I've been experienced this problem for few weeks already. My normal idling is around 1k rpm, but sometimes when the engine is getting hot it will hold my rpm at 1500 for 5-10 secs before it's going back to...
i want to get an ecu for my engine but someone ask about my engine when the year of manufacture is. i have a 3sge beams vvti 6mt from a toyota altezza. i bought the engine without ecu.