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  #111  
Old 09-11-2018, 09:24 AM
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Originally Posted by Dirtclod View Post
Yesterday I took all the boots off and replaced the clamps. Found a small fuel leak on the supply side just before the split to the heads. I drove it about 40 miles to a shop to drop it off and I tried the other tunes out. Street,heavy tow,stealth,all out. I’d been running in tow/economy. The other tunes would spool up to 27-28lb. But throttle response was slow. Lots of smoke with a mix of black and white with a steady haze the whole ride. This guy is very familiar with our trucks and has a built 7.3 of his own so I’m sure he’ll have it figured out soon.
Still sounds like you have a boost leak. Are you running a waste gate?

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  #112  
Old 10-10-2018, 11:38 AM
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Ok here’s a another update. Yes I am running a wastegate. My ICP is bad and either my stock fuel pump is not going to big enough or it’s weak,according to the mechanic. Also I may not have programmed the hydra chip right so it might be running on stock computer. Or something isn’t right with the chip and just needs updated. Also there is a fuel leak off the return side under the truck. He sounds pretty optimistic that it’s a simple fix.
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  #113  
Old 10-10-2018, 11:42 AM
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Default Time to do injectors

Hydra has two options once plugged in
1. On
2. No start (stock tuning will not run with it plugged jn)

What injectors were you running again? Been awhile looking at the thread.


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Last edited by DieselDC; 10-10-2018 at 11:51 AM.
  #114  
Old 10-10-2018, 01:15 PM
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When doing tunes with Matt at ******** he pulled the tube from the wastegate when I had the exact issues.. He said that is they way it should be. That was several years ago
but is the way it has been with his tunes.
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  #115  
Old 10-10-2018, 01:19 PM
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Quote:
Originally Posted by DieselDC View Post
Hydra has two options once plugged in
1. On
2. No start (stock tuning will not run with it plugged jn)

What injectors were you running again? Been awhile looking at the thread.


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  #116  
Old 10-10-2018, 01:20 PM
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Quote:
Originally Posted by dmd View Post
When doing tunes with Matt at ******** he pulled the tube from the wastegate when I had the exact issues.. He said that is they way it should be. That was several years ago
but is the way it has been with his tunes.
Ok I’ll pass that on to my mechanic. Thanks for the replies.
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  #117  
Old 10-10-2018, 06:50 PM
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I forgot to mension this,but he thinks for some reason and maybe because the icp sensor isn’t working correctly that the computer is having 2 shots of fuel delivered like it would for split shot injectors instead of a single shot of fuel. Now all that is over my head. I have read some stuff as to where an icp sensor or ipr valve or something else there related would cause the pcm to try and compensate for lack of whatever just to keep the engine alive. Would this cause a situation for overfueling? Or say cause the injector to stay open ping too much fuel into the cylinder?
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  #118  
Old 10-11-2018, 04:47 AM
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How much do you trust this mechanic, does he do a lot of diesel work or is it just some dude in a garage?
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  #119  
Old 10-11-2018, 05:17 AM
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I trust him to an extent. He and his partner only work on diesel pickups. His personal truck is a Superduty 7.3 99-03. It’s also modified. I know that don’t mean squat. I’m giving him till the end of the week to figure it out.
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  #120  
Old 10-11-2018, 05:44 AM
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Quote:
Originally Posted by dsberman94 View Post
How much do you trust this mechanic, does he do a lot of diesel work or is it just some dude in a garage?
That’s all he works on. His personal truck is a 99-03 7.3. If he can’t figure this out by the end of the week I’ll take it to Full Throttle performance. It’ll be a month or so before they can work it in but if know they’re good.
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