I've just changed on my 100 kw 2003 Mazda6 (240 000 kms) the worn dual mass flywheel by a valeo kit including a rigid flywheel So here is my question, is there a way using Forscan to increase the idle speed value (850 rpm would be enough)?Alibaba.com offers 1,138 for mazda idle air control valve products. About 0% of these are Valves. A wide variety of for mazda idle air control valve options are available to you, such as structure, media, and application. Apr 21, 2012 · There is no noise at stop with engine idle and no noise about 50-60km/h. However around 50km/h you can hear it a bit when going over bumps. Does anyone know what this might be? with the mileage and the truck u may have an 02 sensor going bad or maybe a vaccum leak. i have a 01 ram v6 and was having problems with the o2 sensor on it and it was flooding out not idling right and come to find out that the o2 sensor in front of the catt. converter actually sends signals to ur comp. and will adjust ur fuel to air mix and it keeps changing so u might run a diag.test on it ...