If you have changed all the air sensors maf etc this does sound like a mapping issue.
Mine ran like that on an incorrect map.
Probably need to find out what the map was? if it was just a stage one, it might be an idea to pop along to the dealer and get a complete reset on the ECU back to the factory settings and probably some updates if needed, then go from there.
Once you have a ECU back to factory settings and the problem still exists, it should be easier to pinpoint the issue then.
|