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I have a Bolens 174 diesel two cylinder tractor that will…

Customer Question
I have a Bolens 174...
I have a Bolens 174 diesel two cylinder tractor that will not stay running I have replace fuel filter , took off the air filter and muffler .blows black smoke thanks
Submitted: 3 months ago.Category: Small Engine
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Answered in 25 minutes by:
11/14/2017
Technician: Curtis B., Technician replied 3 months ago
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 29,647
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert
Verified

Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!

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Technician: Curtis B., Technician replied 3 months ago

Two cylinder Mitsubishi engine Has it just started this? Black smoke is too much fuel or too little air. Is fuel quality ok, no gas has been added to diesel tank? Valves been adjusted?

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Customer reply replied 3 months ago
It ran out of fuel, so fresh fuel was added, valves have not been adjusted since it was running fine before it ran out of fuel
Technician: Curtis B., Technician replied 3 months ago

You bleed both injectors and both are firing? Check the fuel supply from the tank , to the filter, checking the fitting at the filter, which is where any debris from tank would gather, if it is too big to go into the filter.

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Customer reply replied 3 months ago
It has good fuel flow at all of the bleed screws
Technician: Curtis B., Technician replied 3 months ago

It ran out of fuel, so any debris in tank, could have accumulated at the first fitting at the filter, don't overlook, what can be problem. Smoke can be from inadequate fuel flow too the injection pump.

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Customer reply replied 3 months ago
I will recheck fuel system in the morning
Technician: Curtis B., Technician replied 3 months ago

OK> Let me know the result.

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Customer reply replied 3 months ago
I took all the fuel lines off and blew them out. Checked fuel coming out of fuel tank and it was clean. Put the fuel system back together blead fuel filter,injector pump and line to injectors .
Technician: Curtis B., Technician replied 3 months ago

Result? Still runs and dies? Run test line direct to he injection pump from a raised container. If no change, injector pump is bad.

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Technician: Curtis B., Technician replied 3 months ago

I see a negative rating without any feedback. Did you run the test?

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Curtis B.
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 29,647
29,647 Satisfied Customers
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert

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