Summary A turbo actuator controls how much exhaust energy reaches the turbine wheel, by moving either a wastegate or the ring of variable vanes inside

Summary A failing electronic turbo actuator shows itself as limp mode, persistent underboost or overboost, a stored boost-control code, and performance that changes with engine

A failing turbocharger can quickly turn your car from a smooth, powerful ride into a sluggish, smoke-belching machine. Whether you’ve noticed a loss of power,

Summary A turbocharger and a supercharger do the same job — both compress the air going into the engine so that more fuel can be

Summary Overboost and underboost are one measurement read in two directions. Your engine management holds a boost target, compares it against the pressure a sensor

Summary Replacing a turbocharger is three jobs, not one: taking the old unit off, correcting whatever destroyed it, and fitting the next one without destroying