check the tube leading from the air filter box down to the turbo, sometimes this gets contaminated with grease and cr*p and makes the tube very soft. when you hit the gas the turbo sucks air through this tube so if it's soft it collapses into it's self thus stopping the air flow= no power. failing that to check the turbo take off this tube at the turbo and put your fingers in the turbo (engine off...!)to see if you can move the blades...if you can the turbos fine. also check the air flow meter...next to the air filter box, disconnect it while the engines running, if it runs rough then it's ok, if nothing happens then it needs replacing.....
nick
May 2008
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