hustler Z mower under power

smf

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I have a hustler z mower. The mower is bogging down and miss firing. I tried it with deck off and on doesn't matter. I have changed the plugs and fuel filter and didn't help. had a technician look at it and cleaned the carburetor and didn't help. it doesn't do it all the time . sometime it starts after running awhile and other times it does as soon as you start it.
 

Fish

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I have a hustler z mower. The mower is bogging down and miss firing. I tried it with deck off and on doesn't matter. I have changed the plugs and fuel filter and didn't help. had a technician look at it and cleaned the carburetor and didn't help. it doesn't do it all the time . sometime it starts after running awhile and other times it does as soon as you start it.

When it acts up again, yank one of the plug wires and see how it acts.

Then try it again, but with the other plug wire.

Tell us what you find.

If it just has only one plug wire, then post the engine's model numbers so we at least have a clue how to help you.

BTW, yanking a plug wire may be shocking, so use some insulated pliers, or your brother-in-law.
 

smf

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When it acts up again, yank one of the plug wires and see how it acts.

Then try it again, but with the other plug wire.

Tell us what you find.

If it just has only one plug wire, then post the engine's model numbers so we at least have a clue how to help you.

BTW, yanking a plug wire may be shocking, so use some insulated pliers, or your brother-in-law.



it has two plugs. pulled one off didn't do anything . when i put that plug back on and pulled the other plug it shut done
 

Fish

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it has two plugs. pulled one off didn't do anything . when i put that plug back on and pulled the other plug it shut done

Well then that helps a lot.the one that you pulled the plug on and it kept running, that is the bad side. Pull the valve cover off next and tell us what you see.
 

Carscw

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Does this engine have 1 or 2 coils?

(( cowboy up and get over it ))
 

smf

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Well then that helps a lot.the one that you pulled the plug on and it kept running, that is the bad side. Pull the valve cover off next and tell us what you see.

pulled head off looks good . could it be the coil
 
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Carscw

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Fish what do you think? Could he have one bad coil? Or maybe a wire rubbing on something ?

(( cowboy up and get over it ))
 

smf

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Fish what do you think? Could he have one bad coil? Or maybe a wire rubbing on something ?

(( cowboy up and get over it ))

i checked the wire to coil. no sign of wear
 

Carscw

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Did you check for spark?

I would swap the two and see if it changes the miss fire to the other side then I think we could maybe say that coil is bad.

(( cowboy up and get over it ))
 
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