Erratic idle after warm-up
Hey guys,
Been noticing a little bounce in the idle after I let the truck warm up. It's barely noticeable but it's been irritating me. After I drive it and come to a stop it's a little worse. It feels and sounds like a miss or something. Y'all can see what I've done to the truck from the sig. I called Thoroughbred Diesel and was told it's probably a leaking feed tube. Any thoughts? |
It could be as i had a similar issue and resolved it with a draw straw 5. Do the air in in the fuel test with clear hose under load before dropping the tank. Could be a number of things so start test, not replacing.
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I'll do the air in fuel test on my next day off, it's not my daily driver. I was extremely methodical when I installed the injectors, not torquing until positioned with feed tubes correctly etc. I did not replace feed tube o-rings but I inspected all tubes thoroughly inside and out and found no scarring or pitting or anything out of the ordinary. I really don't think it's the feed tubes as I can't detect any fuel in the engine oil.
Any way, I appreciate the help. |
fuel tubes wouldn't cause fuel in oil.As far as Fuel tube orings they could cause a hard start after sitting for a while. Could be a prob with injectors or pump.
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The truck starts right up and runs great. No leaks anywhere and I have no other problems other than the idle. I've got 17 rock solid psi at idle and great throttle response, mileage etc.
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when did the problem start?
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The problem started after the VP, injectors and AirDog were installed.
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Hot rod vps can have a funny idle at times but i ddnt see that you have a hotrod. What brand injectors? What year truck? Did you do nozzles or full injectors?
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Sounds like its an injector miss fire/ pop pressure not correct
Sent from my iPhone using Tapatalk |
It's a S.O. VP and the injectors are from Industrial Injection. The truck only has 89 K miles.
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