Summary A turbo actuator controls how much exhaust energy reaches the turbine wheel, by moving either a wastegate or the...

Summary A failing electronic turbo actuator shows itself as limp mode, persistent underboost or overboost, a stored boost-control code, and...

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

Summary A turbocharger and a supercharger do the same job — both compress the air going into the engine so...

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

Summary A failing turbocharger shows itself as blue or grey smoke, oil in the charge pipes, a siren-like whine, boost...