October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Section 21 (Engine Control System (Diagnostics) - Introduction): General Description: Inspection: Notes

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Before performing diagnostics, check the following item which might affect engine problems.