusetts, United States

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