About a year ago, i changed the engine in my 94 Prado after the old engine seized (fake oil filter, apparently). After the new engine was installed, I noticed that the engi e idles quite high (around 900rpm). However, once I engage the vehicle in gear, the idling normalises. Turning the idlin screw merely results in engine stallin once I engage gear and hit the road. Mehanic said (at the time of installin engine), that the engine was stiff and would loosen up. once loose, it should be ok but that has not proved to be the case.

Its a 4cylinder 2.7l toyota engine wit auto transmission

pls help, anybody.

anyone?

most likely ur idle air control valve IAC or MAF sensor is dirty locate and have them cleaned....pls dont use petrol in cleaning the MAF.

cretin: most likely ur idle air control valve IAC or MAF sensor is dirty locate and have them cleaned....pls dont use petrol in cleaning the MAF.

wats best for cleanin both

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this might be a sign for bad timing belt is gradually weaken

something like the one in the link below is good....some folks use carburretor cleaner, even though its not so ideal.

http://www.amazon.co.uk/BG-4073-SENSOR-CLEANER-114ml/dp/B00653Q26W/ref=sr_1_3?ie=UTF8&qid=1372348159&sr=8-3&keywords=maf+cleaner

also there is some truth in what the other poster said about checking ur timing belt/chain..see if its properly adjusted n confirm it isnt slacking