No power!
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New User
Joined: Nov 2010
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No power!
Bought an 86 f250 6.9idi diesel, poured white smk on the way home and had hardly any power barley could clime a hill, put a new injection pump on it, now it still has no power and when I had to the floor to see what it would do it started popping 3 or 4 times I let off it and took it back home. Any ideas on what could be going on?
Tuned
Joined: Jan 2011
Posts: 271
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From: Bluffton, IN
Did the white smoke smell like fuel or sweet like coolant? Check the radiator while running; if there are bubbles while running most likely it is a blown head gasket. Did the smoke stop with the new ip?
Fleet Owner
Joined: Jul 2006
Posts: 20,346
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From: Mi'kma'ki
this is a good read on finding a bad injector and much more;
https://www.ford-trucks.com/forums/5...he-engine.html
https://www.ford-trucks.com/forums/5...he-engine.html
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Would that cause it to have no power I changed one when I did the Injection pump and it looked fine the seals were still in good shape, I Dnt wanna spend $350 on injectors if I can run sum other test and figure it out
Fleet Owner
Joined: Jul 2006
Posts: 20,346
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From: Mi'kma'ki
a bad injector can totally kill performance.there are other ways to find one (or more) other than the method used there.one quick method to find a stuck injector can be simply feeling the hard lines.if you feel one noticeably hotter than the others,then you know you've found a real bad one.i haven't tried it with the diesel (cus it's a clattery/loud engine) but you can take a long handle/screwdriver and place it on the injector with the engine running,and place your ear up to the handle of the screw driver and you can hear a nice sharp "click" as it pops.if you hear a much more faint "clicking" on one then you found a weak/bad one.
here's a guy showing the screwdriver method;
here's a guy showing the screwdriver method;
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