okay friends, i finally got this mazda to idle for a few seconds on its own and snapped a shot. got 438 rpm; 76% load; maf7.2gm/s; o2s11 0mv; o2s12 873mv; tp 0.8v; iac 99%; and the strangest is the spark adv 16374 ? can anybody translate that to degrees? maf a... Login to read more.