Volkswagen 2.0L Turbo P0171 P0507

Volkswagen 2.0L turbo, system lean condition, will not idle, rough idle, check engine light on. Here’s a list of the possible codes that will set and their  descriptions. P0300-P0304 – Cylinder misfires P0171 – Bank 1 system too lean P0507 – Idle air control sys. RPM higher than expected This vehicle sets the fuel trim system lean and idle control… Read More