3.8 prodigy turbo problems - JeepForum.com

 
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post #1 of 4 Old 12-09-2014, 09:46 AM Thread Starter
alexulber27
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1999 XJ Cherokee 
 
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3.8 prodigy turbo problems

Hey guys i have a 2007 jku with the prodigy turbo kit installed. The jeep is running off of diablosport intune software. My problem is that under every condition besides w.o.t. the jeep drives like crap. For example when i make part throttle boost the jeep leans out excessively. If i stop too fast the engine dies. just a general bad driving experience except under w.o.t. afr is perfect and it runs awesome. After researching more about the intune it seems as if you are not allowed to tune fuel or ignition under any condition but w.o.t. if this is the case then i need to throw away the diablosport.

Does anyone know of any better tuning solutions or does anyone know if i can get the diablosport to make the jeep drive well.

Thx, Alex


1999 xj- 4.5 inch RE superflex kit, SYE, rubi wheels, BFG mt's, h4 headlights, Solid diff covers
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post #2 of 4 Old 12-09-2014, 04:38 PM
duneslider
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Does prodigy not have a specific tune for their kit? I would think you would need a custom tune for this application, not a diy tune?
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post #3 of 4 Old 12-09-2014, 09:31 PM
RockyClymer
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Ditto. You will need a custom tune that the Diablo can install. Hard to believe the turbo mfgr does not have one. You could call RPMExtreme and see what they charge for a custom time?

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post #4 of 4 Old 12-10-2014, 03:31 PM Thread Starter
alexulber27
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I did get it tuned at injected engineering in kennesaw but there was no improvement. I just ordered the fuel enrichment module from split second. Hopefully that will fix the lean condition during closed loop boost.

1999 xj- 4.5 inch RE superflex kit, SYE, rubi wheels, BFG mt's, h4 headlights, Solid diff covers
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