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The Golf Mk4 was first introduced in August 1997, followed by a notchback version (VW Bora or, in North America, again VW Jetta) in August 1998 and a new Golf Variant (estate) in March 1999.

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VW is sputtering in idle and in low gears?

I recently took my 2005 GTI to the local mechanic - I know the topic is up until 2004 golfs, but I don't think there should be much of a difference when you read the rest - So anyway, they replaced an O2 sensor, cleaned out my Mass airflow sensor, replaced the crank sensor and fixed a problem with the axle on the front passenger side and got an oil change. When I picked it up, the mechanic told me the spark plugs needed to be dealt with because there was wet gasoline on the plugs. Now it sputters a decent amount at idle (a shaking back and fourth at a red light that lasts longer than 15-20 seconds) and then upon turning green it sputters quite a bit; having power, then losing it. Kind of seems like breathing in and out really fast if that makes any sense. So he told me to go drive it on the highway for a while to dry it out. The thing is, this wasn't happening at all before. The idle was fine, it didn't sputter like this. There was some "laggy" gear shifting, which the crank sensor was suppose to take care of.

I suppose my question is, do you think there was something done wrong with the car? I haven't yet had the chance to take it on the highway for an extended amount of time.

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Sounds like they might have taken your plugs out to look at them and possibly damaged one or more in the process of checking. Might have cracked the porcelain or hit the head changing the gap. Another possibility is while cleaning your MAF sensor they might have touched the pins, getting oil, grease or dirt in the contacts. If its none of those are the culprit possibly look at your fuel filter, might need replaced.

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