Quote:
Originally Posted by 2000986s
CoBeerToad: I noticed that in this thread you mentioned you're from the Chicagoland area. Has the insane humidity during a couple weeks this summer made your boxster act weird at all? I have noticed on a really humid day the car doesn't always start up right away, like it sounds like it's going to misfire but then at the last second it comes to life. Also, when in neutral or sitting in first gear with the clutch depressed, the car likes to actually rev itself without me giving any throttle. It'll fluctuate from about 500rpms to 1000 rpms, occasionally jumping all the way to 1200. This is when I'm just standing still at a stop light. It's so pronounced that a 350z actually thought I was trying to antagonize a race one time... Lol. I do know that I need a new o2 sensor but not sure if that even would cause something like this. Any thoughts or is it just a 16 year old car acting weird in the humidity?
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No issues with revving. My idle is pretty steady in neutral and when the clutch is depressed.
I haven't had any issues with cold starts on hot days, but when I run it to the store and come back out, the restart is like you described. I haven't given it much thought as it always seems to catch "at the last second" and has never failed me. Knock on wood.
I'm not really smart enough to know what causes these issues. It's probably along the lines of what thstone said. I think I saw in a thread here a way to clean the MAF, but you'd have to search for the thread. Seems like that might be the first thing I'd look at as it might be the easiest and is more than likely the culprit from what I've heard.