Forum Discussion

Thunderbolt's avatar
Thunderbolt
Explorer
Nov 14, 2016

03 silverado running rough

I was coming home from deer hunting pulling my atv trailer. I stopped and got gas and 80 miles later it seemed like I was down on power and the truck was kind of shaking. I got into town and when I started out from a stop light it was shuttering and shaking and had little power. The SES light is not on. Any ideas ? I put some isopropyl alcohol and some fresh gas, but I would think I would have had bad gas symptoms before 80 miles. Any ideas ?
Tow Vehicles
  • turbojimmy's avatar
    turbojimmy
    Explorer
    Nov 14, 2016
    If it's shuddering and shaking, it's just a matter of time until the SES light comes on with a either a generic misfire code or, hopefully, something more specific that will point you in the right direction. Sudden changes are *usually* electrical in nature - my guess would be a coil pack, plug or wire. I would wait for the codes first before spending any $$ tho.

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