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#1
08-24-2015, 05:44 PM
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New BAD habit on the 1772
This past weekend, the 1772 started with a new habit. It seems to be fuel related. When I am starting it, the engine turns over and fires as it should. However within the first few seconds after it starts and I release the key switch from the starter position, the engine begins to misfire drop in rpm and stop. I initially thought I thought the throttle was set too low in speed, so I increased it to 1/2 way. Tried again, the engine reacted the same way. OK, I pushed the throttle to 3/4 and tried again, same results - 2 times. Now, I tried it again at full throttle, sort of the same, ran rough for a few seconds then straightened out. I was able to mow the lawn without a problem. After I finished mowing, I shut it down to clean off the deck. When done it restarted with the same difficulty I was initially having.
I threw new filters and a new fuel pump at it. Same story...... What's left? How does a bad injection pump react?
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1989 - Cub Cadet 1772 1987 - Cub Cadet 1572 w/Rear PTO & Cat. 0 38" Lawn Sweeper #196483 42" L42 (Bush Hog) Rotary Cutter # 190349 45" 2-Stage Snowblower # 196364 48" Haban Rotortiller Rear PTO Driven #190356 54" SnowBlade with hydraulic Angle #196376 60" Haban Mowing Deck #196374 
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#2
08-24-2015, 06:50 PM
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If it's not fuel I would see if the coil is grounding out through a bad wire/connection some where
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- Tim 1872 60" Haban deck- 2082 450 blower, 50c deck - 1450,1650 2x44a deck, QA-42A snowthrower, 70 w/k181(destroyed) 38" pin on deck
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#3
08-24-2015, 06:57 PM
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Quote:
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Only a 1282 with ~700 hrs(serial 729357)... Just red and black and ain't goin back! 
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#4
08-24-2015, 06:59 PM
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Quote:
__________________
- Tim 1872 60" Haban deck- 2082 450 blower, 50c deck - 1450,1650 2x44a deck, QA-42A snowthrower, 70 w/k181(destroyed) 38" pin on deck
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#6
08-25-2015, 12:40 AM
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Quote:
__________________
1989 - Cub Cadet 1772 1987 - Cub Cadet 1572 w/Rear PTO & Cat. 0 38" Lawn Sweeper #196483 42" L42 (Bush Hog) Rotary Cutter # 190349 45" 2-Stage Snowblower # 196364 48" Haban Rotortiller Rear PTO Driven #190356 54" SnowBlade with hydraulic Angle #196376 60" Haban Mowing Deck #196374
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#7
08-25-2015, 08:12 AM
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Quote:
try cracking the lines one @ a time right @ the injectors to maybe bleed off any air. Hopefully it is that simple, but maybe J. Mech will have some suggestions or others that have more experience with those jay-pan 'injins Have heard of rebuilding pumps and injectors on those, but not the norm. 
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#8
08-26-2015, 09:04 AM
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Hopefully I can get to it tonight. I did not want to do any of this in the pouring rain last night.
__________________
1989 - Cub Cadet 1772 1987 - Cub Cadet 1572 w/Rear PTO & Cat. 0 38" Lawn Sweeper #196483 42" L42 (Bush Hog) Rotary Cutter # 190349 45" 2-Stage Snowblower # 196364 48" Haban Rotortiller Rear PTO Driven #190356 54" SnowBlade with hydraulic Angle #196376 60" Haban Mowing Deck #196374
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#10
08-26-2015, 04:24 PM
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Quote:
__________________
1989 - Cub Cadet 1772 1987 - Cub Cadet 1572 w/Rear PTO & Cat. 0 38" Lawn Sweeper #196483 42" L42 (Bush Hog) Rotary Cutter # 190349 45" 2-Stage Snowblower # 196364 48" Haban Rotortiller Rear PTO Driven #190356 54" SnowBlade with hydraulic Angle #196376 60" Haban Mowing Deck #196374
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