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Could be leaky injectors, fuel overpressure, evaporative emissions fault, or a vaccum leak. Though correct idle will normally disclude the last option. Is idle always good, or does it sometimes hover high for a while and then return to normal? Idle is always good. Is it possible to attach usual tyr...

Hi All, Another observation about my Tacuma 2.0. I can't direct engine to make slight increase in RPM - it's jumps right to 2500 mark. - Pedal and cable are OK - the same happens if I rotate throttle by the hand. Very slight movement - vuala - 2500 or so - Throttle body cleaned. No probs with idle -...

Thanks Trey05Woo for the explanation. Tried to disconnect "left-front" tube again. What bothers me that the air flow from the head is almost the same as from crankcase tube. Moreover, it contains drips of oil, so if I place a napkin in front of it it becomes wet in oil in a couple of seconds! How th...

If you feel significant blow-by coming from the the valve cover ports with the main feed hose disconnected from the crank pipe then the engine compression rings are worn and causing excessive blow-by. have you ever experienced oil spilling out of the dipstick tube? I'm not. But I own car about half...

Yes, it T20SED, I believe the same for Nubira/Leganza?

Here what I disconnected; Arrows shows direction of the flow at all six opennings:

Hi all Gurus here, I have a Tacuma, the question about it's engine, 2l 16-valves; 130 000 km. I'm not sure what prev. owner has with it, but when I've got it it has crankcase ventilation stuffed up. Mechanic who changes timing belt suspects that some kind of "overheating" has place (signs of coolant...