Section 22 (Engine Controls - Basic Testing): Summary
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1992 Volkswagen Passat, 1992 Volkswagen Jetta, 1992 Volkswagen Golf, 1992 Volkswagen GTI, and 1992 Volkswagen Fox. However, it is still accessible from the selected car via links, so may be relevant.
If no faults were found while performing the tests in this article, see TESTS W/O CODES article in this section for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures.