stalling today at stops?
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Senior User
Joined: Feb 2004
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From: md
stalling today at stops?
For some reason, today my truck was stalling out at stop signs. I'd gear down to the stop, and when I shifted into neutral the engine slowed down below 500 rpms and stalled. It then took a bit of cranking to start back up.
I just picked it up last week from the mechanic after having the entire lower half re-built. The carb was replaced with a rebuilt one back in November.
Any thoughts?
Thanks
Greg
I just picked it up last week from the mechanic after having the entire lower half re-built. The carb was replaced with a rebuilt one back in November.
Any thoughts?
Thanks
Greg
Laughing Gas
Joined: Jan 2005
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From: South East Florida
possibly a fuel filter? sounds like something is causing an obstruction or interruption of flow in the lower rpms or descending rpm's. i dont know much so take what i say with a grain of salt. i just know how much it sucks to not get a reply lol h ope it helps at least a little
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what kind of gas are you putting in?
in my 1980 300 inline 6 (stock carbeuretor) if i put in the cheap stuff, it will idle badly and sometimes even diesel when i shut it off. (doesn't want to die)
i put in the mid-grade gas, and it likes that much better.
also... how's your timing? cap and rotor? plugs?
carbeuretor will likely play a big part, but some of those others are cheap to check up on.
in my 1980 300 inline 6 (stock carbeuretor) if i put in the cheap stuff, it will idle badly and sometimes even diesel when i shut it off. (doesn't want to die)
i put in the mid-grade gas, and it likes that much better.
also... how's your timing? cap and rotor? plugs?
carbeuretor will likely play a big part, but some of those others are cheap to check up on.
Senior User
Joined: Nov 2000
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From: Drayton, ND
Does the truck idle okay when it is first started and does the rpm change after it has sat and warmed up for a little while. In other words, you might want to check your idle setting before and after the choke opens.
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From: md
Thanks for all of your replies.
Before starting home last night, I let the truck run at the high idle the choke sets at when first starting a little bit longer before pumping the gas to lower the idle. I had no problems last night with stalling.
I am going to spray the linkage this weekend and if I still have problems, I'll have the other stuff looked at.
Greg
Before starting home last night, I let the truck run at the high idle the choke sets at when first starting a little bit longer before pumping the gas to lower the idle. I had no problems last night with stalling.
I am going to spray the linkage this weekend and if I still have problems, I'll have the other stuff looked at.
Greg
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Joined: Feb 2004
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Hi,
I am having similar problems with my '86 f150. How does one set the choke up one more notch? Also, I'll try the better gas idea. And, any ideas on where the filter is located to be checked? The engine is a 300 inch 6 cyl.
I am having similar problems with my '86 f150. How does one set the choke up one more notch? Also, I'll try the better gas idea. And, any ideas on where the filter is located to be checked? The engine is a 300 inch 6 cyl.
Senior User
Joined: Oct 2001
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From: Crosby TX
Originally Posted by saltlick
Hi,
I am having similar problems with my '86 f150. How does one set the choke up one more notch? Also, I'll try the better gas idea. And, any ideas on where the filter is located to be checked? The engine is a 300 inch 6 cyl.
I am having similar problems with my '86 f150. How does one set the choke up one more notch? Also, I'll try the better gas idea. And, any ideas on where the filter is located to be checked? The engine is a 300 inch 6 cyl.
Senior User
Joined: Jun 2003
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From: Virginia
my 86 f150 gets a little cranky in the cold or cool and damp weather. I have to let it idle for a feww minutes (like 5 or 6 minutes) until it warms up enough to drive. If I don't give it the proper warm up time, it will stall out and kick in too much gas -- flooding itself and I have to wait 10 minutes for everything to dry out.
As far as I know there are two chokes on my truck. There is an electrical choke, and some vacuum choke. Since I don't really know how to screw with these, I just let the thing warm up propery. If I push the gas down ALL the way before I crank it, one of the chokes kicks in and the thing sounds like death for about a minute and a half, and then the rpms races. I give it another quick butterfly to the gas, and it drops out that choke, and the rpms drop back down and it sounds good and idles fine.
As far as I know there are two chokes on my truck. There is an electrical choke, and some vacuum choke. Since I don't really know how to screw with these, I just let the thing warm up propery. If I push the gas down ALL the way before I crank it, one of the chokes kicks in and the thing sounds like death for about a minute and a half, and then the rpms races. I give it another quick butterfly to the gas, and it drops out that choke, and the rpms drop back down and it sounds good and idles fine.
Lead Driver
Joined: Jan 2005
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From: Rouleau, Saskatchewan
You may want to check for a vacum leak. After your truck warms up, take your can of carb cleaner and spray around the base of the carb. If the engine speeds up up have a leak. Just tighten up the bolts a bit and try again. I have a 300 and I have to tighten up the base of the card about every six months.
