4A-GE MK1 Engine high idle & random idle drop [Archive] - Toyota MR2 Message Board

4A-GE MK1 Engine, idle, speed, high, operation, normal, randomly, groups, intake, post, condition, finding, advise, timing, ignition, varying, correct, higher, fact, drops, indicating, throttle, switch, adjustment, checked, seek, norm, errands, manage, correction, effect, intervention/correction, required, initiated, logically, excess, range, rest, boosted, applies, modifications, work, beginning, bouncing, symptoms, prior, year, technical/diagnostics, threads, quiet

So this isnt a serious problem but it can be anoying. background: the EGR VSV is not working so none of the EGR components or T-VIS components work. the vacumm line to provide vacumm to the VSV is just plugged. and the mark off the front cover to set timming is broke off or somthing (its not there) other than that no other problems i know of. i do have a cone filter intakle as per Eric