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03-17-2025, 11:59 AM
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#1 |
 Drives: 2015 LT Join Date: Mar 2025
Location: Orion Township MI USA
Posts: 7
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Problem with sputter now worse/ stalls
My 2015 LT has about 51,000 miles. Recently it started to run rough right after I fill up for 10 seconds. Now it takes two times to start it after fill up and it runs rough for about 10 seconds. Also ot has always sputtered a bit once in awhile at a red light. Now my dash has a light. E7A, E7B, and E78. I think it must me a fuel issue but I don't know what it is. Anybody have any experience or idean about this? The plugs are now and it had the sputter at stops before the plugs.
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03-17-2025, 02:34 PM
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#2 |
  Drives: 2015 Z/22 Join Date: Aug 2015
Location: Ontario, Canada
Posts: 988
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Don't suppose you can read/monitor the O2 sensors? Or your fuel trims? Wonder what they're showing.
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Overkill/Self Tuned; Mace Camshafts; K&N Typhoon Cold Air Intake; Ported 80mm Throttle Body/Intake Manifolds/Manifold Spacer; Solo Performance High-Flow Cats, Cat-back Exhaust; Vitesse Motorsports Throttle Controller; Elite Engineering E2 Catch Can; BC Racing BR Coilovers; JPSS Delrin Radius Rod Bushing Inserts, Sway Bars; Pegasus Aluminum Rear Cradle Bushings, Camber/Caster Plates; Z/28 Toe Links, Trailing Arms, Upper Control Arm Bushings, Rear Shock Mounts
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