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more injector problems

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Old Oct 9, 2006 | 09:06 AM
  #1  
Learath's Avatar
Learath
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more injector problems

ok so last month i replaced the #5 and #7 injectors, and my truck has since stopped the bubling in the tank and no more bubbles and i got a lot more power. i replaced these two at the suggestion of one of the more knowledable people here, they were very hot while all the rest were just warm. so i started my truck up yesterday (just to run it a bit and to keep the battery good) havnt done much with it because of transmission problems. but when it got to operating temp the #7 injector was very hot while all the rest were just warm. did i get a bad injector? or is there something that would make it just go bad that quick? i have put maby 5 miles on my truck since i replaced the injectors.

and just incase the sig doesnt work i have an '85 f250 6.9
 
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Old Oct 9, 2006 | 11:18 AM
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Spectramac
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I've seen new injectors test bad right out of the box. This happened more years ago than today, but I'd say it's still possible. Run some lubricity aditive in the fuel with new parts or the low sulfer diesel can take them out before they wear in.
 
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Old Oct 9, 2006 | 06:44 PM
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the tank is already dosed with additive
 
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Old Oct 9, 2006 | 06:53 PM
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if you think the injector is bad, get it tested or swap it with another one on the engine and see if it still gets hot
 
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