Check Engine Light On Volkswagen Jetta. When your engine is misfiring it is dumping raw fuel into the exhaust. Today I will show you ho.
A loose gas cap can allow oxygen to get into the gas tank and can trip up the oxygen sensor which in turn illuminates the check engine light. You see a bright exclamation point light up your dash and you arent likely to identify the issue just by taking a look at the symbol there are at least three different ones indicating problems with brakes the automatic transmission or the tires but at the same time a light that suggests an engine problem is. Most of the time that serious problem is a misfire.
The on-board diagnostic computer generates and stores an error code that then must be retrieved so you know what the problem is.
The vehicle was taken to an independent mechanic and was diagnosed that the cylinder was misfiring and that the spark plugs and ignition coils needed to be replaced. A flashing check engine light is your Volkswagen Jettas way of saying I have a serious problem dont ignore me. When it comes to the check engine light we recommend trying to tighten the gas cap and waiting a day or so to see if the light turns off by itself. The vehicle was taken to an independent mechanic and was diagnosed that the cylinder was misfiring and that the spark plugs and ignition coils needed to be replaced.
