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02-04-2023, 08:18 PM
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#1 |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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AFR all over the place
Recently my AFR started fluctuating for no reason. Tonight, I skipped it into neutral for a stop and the AFR dropped down to 9 and the engine almost died. I put it into 1st and pull out the AFR stayed low around 10-11 until I got up to 2000rpms, then it went to normal 14-15.
Haven’t changed the tune, or anything in over a year that has anything to do with air. I put a fuel additive in this tank, but I have used it many times before. What is going on? MAF failure? misfire? O2 sensor? No CEL has turned on.
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2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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02-04-2023, 08:20 PM
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#2 |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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Pics
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2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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02-09-2023, 12:20 PM
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#3 |
      Drives: 2011 Camaro SS 6sp Join Date: Nov 2016
Location: Drivers Seat
Posts: 1,905
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Do you have HPTuners? Otherwise we would just be guessing.
Is your brick re-inforced? Vacuum or exhaust leak?
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2011 Camaro SS---SOLD
TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes... |
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02-09-2023, 08:47 PM
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#4 | |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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Quote:
If it happens again I will get some readings with my HP, good idea.
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2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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02-10-2023, 02:15 AM
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#5 |
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Drives: 15 Camaro 2SS M6 Join Date: Jan 2020
Location: BC
Posts: 732
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post up a trend graph, shouldn't be too hard to narrow down.
I read that u didn't get a cel but did u check for codes?? |
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02-10-2023, 07:53 PM
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#6 | |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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Quote:
__________________
2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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02-10-2023, 09:05 PM
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#7 |
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Drives: 15 Camaro 2SS M6 Join Date: Jan 2020
Location: BC
Posts: 732
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next time u get a second do a scan, curious if u got a code, ur ecm should of picked up something up like lean, o2's, vac, misfire....
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