Merging to fast lane I accelerated hard
Got the Check engine light steady.
Scanned with VAG-COM=> the only DTC were for misfire – intermittent.
(Misfire DTC are present always previously w/o CEL on).

Clearing the DTC reset the CEL.

I’ve received CEL for a moment during hard acceleration before, nothing steady.

Is the steady CEL result of misfire (in my case)?
Is it common to have misfire related intermittent DTC often/always?

Any opinions please?

 

The first thing to do when you get a CHECK ENGINE LIGHT is to open the hood and make sure the engine is there. Next get out your trusty VAGCom and get the codes.

From your post I think you did both -- Good work!!

As for intermittent mis-fire- As you know it happend once in a while without setting a code, but when it gets bad enough the CEL goes on. It sounds like it is time to do a tune-up - plugs and wires -- a bit of fuel injector cleaner - wash your hands and face, comb your hair, put on clean cloths and you will beready to visit your favorite girl.
[sm=kissykissy.gif] [sm=love.gif]

 

When the "check engine" light comes on, you definately need to "Check" to make sure your engine is still there, its just like hitting the "any" key on the keyboard....

and hey NH what if your favorite girl.... is your own Audi?
the tailpipe gets so hot... not enough bandages [sm=badidea.gif]

 

I'd sugest that your kinky and get what you deserve.

 

[sm=sigh.gif] you're probably right

the state is making me see a therapist about it

 

Gentlemen,

I'm confused by your responses.

The discussion gets kind of crooked.

Any meaningfull posts?

 

Your confused?? How about us? We are typing this drivial stuff.

As for meaningful posts -- You asked for input aboutan intermittent misfirecheck engine light. I suggestedyou need a tune-up that includes plugs, wires, and injector cleaner. When these go bad or get weak theyusually cause a misfire.Intermittent misfire means it happens once in a while. The CEL might flash but not lock on if there are a few misfires but a bunch will certainly turn it on. Your hard acceleration gave you a bunch, thus turning the light on. If you choose to ignore the light by continuing to turn it off, one rainy day the thing won't start and you'll be on here asking why. The CEL will either be off (no Codes) or show intermittent misfires.

You gave no information about your car such as year, mileage, motor, etc so all we could do was give you some basic info. We threw in the fun stuff for free.

As they say in Geometry Class QED.
(quod erat demonstrandum)
or (Quality Education Demoralized)
or (Quick Exit Demanded)


[sm=teetertooter.gif]

 

or (Quiznos Equals Diarrhea)

 

It might be just bad batch of gasoline…

Thank you,


2003 2.7T (mods free)

 

2.7 Turbo -- They run hot - Hot means they eat plugs -- - If the problem continues I would change the plugs. How many miles on it?