How to Tell If You Are Out of Fuel Injector Using HP Tunes 3.X Scanner
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- This short Tech Tuesday video will show you how to tell when you are out of fuel injector using your HP Tuners 3.X Scanner.
0:24 How to use your scan file to tell if you are out of fuel injector
0:28 By viewing our Injector Duty Cycle
0:32 What does that mean?
0:40 by looking at a WOT pull
1:00 What if I had a CAM or Supercharge by vehicle?
1:35 What happens if they exceed 80% IDC
1:53 How to add Injector Duty Cycle (IDC) to our scan
2:16 Chart vs Time
2:30 MAPHS Section
2:50 Double click IDC
3:08 Last thing pick color
3:45 Now that we have looked at a good stock file, let's look at a known bad file.
4:21 Wow 121% Injector Duty Cycle- You never want to get that far.
4:40 Pause this video and take a look at your scan file.
4:45 I am out of injector what do I do next?
4:52 Infinity Injectors made for American V8's come with specific copy and paste data for HP Tuners or SCT.
5:05 This allows you to copy and paste directly into your tune file
5:12 This allows quick engine startup and for a great base point to start a custom tune.
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How do you log idc on older versions of hptuners? X axis and y axis?
So hey... I know this is an old video.. But I thought I'd try anyway.
I'm new to this side of things so bare with me..
What (on an LS3) do people usually run out of first.. Injector or pump ?? Also what are the standard injectors good for (HP wise) and I would pose the same question for the standard pump.
Maybe a stupid question. My Roush RS3 is tuned with VMP phase2 for Roush TVS 2300. Phase 1 to 2. The Roush version is supposed to Come with 56lb injectors. My car has the 47lb injectors , if I swap out the 47lb to a 56lb like it’s supposed to have ,will I need a retune or should I be ok seeing how I have a boost a pump?
nice video
There's not a fuel injector big enough for all the power I want. haha
Just fyi,, high duty cycles can also mean you dont have enough fuel pump. Always check your fuel pressure under load before you spend money on larger injectors!
Yea we just went through this with one of our swap projects. Even went out and bought larger injectors( which ran the same duty cycle because they were still running out of fuel) just to find out the pump wasn't keeping up. Bought a larger file pump(walbro 450) and injector duty cycle dropped from 118% down to 90% on the original injectors. Still high but workable without spending several hundred on new injectors. And if it would have been around 100% before the pump it would have put them right in the sweet spot.
nice video