High rpm after throttle body cleaning

[faisalorakzai]

I cleaned the trottle body of my 5afe engine, now the rpm is revolving around 2000rpm, there is no vacuum leak and tps is correctly configured too, i searched through the forum but couldnot find a satisfactory answer, please help

[metalhead]

ECU reset... Done or not.

From TPS configured you mean calibration/adjustment for closed position and wide open throttle? Check the closed position at the butterfly valve.

When i cleaned the throttle body of my civic, same happened. Later i found that the valve is not closed fully. The mechanics adjust the throttle stop screw for cng setting, which is not to disturbed

[faisalorakzai]

iscv valve was stuck, i put some ATF in it and it started moving left to right, installed it back and connected it but it doesn't work, what could be the reason? i check all the wiring, everything is connected, is that electronic thing faulty, how to check if its faulty? for now i have adjusted it manually to 900rpm

[capsat]

KEEP WD-40 handy for such delicate lubrication(s). ATF fluid is THICK and resistant to butterfly movement of ISCV valve. Connect a diagnostic computer to check the symptoms fault code 33 in 5afe is of ISCV malfunction. only fixed by replacement.

[asad1]

clean it with carburator cleaner using atf isnt recommended is it o0n petrol or CNG?
btw u can lower down the RPM by unscrewing manually as well not a big issue

[faisalorakzai]

I think its damaged now, is a new ISCV valve valve available in market?

[Rahat083144]

I think its damaged now, is a new ISCV valve valve available in market?

This happened with my Dewan Lancer (auto). IAC Valve was gone, had it checked at a couple of places just to make sure. I then cleaned the throttle body myself and cleaned the the IAC Valve too, with carb cleaner spray. IAC Valve remained stuck and the RPM shot up to about 2000. I didn't do anything about it (yes kept using!), the car drank a lot of fuel but after a couple of weeks usage, the ECU readjusted maybe, and the RPM came down to about 800. They tell me that I can get a working IAC Valve from Shershah (here in Karachi) but I havent tried to change it yet. The car is running perfectly even with a stuck IAC Valve, but I am encountering a couple of problems: 1) On cold startup the engine RPM is very low (300-400), just like some Mehran and once the engine is warmed up, it rises to about 800-900. 2) At idle, when the AC cuts in, the RPM drops to half of what it is e.g. if it is 800 it will drop to 400 and the engine will vibrate a little and the cooling will not be upto standard.

[Rahat083144]

And yes, my car is on petrol. No CNG ever.

[asad1]

get it from shershah or garibabad as 5afe engine is awami engine most popular among all

And yes, my car is on petrol. No CNG ever.

[faisalorakzai]

Got a new throttle body, all issues resolved but the tps has 3 wires and no idle wire, so far no problem even though idle is not connected, car starts with a high rpm and slowing comes down to 900 and remains on 900.