Unfortunately, CRC's MAF Cleaner is not a product that's available in my neck of the woods. Nearly every other CRC product is widely available, but this particular one isn't. I used to clean my MAF with CRC's QD Electronic Cleaner, but that's a different product judging by its spec sheet. Its propellant is HFC-152a (as opposed to carbon dioxide with the MAF Cleaner), and the evaporation rate is not mentioned other than "fast" (9 with MAF Cleaner). Information is available here: CRC QD Electronic Cleaner CRC MAF Cleaner I've had to replace my MAF today, because I was experiencing poor idle and a lot of bucking at highway speeds, and now I'm quite paranoid about what I should use as a cleaner. I'm not sure if the use of QD Electronic Cleaner has anything to do with my failed MAF, but a year ago I was told my MAP sensor was knackered (which is actually a program utilising the MAF for data) through a DPC code. I'm not sure if the cleaning had anything to do with it, but after cleaning it would always idle and run much smoother. Anyway, based on some reading I've done, I came across another product: CRC Marine QD Electronic Cleaner Looking at the spec sheet, the evaporation rate is the same as the MAF Cleaner, but again the propellant is HFC-152a. Having said that, the dealership uses tape head cleaner to clean the MAF sensor. I was wondering what would be a suitable alternative to the said MAF Cleaner for this application. Should I continue using QD EC, or would it be worthwhile looking into other products? I'm just wondering if I should look for something specific on spec sheets, and maybe a few product recommendations which I may be able to find around here. Thanks!