help ASAP please :)

[[ Benj_16v ]]

when i rev the engine only a little bit say to 1500 rpm and take my foot shaprish off the pedal, sometimes it sounds like it will stall, then sometimes it does!will this be a timing problem?any ideas?because its annoying and wurrying me!
cheers

btw i have a 1992 1.4 rt

 

[[ Benj_16v ]]

anyone help

 

[Simf40]

well you could check the condition of the throttle body as if thats dirty it could cause it to stall at idle?

 

[Rich1.2]

idle control valve. clean it.