a magnetic tray is one of the few tools left that i still want to get but they're always so overpriced. i keep waiting for them to go on sale but i haven't seen it yet. they're super useful though.marlinh wrote:I like to keep the small parts together in a magnetic tray.
Gas coming out of top of carb
- dlb
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Re: Gas coming out of top of carb
- irowiki
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Re: Gas coming out of top of carb
Just for grins I tried starting her up today, the glass sight doesn't fill up anymore and no more gas out of the top, but she starts and revs high, to like 4-5k RPM. So something is up still
Will take the carb apart when I have a chance.

Will take the carb apart when I have a chance.
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Re: Gas coming out of top of carb
you could try blowing air down the fuel supply inlet to the carb. If there is some loose crud in there it might blow it out so the needle valve will seat. Try squirting some spary solvent in there, and than blow it out. it will only take a few min and it might work, or it might not. But there is a small chance it might save you the trouble of pulling it all apart.
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- irowiki
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Re: Gas coming out of top of carb
I did spray some carb cleaner down there, will spray some more, and try some air tomorrow.
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Re: Gas coming out of top of carb
blow it into the fuel inlet line, not the vents. you want to put solvent and light air pressure on the needle valve directly through the fuel inlet line. You can slip the fuel line off the fuel pump outlet and put it into the carb supply line.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
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'01 Honda Civic (other daughter's daily driver)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
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- irowiki
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Re: Gas coming out of top of carb
Well, tried starting it again before I did anything else. Started up, revved way too high, looks like the fast idle was stuck, and the throttle positioner was also stuck a bit. Fiddled with that a bit and walla, she drives!
Float level seems slightly low.
Also takes a while to go to idle when coasting, about 10 seconds. TP probably needs fiddled with.
One big issue though. When warmed up, there's a hesitation on acceleration from a stop, and if you let the gas off while going, coast, then give her gas again, she lurches slightly then starts revving up. What am I looking for here?
Float level seems slightly low.
Also takes a while to go to idle when coasting, about 10 seconds. TP probably needs fiddled with.
One big issue though. When warmed up, there's a hesitation on acceleration from a stop, and if you let the gas off while going, coast, then give her gas again, she lurches slightly then starts revving up. What am I looking for here?
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Re: Gas coming out of top of carb
re-set the float level Larry
- dlb
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Re: Gas coming out of top of carb
good call on the TP adjustment.irowiki wrote:Also takes a while to go to idle when coasting, about 10 seconds. TP probably needs fiddled with.
One big issue though. When warmed up, there's a hesitation on acceleration from a stop, and if you let the gas off while going, coast, then give her gas again, she lurches slightly then starts revving up. What am I looking for here?
the hesitation could be a variety of things. exactly how low is the float level? as long as it's between the two points of the sight glass, it should be fine. i would double check the vac hose routing and check for vac leaks everywhere—diaphragms, carb base, manifold, throttle shaft, etc.
- irowiki
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Re: Gas coming out of top of carb
I would say it is below the bottom mark. Need to double check next time I'm on level ground.
There was also more vibration than usual when in 4-5th going around, but I may have been imagining it.
There was also more vibration than usual when in 4-5th going around, but I may have been imagining it.
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Re: Gas coming out of top of carb
sounds like it might be a vac leak. or a misrouted vac line. also check for weak spark at low speed.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)
- irowiki
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Re: Gas coming out of top of carb
All the vacuum lines are freshly routed so I'll double check.
She actually idles better than she ever did, and sounds real smooth at cruising speed.
Will figure out how she runs in the morning, cold.
She actually idles better than she ever did, and sounds real smooth at cruising speed.
Will figure out how she runs in the morning, cold.
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05 Avalon, 199k
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95 Camry Wagon, 197k
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- irowiki
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Re: Gas coming out of top of carb
So this is the first carb I've had that not only does the fast idle works, but it works on crack. Seems much more than the 3k stock, like it is stuck...yesterday I got it to unstuck by fiddling with the choke. This morning I got it to unstuck by shifting to second (it idled to 25 mph in first so makes me think it just isn't the fast idle. More adjustment/figuring under way.
I do have a 1st gen SR5 cluster I'll be swapping in though
I do have a 1st gen SR5 cluster I'll be swapping in though

Former Tercel Enthusiast (not a practical family car anymore but they still have a place in my heart)
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Re: Gas coming out of top of carb
You can idle it by "ear", you just want it after it is warm to idle at the lowest speed where it is stable and smooth. the fast idle adjustment is on the throttle bellcrank next to where the throttle cable attaches. Usually if you spray carb cleaner all around the outside and down inside (holding the throttle open so it does not stall out), than spary light lubricant over the linkage, it frees it all up so you can adjust it. make sure your throttle cable is not too tight, so when all the way down at idle there is no tension in it.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)
- irowiki
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Re: Gas coming out of top of carb
Small update: Fast idle adjustment was screwed all the way in, so I think it was trying to idle at 4-5k RPM :shocked:
Dialed it way out until I get a tach on there. Seems to be running better the more I drive it, I need to see about taking it apart to get to that float.
Dialed it way out until I get a tach on there. Seems to be running better the more I drive it, I need to see about taking it apart to get to that float.
Former Tercel Enthusiast (not a practical family car anymore but they still have a place in my heart)
Site administrator, if something is broken, PM me!
87 Corolla FX16, 105k
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95 Camry Wagon, 197k
05 Avalon, 199k
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87 Corolla FX16, 105k
94 Jamboree RV (Ford E-350), 90k
95 Camry Wagon, 197k
05 Avalon, 199k