The Best Can A Bad Ac Compressor Cause Check Engine Light 2023. The ecu measures voltage signals to parts like the compressor, and can detect malfunctioning signals which might result in incorrect voltage delivery. Web if the ac compressor is failing or you have a bad ac compressor, this can negatively affect the engine.
Web check engine light: Turn the ac on high while the engine is running Web ecu error — if you get a check engine light on your dash, this is a definite sign something more sinister is lurking.
