Have you put the paint stick under the gas pedal? Not being funny either lol. There is so much play on these models you have to damn near smash the gas pedal to get this big truck to go lol. But other than that I went with the Stage 1 kit from diablo. Edge Jammer CAi and Diablo i3 Intune. I'm very impressed with it. I have a 6" lift 22"rims and 35" tires and have no problems making them bark....currently getting around 14mpg too mostly city driving Sent from my SAMSUNG-SM-G935A using Tapatalk
I have a 2014 LT Z71 and this exact same thing happened to mine not long ago. Mine stayed on and a lifter was stuck. It only has 35k miles so still under warranty. The problem.is a known issue with the The Active Fuel Management System. They replaced all of the lifters associated with the AFM. As of right now I have since disabled the AFM on my own with a Diablo i3 intune. Truck runs great now Sent from my SAMSUNG-SM-G935A using Tapatalk
Glen Kierstead replied to Glen Kierstead's topic in 2014-2018 Silverado & Sierra ModsI had a loaner 2018 z71 LTZ And it got that as well....But I didn't have to put 91 in it either lol Sent from my SAMSUNG-SM-G935A using Tapatalk
Glen Kierstead posted a topic in 2014-2018 Silverado & Sierra ModsI have a 2014 Crewcab 5.3 with 6" lift 22" Rims and 35in Tires. Just curious what others are getting for gas mileage? The Diablo Tune for the Jammer CAi calls for 91. I'm on my 2nd tank of gas with this tune and intake and so far city/hwy I'm getting around 13mpg.
My 2014 with 37k miles is currently in the shop for a stuck lifter. It's been in the shop since Thursday May 24th. Service department called me Friday May 25th and said that indeed a lifter is stick and that they have to have the manifold in order to fix it but it's on "BACKORDER" so to me that might mean something as far as these years of trucks do in fact have a known issue with the AFM causing whichever lifter 1, 3, 5 and 7 to not reengage once you come from V4 to V8. Awaiting a call back today to see if they have a timeframe for when the part will be in. In the meantime they gave me loaner a nice 2018 Crew Cab LTZ lol....It sure seems tho that this truck is smaller inside the cab not as much room in the backseat. I looked it up and the wheel base is about 10inches shorter than my 2014.
Had this same thing happen to my 2014 5.3 LT Z71 with less than 37k miles on it. Happened to me yesterday. CEL Flashing with the Stabiltrak light solid. Start ticking even while pressing the gas. Rough idle and just running and sounding like dog crap! Called and scheduled a service appointment on it today for tomorrow at 7am. My code reader just showed P0300. Will update on what I find out over the next few days. Really disappointing tho. Almost want to just fix it and then sell it!!!
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Looks like this is a pretty common thing with these 5.3 V8 trucks. Mine did this exact same thing just lastnight. I just bought the truck a month ago with only 36k miles. 2014 LT. Luckily I have a back up vehicle to drive cause it sounds like dog crap! It threw code PO300 which is a misfire of course. But I've been reading that most common cylinder is the 7 with a stuck lifter. Hopefully its covered under the powertrain warranty the truck still has and I'm not out of pocket!!!! Not very happy at all!!
Thanks! I got it at a local shop here in Oklahoma they ordered it. This is the grill tho. https://www.carid.com/2014-chevy-silverado-grill/t-rex-x-metal-mesh-grilles-31874538.html?parentsubmodel=SUBMODEL|1500
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