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Old 10-17-2009, 11:29 PM
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Default Acceleration Problem

I own a 2004 manual transmission convertible bug. The check engine light has been on for quite a while with no change in performance until two days ago. All of a sudden, I am having major acceleration problems. First gear seems fine. When I shift into 2nd, 3rd, 4th and 5th, the engine will rev up to about 5K before the gear responds and the car accelerates. Also, just tonight I noticed a yucky smell when I was a couple of miles from home. From what I have read, it sounds like a Mass Air Flow issue. VW wants $100 to run the diagnostics and about $300 to fix the MAF. I saw an aftermarket MAF for about $28. Is there any way to tell [short of paying for the diagnostics] if it is the MAF and is this something that I can replace myself or is it like the headlights - impossible to get to? Thanks in advance for any help I can get on this issue.
As an aside, I noticed someone with a window issue on a different thread... my bug has been having failure to drop problems since it was about 1 yr old. Had both window "lock mechanisms" replaced [twice actually] under warranty and the passenger window is back at it... cold weather has an effect on the frequency of the window not dropping. Also, it only happens when the door is opened from the inside. Once it is closed and reopened from the outside it drops and rises fine.
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