Where in Manila can I find a Toyota tamaraw fx specialist mechanic or enthusiasts?

I Just bought 1996 FX desiel and I want to get it running well. I need a mechanic that I can trust because so far I have found nothing but incompetent con-men. It does not help that I am a trusting foreigner.Where in Manila can I find a Toyota tamaraw fx specialist mechanic or enthusiasts?what seems to be the problem of your tamaraw fx.