Quote:
Originally Posted by vafan13
Does it only happen if you reverse during cold start, or still shortly after? The only time I had it go wacky was when I tried to reverse early on in the cold start, when idle revs were sitting in the 1100-1200 range. Although I think I also had to tab the gas to cause it.
And a completely non-rhetorical question: why would a dirty or malfunctioning MAF sensor cause severely unstable idle when starting up cold, but magically cause no problems a few minutes later or any point thereafter?
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Seems to be only after reversing DURING cold start. It just seems strange to me that reversing while in cold start mode would cause a very advanced ECU to malfunction enough to stall the car out. I've done some more research and some people are saying it could have to do with the DCT software on the car, although I haven't explored that theory any further.
And I do not have an answer to your question, but figured cleaning the MAFs would be an easy, cheap thing to check.