fuel spraying from injectors on sts turbo - Hemi Truck Club
 
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Old 11-17-2007, 09:10 PM   #1
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fuel spraying from injectors on sts turbo

Ok..I have a question....my truck has been sitting still since last Thursday. I haven't turned it on.
Now I am only missing connecting the boost controller and gauges.
I turned it on to find that my battery is not charged to good and to have some fuel spillage from the injectors.
Anybody have a clue has to why the spillage is occuring?
All the old injectors still have there o-rings top and bottom so none were left on the fuel rail.
I need halp please. Thanks

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Old 11-17-2007, 10:11 PM   #2
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fuel spraying from injectors on sts turbo

Recheck the back driver side injectors to make sure they are seated properly.
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Old 11-18-2007, 01:32 PM   #3
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fuel spraying from injectors on sts turbo

I had that fuel spillage that your talking about. It doesn't take much to tear the injector O ring during installation. I ran to NAPA to pick up some new O rings. Make sure you lube the O ring before you push them down into the manifold. Same with the O rings before you push the fuel rail on.
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Old 11-18-2007, 01:38 PM   #4
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fuel spraying from injectors on sts turbo

I did lube them before I installed them...top and bottom o-rings.
Should I recharge my battery and retry turning it on? Or should I just pull out the fuel rail and injectors first and check the o-rings? If I do have to pull the injectors again....does anybody have any suggestions to make the work easier? Drivers side took me 2.5 hours....mind you I am not a mechanic but I am mechanically inclined. This was my first time ever changing injectors.
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Old 11-18-2007, 07:45 PM   #5
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fuel spraying from injectors on sts turbo

Well I just checked again and the injector on the passenger side closest to the firewall is spraying out fuel from the top side of the injector (the side that connects to the fuel rail). So I changed out the o-ring for one of the top ones on the old injectors....and mounted everything back together and it is still spraying out fuel from there. What now?
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Old 11-18-2007, 08:50 PM   #6
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fuel spraying from injectors on sts turbo

You need to take a light and find out where the fuel is leaking.

Have someone else turn the key to on, the pump will run for around 2 seconds.
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Old 11-18-2007, 09:23 PM   #7
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fuel spraying from injectors on sts turbo

Its the injector on the passenger side closest to the firewall, and the injector on the driver side closest to the front of the truck. They are both leaking on the top side of the injector that connects to the fuel rail.
What now?
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Old 11-18-2007, 10:30 PM   #8
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fuel spraying from injectors on sts turbo

Here I just made 3 videos of whats happening. Check out the links please....



HELP!!
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Old 11-19-2007, 11:15 AM   #9
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fuel spraying from injectors on sts turbo

Thats weird and saying thats a leak is an understatement looks bad. Are they seated in right or damaged in anyway cracked on the topside even a hairline crack under pressure can look like that. Does anyone know if those cobra/bosch injectors he has are the correct ones
BTW the meth kit is going out 2morrow
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Old 11-19-2007, 11:24 AM   #10
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fuel spraying from injectors on sts turbo

Quote:
quote:Originally posted by CentralTexHemi:
Thats weird and saying thats a leak is an understatement looks bad. Are they seated in right or damaged in anyway cracked on the topside even a hairline crack under pressure can look like that. Does anyone know if those cobra/bosch injectors he has are the correct ones
BTW the meth kit is going out 2morrow
Thanks for the kit. I believe they are seated correctly...I mean I took them out and put them back on about 3 times on the passenger side fuel rail only. My uncle says to get a vacuum and clean up where the injector seat on the manifold and the fuel rail....maybe dirt got in when I was changing them out. And he said that instead of trying used o-rings....even those on the original injectors....to get new ones because they can seal better.
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