What makes a Chevy Silverado misfire # 7?
What makes a Chevy Silverado misfire # 7? I swapped the coil/wire/plug with cylinder #3 and the fault followed, so I swapped the coil back to it's original #7 spot (plug wire got broke, so it's new) and the fault stayed with #3. This leaves just the plug, which is visually fouled. My question is this... Can a Gen III truck have a Random Misfire? 99 through 05 GEN III truck engines may experience any of the following: A cold rough idle that diminishes as the engine warms up. Possible DTCS P0171, P0174, or P0300. Random misfires at idle. What...