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  1. Mazda 3 2003 intermittently jerks hiccups at 4000 rpm

    2004-2009 Mazda3 Discussion
    Hi! I have an old Mazda 3 2003. 1.6 fuel. It started jerking (back and forward), like it was cutting off fuel, on highway at about 4000 rpm. Oil was low. Since then oil + filter, fuel filter and spark plugs were replaced. If I don't release gas but keep it jerking at 4000 rpm, CEL with P0340...
  2. Track/Artist Info Displays Intermittently (or not at all)

    2014-2018 Mazda 3 Skyactiv Audio & Electronics
    I'm wondering if anyone can give me advice on getting the track/artist info (and if possible, artwork) working reliably. It works in some cases (with certain audio sources) but not always, and in the case of CDs, not at all (see below). The car is a 2015 Mazda3 i GT, I'm running infotainment...