Does anyone know why the engine is misfiring at highway speeds only, but no check engine light comes on. I have had the coils and spark plugs replaced. It misfires just like when the coils and plugs were bad. I would gladly accept any suggestions to keep from getting too expensive.
A D V E R T I S E M E N T S
Does anyone know why the engine is misfiring at highway speeds only, but no check engine light comes on. I have had the coils and spark plugs replaced. It misfires just like when the coils and plugs were bad. I would gladly accept any suggestions to keep from getting too expensive.
- Jason J., Charlestown, US