I wanted to knw,I have a 2008 silverado 4.8 lights
don't flicker but truck runs like it is missinr misfire
can anyone blow me please? Or does a bad
alternator could do that without showing. Artery
An alternator that has dropped voltage that far will have dim lights, turns signals that flash really slow just before the engine quits running due to low voltage, usually the charge light will be on and if you have a voltmeter it will be in the red on low voltage. Engine misfire can be bad plugs, injectors, intake manifold leaks, wiring, etc. Have you pulled the codes to see if anything is in memory or a hard fault?
A lower charging voltage means less power to the Engine Control Unit. and a lower voltage output to the actuators. Check the charging voltage to the battery first.
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