So I start my car tonight, and get a quarter mile from home when my car starts sputtering, and its shaking the whole car...but only when I'm not moving at all, or when I'm accelerating. When i'm just coasting, everything is fine. At first I thought it might have been some neighbor delinquent that had put something in my exhaust, but that wasn't it...what's the problem here?

My car is a 2003 A4 1.8T automatic, about 51K miles. Please help!

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2003 Audi A4 1.8T Multitronic CVT

6000K HID | Matching fogs | Custom Euro plate | Painted lowers | Hardwired radar detector | Rear lip spoiler | ...more to come!

Check for codes.

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2001 A4 1.8T Q Casablanca White, Tip, ESP, Xenon and Premium

Got it taken care of...it was a bad #3 coil, went to Audi dealer, they took care of it--no charge!

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2003 Audi A4 1.8T Multitronic CVT

6000K HID | Matching fogs | Custom Euro plate | Painted lowers | Hardwired radar detector | Rear lip spoiler | ...more to come!