I am experiencing harshness under some acceleration situations, similar to a vehicle laboring in too high a gear. Also irregular idle RPM, almost cutting out at times.

Been happening long?
How many km on car?
City or hwy usage?
Started at last petrol fill or soon after?
If you drive it hard how does it respond? (Full throttle 20-100kph for a short onramp)

My thoughts are along the lines of
Bad fuel, dead sensor somewhere, worn out spark plugs, vac/boost leak,

    Philia_Bear
    Has been evident for about a month on and off
    Vehicle has 131234 klm
    Mainly short suburban trips with the occasional 100 + trip
    Have had a few fuel fills
    It responds quite well, but as mentioned there is a harshness similar to being in too high a gear.
    Thank you for your response

    10 months later

    Philia_Bear “Bad fuel, dead sensor somewhere, worn out spark plugs, vac/boost leak”

    Generally speaking, do they need replacement to be preventive around 130k mileage? Or we just use till it breaks?