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Southbound

Southbound

Joined
Mar 2, 2006
Threads
163
Messages
629
Location
CA
I'm so frickin' depressed. I just got my rebuilt carb back from Jim C. and my truck is still stalling, majorly, all the time. I thought for sure my carb was fouled. I tried changing the fuel filter and fuel pump, I see fuel in the sight glass. What else could it be???? The truck stalls idling, going up hill, doesn't matter. It's gotta be a fuel issue, doesn't it? The thing that really bums me out is that I'm due to move to California in a week and I really want to bring my Cruiser!!

Maybe I should give up and take it to the stealership.
 
Random stuff like that makes me think EGR or something weird like that. Any obvious vacuum leaks? Al your vacuum spagetti ok and without leaks? It almost has to be in the smog controls somewhere.
 
This isn't going to make you feel any better. Sorry. Assuming it's not the carburetor per se, it could be a vacuum line routing problem, or a vacuum leak, or an ignition problem, or a problem with the EGR.
rough idle 1.webp
rough idle 2.webp
 
Does it bog down or cut out immediately? Does it start right up again after it stalls... Or do you have to let it sit for a while?
 
I think my vacuum spaghetti is in good order. The truck also just passed CO emissions a couple of months ago. When it stalls, it stalls severely, bucks a few times like it's gasping for fuel and dies. Sometimes it starts right back up, sometimes it won't start for an hour - it's really varied. When it does start back up I can sometimes drive it for a bit, but other times it just immediately dies and won't even hold an idle. I wish I could be more specific, I just don't see any particular pattern, that makes sense anyway.
Would the EGR and/or other emissions systems cause such severe symptoms?
 
Also, the thing is I can be going full speed down the highway and this will happen - it's not just an idle issue...
 
It might be a electrical short....Check out your ignition system too. Don't just start throwing parts at it though. Use the troubleshooting guide in your manual. Don't give up and take it to the pirates at the stealership. If worst comes to worst take it to a good Land Cruiser shop.That way you know whats going on. I would guess that a dealership mech probably doesn't have as much experience with the older land cruisers as a specialty shop therefore taking more time which in turn equates to more dough. Just my 2 cents worth.Where in Colorado? John at Coyote Cruisers in Ft Collins has done me good the couple times I've used him.
This is his number
970-221-1833
970-988-9556

Good luck
 
When it stalls, have you checked the fuel level in the sight glass on the front of the carb? if it's full (half way up the glass) then it's probably not a fuel delivery problem. If it's empty, then it probably is. With the new fuel pump it's hard to say that is the problem. if the tank isn't venting properly or if the pickup in the tank is getting clogged, then this could starve your fuel pump.
 
I don't think the rebuilt carb got crud in it - I put on a brand new fuel filter on before hooking it up. The stalling started pretty much immediately.

Tank venting. That's an interesting suggestion. I do have an aftermarket tank that may just be a piece of s***. But with the fuel line disengaged from the carb I see fuel pouring out when I crank the ignition or when the engine is running.

All good suggestions though. I'm sure it's logical. I think.
 
OK so after thinking about it for a bit I think you might want to inspect your fuel lines.Sometimes the inner part of a rubber line can collapse thereby leaving you feeling well um empty,or I've also seen the metal line get plugged up with rust and junk to where fuel would not run through it good enough to keep the vehicle running good, (kind of like yours). You might be able to run a rubber piece from the tank all the way to the fuel pump just to see if the problem is in the line. I think there is a screwed on plate in the cargo area where you can access the top of the fuel lines, if there is just hook ya up a rubber piece and run it up to the pump.
Again good luck.
 
HighPlainsDrifter said:
OK so after thinking about it for a bit I think you might want to inspect your fuel lines.Sometimes the inner part of a rubber line can collapse thereby leaving you feeling well um empty,or I've also seen the metal line get plugged up with rust and junk to where fuel would not run through it good enough to keep the vehicle running good, (kind of like yours). You might be able to run a rubber piece from the tank all the way to the fuel pump just to see if the problem is in the line. I think there is a screwed on plate in the cargo area where you can access the top of the fuel lines, if there is just hook ya up a rubber piece and run it up to the pump.
Again good luck.
Click to expand...


Nice. I may even try running a line from a jerry can. If that fixes the problem I'll know the issue is with the tank or fuel lines.

Maybe all is not lost. Whether it's a result of all the great advice or of the rye whiskey I'm pounding, I'm feeling a little more hopeful.
 
NocalFJ60 said:
I would start here. Ground it out so it stays open all the time and see if the problem goes away.
Click to expand...

Another good suggestion. Grounding it won't damage it? Right now if I hook up the lead to the solenoid with the ignition on I willl hear a click. Is that it opening? Is that what I should listen for when I ground it out?

Thanks
 
Oops, actually I think the pick up line runs into the tank on the upper right hand corner just inboard of the rear passenger side tire. Sorry. I think NoCal has good idea too.
 
In regard to fuel delivery, there is a little screen in the fitting where the gas enters the carb. That can get plugged up even with stuff that can pass through the standard fuel filter. Don't ask me how! I found this out when the dealer did the recall replacement on the fuel tank. They forgot to clean out the new tank. Having said this, once the screen plugged up, mine did not run good/bad sporadically. It ran bad all the time and this does not fit your symptoms. My first vote is electrical...try the fuel cut solenoid examination.
 
Just started her up after letting her sit (where she had died) for a couple of hours. Started up great and was able to get her back to the comfort of my garage. Maybe it is something with emissions, something that starts up when she gets good and hot, but I don't think it's the solenoid - every time I pulled the lead from the solenoid connection the engine died, which implies it's doing its job. I'll do some more research tomorrow. Thanks again for all of the suggestions.
 
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