Stumble

[Grant Lenahan]

O2 sensor?

variable cam point?

Grant
On Nov 3, 2011, at 3:17 PM, Dan DiBiase wrote:

> I've noticed a slight stumble during acceleration in my car over the past week or so. Basically, in most gears, when the car is
> warmed up, there is a slight hesitation or stumble while accelerating - it always occurs around 2,000 - 2,300 rpm, regardless of
> which gear I am in. It feels like an interruption in the engine power, or a hesitation. No CELs have come on, and the TB was replaced
> at 75k miles (currently have 109k). Any thoughts on what could cause this stumble?
> 
> Dan D
> '04 A4 1.8Tq MT-6
> Central NJ USA
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