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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 06-10-2013, 04:18 AM   #1
Erad
 
Drives: Camaro SS 2010
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Unhappy Engine misfire

Engine misfire
Hey guys, I'm actually new to LS3 engine. I have recently purchased a Camaro SS 2010 and it has some work done on the engine. Unfortunately I don't know what exactly but as per my experience the below modifications:
1. Cam
2. Intake
3. Throttle body
4. High pressure piston
5. Air intake
6. Headers and one chamber cat back

I have tuned the car recently and since I'm in Dubai the temp in the summer is really hot so additionally I have kept and engine oil cooler as well. I'm using MSD wires and my tuner advices that I should go with NGK 7. However, after my research I noticed everyone is recommending to stay with the AC Delco stock plugs.

The issue what I have the car from rpm 1 to 2.5 has a misfire and after that everything goes normal and the other issue I have the all the lights on the dashboard are on! such as traction control, abs, airbag and sometimes the check engine sign. The car had no accident. However, my tuner says its because of the modification done to the car you can not get rid of these lights and since you have misfire.

Sorry for the long story, but I would appreciate if anyone can help me out here. Thanks
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Old 06-10-2013, 07:59 PM   #2
Taser Deployed

 
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You'll probably get more responses if you post in the SS specific forum.
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Old 06-10-2013, 08:07 PM   #3
The Stig



 
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Moved
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Old 06-10-2013, 08:12 PM   #4
flyer08
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Good luck. I'm no help but hopefully someone can get you straitened out and possibly better tune. Sounds like that's what you really need
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Old 06-10-2013, 08:58 PM   #5
BubbaSS
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Check your plugs and wires, then get a tune from someone who knows what they're doing.
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2011 2SS/RS M6 BLACK - VARARAM NO TUNE INTAKE, BBK 95MM TB-INTAKE MANIFOLD PORTED TO MATCH, DOUG THORLEY LT'S, CATLESS, X-PIPE, 25" STAINLESS WORKS RETRO CHAMBERED MUFFLERS, CUSTOM 2.5" MANDREL BENT EXHAUST, RICHMOND 4.10 GEARS, CUSTOM CAM (231/242 @ 114LSA) & DYNO TUNED BY TORQ (WWW.GETTORQ.COM), 20% CERAMIC TINTS, EIBACH PROKIT SPRINGS 1" DROP, HAWK PERFORMANCE CERAMIC BRAKES, NITTO INVO TIRES, HYDROCARBON TAIL LIGHT AND FOG LIGHT BEZELS BY EMBLEMPROS, METRA DASH KIT, JVC KW-AV71BT, PHOENIX GOLD iAMP GM1, PASSPORT QI45 - MUSTANG DYNO RESULTS: 440 RWHP 400 RWTQ
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Old 06-10-2013, 09:21 PM   #6
2012InfernoSS
 
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Quote:
Originally Posted by BubbaSS View Post
Check your plugs and wires, then get a tune from someone who knows what they're doing.
X2

Id guess one of the plug wires are not on all the way
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