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I was just at a stop light when there was an abnormal shaking & vibration coming from the engine and the check engine light came on. Luckily I made it home okay. I changed out of my work clothes and went outside to check. There's no smoke or leaking fluids. Visually, as far as I can tell, everything is okay. I fired the car back up and the light immediately came on along with the rumbling. Tough break being a Sunday night when I have to leave for work again at 5 AM. Any ideas what this could possibly be? I may have to invest in a diagnostics tool as I have been having a lot of other costly VW troubles as of late.
That (as well as a myriad of other automotive disfunctions) happened to my 2.5 08 jetta.
It was a bad coil. Easy to diagnose and fix (myself). Get a code reader (youll need it) or have autozone read the code. If it is a coil the code will tell you which one, easy to change out.
Thanks for the tips, guys. Does the cheapo Autozone code reader work okay or should I get a higher quality one?
Hello, I use Elmscan 5. You have to order it from Amazon and it hooks up to your laptop. It will also provide alot of other information as well. Some real time data, although some people complain the refresh speed is too slow.
Generally with a check engine light you want to get to a reputable shop asap..... You need to get that code read and figure out what is necessary from there.
A check engine light generally doesn't mean that the engine is going to grenade right away. I'd just get it checked when you have the time and go from there. I'm curious to see what you find out. I'm still sticking to the three things listed above. I will throw in a fuel filter or pump though as I also had that issue on the Audi.
A check engine light generally doesn't mean that the engine is going to grenade right away.
That is correct...as long as the CEL isn't blinking.
A steadily-illuminated CEL=diagnose and fix as soon as it is convenient.
A blinking CEL=diagnose and fix immediately if you want to avoid very expensive damage to the catalytic converter and possibly to some other components.
That (as well as a myriad of other automotive disfunctions) happened to my 2.5 08 jetta.
It was a bad coil. Easy to diagnose and fix (myself). Get a code reader (youll need it) or have autozone read the code. If it is a coil the code will tell you which one, easy to change out.
It was a coil issue.
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