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350 C Deere, crawler. Starts and runs till it warms up then…

350 C John Deere...
350 C John Deere, crawler. Starts and runs till it warms up then it started to lose power and floods. lots of black smoke. Have changed injector. 3 cyl.
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Answered in 2 hours by:
7/18/2016
Mechanic: Curtis B., Technician replied 6 years ago
Curtis B.
Curtis B., Technician
Category: Construction and Road Equipment
Satisfied Customers: 43,934
Experience: Technican turned service manager with multiple lines of equipment and rental units.
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Fuel filters been replaced? Black smoke is typically too much fuel, too little air. Is the air inlet system clean, no collapsing of the hoses? If all seem to be ok, fuel filters replaced, then run a test hose from the inlet of the primer pump, back into the fuel tank filler opening, bypassing the tank and the tank outlet line.

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Customer reply replied 6 years ago
When you say primer pump. are you talking the fuel pump. I have done all of the things you mention, even took off return line from the enjecter and thought it was pluged. did't help' Even ck the glass ball in valve. it was free. What does the meatering valve do in side the injector. It runs good for about 5 min. then floods out.
Mechanic: Curtis B., Technician replied 6 years ago

metering valve controls the output to the injectors.

That would require the injection pump to be rebuilt.

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Mechanic: Curtis B., Technician replied 6 years ago

Are you sure you don't have internal engine problem, and the engine is trying to seize and the injection system is going to the max, trying to compensate for the load??

Curtis B.
Curtis B., Technician
Category: Construction and Road Equipment
Satisfied Customers: 43,934
Experience: Technican turned service manager with multiple lines of equipment and rental units.
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Mechanic: Curtis B., Technician replied 6 years ago
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