Sean from Hemifever. He has been patient and a great source of info throughout this process. Per his request, on Monday, I will be getting on the dyno and will record the AFR using their wideband. I’m hoping that I can get the right info to get the tune fixed. I was wondering…if there was something wrong with the FIC1000 injectors or dual fuel pump, wouldn’t I be getting a fault code or CEL? I’m just trying to rule out any possibility.
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2016 Challenger Hellcat not responding to tune revisions
I just wanted to get everyone’s thoughts on the issue I am having. My tuner has sent me 3 different tune revisions and my car is still running very lean at WOT (12.4-13.6 on the dash gauge). On 3 different occasions he had me record (on my phone) the AFR on the cluster at WOT. He can’t seem to richen up the air/fuel mixture. Here is the list of mods I have on the car. I’m hoping someone can share some insight. Could it be the wideband sensors malfunctioning or something else? No CEL or fault codes. Thank you in advance.
MODS:
-JLT intake
-JLT driver & passenger side catch cans
-Diablosport unlocked PCM & Tuner
-PCM & TCM tune
-Stainless Works car delete (with O2 simulators)
-Khaos active exhaust delete
-Mid muffler delete
-FIC1000’s
-Steve White dual fuel pump
-Dusterhoff 2.72 upper pulley
-Ripatuned Incognito lower pulley
-DSS driveshaft
-3.09 LSD
-Brisk Hemi Race Spark Plugs (ER14YS)
-100 octane
MODS:
-JLT intake
-JLT driver & passenger side catch cans
-Diablosport unlocked PCM & Tuner
-PCM & TCM tune
-Stainless Works car delete (with O2 simulators)
-Khaos active exhaust delete
-Mid muffler delete
-FIC1000’s
-Steve White dual fuel pump
-Dusterhoff 2.72 upper pulley
-Ripatuned Incognito lower pulley
-DSS driveshaft
-3.09 LSD
-Brisk Hemi Race Spark Plugs (ER14YS)
-100 octane
1 - 5 of 12 Posts
My backup plan, if this doesn’t work out, is to convert over to HPTUNERS. There is at least 1 tuner local to me that prefers to use them.You may consider HHP or Barth Tuning. Both are top tuners that use Diablo.
Thank you, I’ll keep that in mind.If you go with HP Tuners, I strongly recommend Curt Dusterhoff.
What’s your set up?Curt tuned my Hellcat, made 892whp. Never had any issues.
1 - 5 of 12 Posts
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