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Unit3 
Orange Level
Joined: 17 Oct 2009
Location: NC Iowa
Points: 5607
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 Topic: Four-cylinder in-line Ford
Posted: 12 hours 57 minutes ago at 8:06pm |
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Have a four-cylinder in-line Ford in a Joy air compressor. It runs great for the man in town, but when I get it out here to the farm, it will not run. Can a coil be good and then bad and then good and then bad. I would think once they go bad they’re bad. This will be the third time in a week. I’ve taken it to him. The man who works on it is absolutely incredible. You may not doubt his abilities. He can rebuild your Briggs & Stratton or your CAT C 15 engines. I cannot allow you to doubt his work. We have just got an intermittent problem on this engine. Can a coil be good one second bad the next and then go back to being good?
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2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C
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Darwin W. Kurtz
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Joined: 06 Apr 2010
Location: Westphalia, KS
Points: 5099
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Posted: 12 hours 46 minutes ago at 8:17pm |
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I had an International 560 tractor that I could never start. Would have the mechanic come and that thing would start. Finally, after a couple times he says let's put an inline fuel filter that they sell at wal mart on this just to be safe. We put one of those in and I never had trouble getting it to run again.
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Clay
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Joined: 11 Sep 2009
Location: Udall, Kansas
Points: 10038
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Posted: 11 hours 50 minutes ago at 9:13pm |
Is there fuel in the tank and is the shut off turned on? 
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DaveKamp
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Joined: 12 Apr 2010
Location: LeClaire, Ia
Points: 6090
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Posted: 6 hours 39 minutes ago at 2:24am |
Things don't happen for no reason. SOMETHING is changing.
Is the Ford an overhead valve industrial 134, 174 or 192?
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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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Les Kerf
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Joined: 08 May 2020
Location: Idaho
Points: 1395
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Posted: 3 hours 29 minutes ago at 5:34am |
 Unit3 wrote:
... Can a coil be good one second bad the next and then go back to being good? |
Not likely but anything is possible. Since you hinted at it, but did not clearly state, I am guessing that the engine is losing spark? Is it a breaker point ignition, or an 'electronic' type?
I would be inclined to look for poor connectivity; I have encountered faulty ignitions switches on several occasions. Also, the corrosion monsters never sleep 
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DrAllis
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Joined: 12 Sep 2009
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Posted: 2 hours 7 minutes ago at 6:56am |
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If the key switch also powers the starter engagement, the key switch might not be providing power to the coil/points when cranking. It has happened before.
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NEVER green
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Joined: 28 Feb 2013
Location: MN.
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Posted: 14 minutes ago at 8:49am |
I have had a couple coils quit working when hot. After they cooled down ran great again.
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2-8050 1-7080 6080 D-19 modelE & A 7040 R50
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