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Pickup: Deisel..the injector pump 5 times 1n 140,000 miles…

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I own a 1994 2500...
I own a 1994 2500 Deisel 6.5 Pickup. I have replaced the injector pump 5 times 1n 140,000 miles. What am I doing wrong?
Submitted: 8 years ago.Category: Chevy
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Answered in 6 minutes by:
6/10/2010
Chevy Mechanic: Thomas, Chevy Technician replied 8 years ago
Thomas
Thomas, Chevy Technician
Category: Chevy
Satisfied Customers: 1,543
Experience: certified mechanic for 15 years
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What is your symptom to cause replacement of the pump?
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Customer reply replied 8 years ago
I was told by the mechanic that it was bad and needed to be replaced, It would stall and not run. Then I would turn it off for a minute and start it again and it would run.
Chevy Mechanic: Thomas, Chevy Technician replied 8 years ago
Have you ever replaced the base fuel pump on the frame?
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Customer reply replied 8 years ago
Yes have . I
Chevy Mechanic: Thomas, Chevy Technician replied 8 years ago

If you are getting a good re manufactured pump the only thing I can think of is the new low sulfur diesel doesn't have enough lubricity for the older injection pumps you can help this by adding a quart or two of transmission fluid to every tank of fuel. And also make sure the base pump is getting at least 12 volts I have had issues where they didn't and fuel flow was affected. And last you might need to get a pump from a different re manufacturer if you haven't already do so.

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