The IAC is not a regulator that is responsible for executing the orders that come from the engine computer to keep the idle stable. The IAC valve does not usually fail, in fact the most common failure in this valve is due to lack of maintenanc
Very rough idle
Really hoping someone can shed some light on this issue.
Every morning when I first start my 2015 1.5 d I have the same problem. It starts fine and idles fine but once I stop at the set of traffic lights 100yds from my house the idle is extremely rough,the engine shakes heavily and the car feels like it is going to cut out. But as soon as I start moving again all is fine and it won't do it again until the next morning. I've changed fuel filter and air filter but no difference. Hopefully someone else has experienced this and can help. Thanks guys
Every morning when I first start my 2015 1.5 d I have the same problem. It starts fine and idles fine but once I stop at the set of traffic lights 100yds from my house the idle is extremely rough,the engine shakes heavily and the car feels like it is going to cut out. But as soon as I start moving again all is fine and it won't do it again until the next morning. I've changed fuel filter and air filter but no difference. Hopefully someone else has experienced this and can help. Thanks guys
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