Toyota P0171

System too lean (Bank 1) on Toyota — MAF sensor, intake gasket and PCV are the common UK culprits on 1.8 VVT-i and 2.0 VVT-i.

Bob's Mechanical Repairs — independent family-run garage in Birnam, Dunkeld, Perthshire. Call 01350 727 276 or email [email protected].