Am investigating same problem. Download the free technical manual and you can find a diagram for the air mix door. If this doesn't shut you will be getting lots of heat through despite the cooling of the Aircon. I don't know how to get at it or fix it but it describes how to run diagnostics - you don't need specialist tools for this. Also a blocked pollen filter probably won't help.
low rpm at idle bad miss exspecially at redlights when brake is pushed but sounds totally different...
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low rpm at idle bad miss exspecially at redlights when brake is pushed but sounds totally different when put in nuetral
when i drive it jerks and it wasnt starting for a while one day it wouldnt start after i had been...
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when i drive it jerks and it wasnt starting for a while one day it wouldnt start after i had been driving for a while i poured water on the coil pack and it started