Recent content by Mikebratty

Not 100% sure what year it is, think its an earlier model. No i havent touched the EFI coolant sensor, But ill give it a try. Do you think it would be ok to unplug it and see if it still surges and misses when its unplugged.

Hi My name is Mike. I have a 1992 toyota surf with a 1uzfe in it. Its running a standard ecu and manual gearbox. It starts beautifully and runs rely well for about 10min but when it gets up to operating temperature it starts to hunt/surge when idling, it also starts to miss and will...