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Showing results for tags '5.3l gen 5'.
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afm dod delete 2015 silverado needs a hug
Richard Latino posted a topic in Troubleshooting & Recalls
Truck has dod delete with stage 3 cams and no more cats as well as being dyno tuned and programmed by the company that did the work on the heads. I've put about 30000 miles on the truck since all that work and other than struggling to get over 13 miles to the gallon I've loved every mile of it. It's been tuned to have 93 octane fuel as well as octane boost in each tank. I have done exactly that and the big crew cab, 4wd, 6 inches of lift with 35×12.50r20s would get up and go and not stop unless you get scared. But then someone puts 83 octane in and all hell brakes loose. Even after 4 full tanks of 93 octane and boost the truck lacked power and when in higher gears at low rpm is is extremely jerky when you accelerate. It also started getting stuck in 3 or 4th gear and the check engine light was #5 transmission solenoid stuck open. After clearing the code ot would shift normally. It has come back on twice but each time I just unplugged the battery for a couple minutes and the light reset and it shifts regularly again. I changed plugs and wires and mass airflow but no change. Where do I go from here?