problem boost rev power

Hi all, im new to this forum and thought you guys might be able to help me out on here. I purchase a 97 starlet glanza v about 2 months ago and had some minor problems with it but fixed them and got it throught the m.o.t last week. I have had the car on the road 2 days and now this has...

arite people, jus got my glanza a couple months back and has been running sweet until now.a few weeks ago i done the hi-low boost restriction with th hoses.week after running on that was good,until one night was fairly maulin on and the engine management light came on and wasnt reving the...