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died at stop light

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Old Jun 19, 2006 | 05:03 PM
  #1  
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Default died at stop light

Hi, yesterday I was driving my car about 5 miles from my house when my dad realized he forgot his keys to his office [:@] I got turned around and got off the highway and came to a stoplight. I was sitting at the light for about a minute and a half when
I noticed and heard my rpms jumpin around really low, and then the car died. I started it up again, drove to my house, got back on the tollroad, drove another 30 miles and back to my house without ANY more problems. I had the AC on cuz its hot here in Texas (cold today! 85 degrees!) and I think that might be what the deal was but now when ever I go to a light I'm worried about the car dying! I've never had this problem before, driven the car in hot and cold weather, whats the deal? Thanks in advance.
Old Jun 19, 2006 | 05:54 PM
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Default RE: died at stop light

There is normally a solenoid that kicks up the throttle to raise the RPM's to compensate for the AC load. I don't have AIR so, not sure on how it should look.


ORIGINAL: EmperorOfChicken

Hi, yesterday I was driving my car about 5 miles from my house when my dad realized he forgot his keys to his office [:@] I got turned around and got off the highway and came to a stoplight. I was sitting at the light for about a minute and a half when
I noticed and heard my rpms jumpin around really low, and then the car died. I started it up again, drove to my house, got back on the tollroad, drove another 30 miles and back to my house without ANY more problems. I had the AC on cuz its hot here in Texas (cold today! 85 degrees!) and I think that might be what the deal was but now when ever I go to a light I'm worried about the car dying! I've never had this problem before, driven the car in hot and cold weather, whats the deal? Thanks in advance.
Old Jun 19, 2006 | 06:11 PM
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Default RE: died at stop light

You probably have the same York compressor I do. That thing raises hell at low RPM's and drags on the engine a lot. Just turn the right button all the way to the left whenever you are in heavy traffic, at stop lignts, etc. I only use my air con when I am on the road. It is virtually useless around town.
Old Jun 19, 2006 | 07:10 PM
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Default RE: died at stop light

Since it didn't start doing it for after a minute, a tune up may be in order????? My car doesn't have A/C but every now and then if it's idling, it'll almost cut off, but stay running, just like yours. I think it's my old carburator though.
Old Jun 19, 2006 | 07:53 PM
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Default RE: died at stop light

that could have been caused by a number of different things from a few drops of water in the gas to a bit of trash in the carb, or many other little things that caused an engine under heat load to cut off, probably a momentary vapor lock, unless it becomes a habit wouldnt worry too much about it. Too many people are used to cars that are computer controlled and not as subject to a little momentary minor problem. Its one of the things about having an old car.
Old Jun 19, 2006 | 08:00 PM
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Yeah, I was at full power going 70 MPH down the freeway last summer, and my 289 started bucking. As it turned out, since I had had it stored for several months, the old gas was just not firing all the time. After draining the tank and putting in new gas, she purrs like a kitten. However, since it is air con related, that leads me to believe the compressor is just drawing too much power from the engine under these idling conditions. Try idling it up a tad during the summer when you use the air con.
Old Jun 19, 2006 | 09:15 PM
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Default RE: died at stop light

If id does end up not being air conditioner related, then you carb could be loading up and flooding out.
Old Jun 19, 2006 | 09:58 PM
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Default RE: died at stop light

if it was that hot out AND you had the a/c crankin Id put money on the beginnings of vaporlock. My car would run funny sometimes and then I put a carb spacer and cold air hood on it and it solved the problem. Before that if I drove around for a while and shut it off, even without any idling, you could actually hear the fuel boil. Im surprised it ran as well as it did with as hot as the carb was.
Old Jun 19, 2006 | 10:04 PM
  #9  
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Default RE: died at stop light

It didnt give me any trouble at 70 down the highway but when i got off later in my drive I just turned the AC off...bad idea at 98 degrees [:@] I'll drive around for a few more days with the AC on around town driving and see what happens. Thanks for all your replies!
Old Jun 20, 2006 | 12:10 AM
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Default RE: died at stop light

It might be favouring a "rich" mixture, it's what keeps it running atall at such an RPm. Also, it's very possible that your idle screw has two different "seated positions", depending how fast/slow you let go of the pedal. Maybe The weather and engine temperature could easily alter the ratio. If anxious, raise the idle screw, and/or adjust the air and fuel ratio. Unless there's a fault in your system. Course the list could go on and on. Just some suggestions.



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