I reset the ecu yesterday via my secs unit.....because i was playing with it....

I have noticed this morning a idle problem.....the secs unit usually reades 800 to 900 revs when warmed up...but i noticed that its hold then dips down to 500 - 600 and then become erratic between 600 850 approx also noticed the car nearly cutting out when coming to a stop at junctions etc.....

I have an earthing mod on the car as it's remapped, decated and i have an STI panel filter fitted 2

Have been wondering for a while that i should replace the maf and o2 sensor as my cars a my99 and thinking there the original items.

or is it just the ecu learning?

any advice would be greatly apprciated

Phil

 

See how it goes, but it sounds like a MAF problem.

Mine done the same over Christmas

 

You replaced the maf?