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  1. #1

    Default 2010 chevy silverado crew, 5.3, 3.07, AFM, 6 Speed

    Rough idle at a stop light,sign. 25000 mile. 3000 miles after last oil change was a quart low. normally i do my own oil changes but i bought the truck with 16500 miles on it and got a couple free oil changes when i bought it. no oil drips, i always park in the same spots at work and home. gonna start changing my own oil again and gonna go with mobile one 5w30. all my other cars and trucks have had synthetic oil so i figure gotta change this one over too. any guess about the rought idle? or if synthetic is not a good idea? Just would like help or ideads. thanks.

  2. #2
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    mfleetwood's Avatar
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    Welcome to the Club!! You may want to post your question on the Tech Q&A portion of this forum. Not sure about the rough idle, but I do use synthetic oil.


    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    TIRES:
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  3. #3
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    Caddiac's Avatar
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    Welcome aboard! I am a dino man myself 'cause I am a cheap bastard. Wife's benz get synthetic.
    86 911 Porsche Carrera
    98 K1500 Suburban LT
    2012 Nissan Leaf

    ​General Motors.
    Because life is too short to drive a Ford

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