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.

Electronic Ignition Timing Advance (Storm & Storm GSi)

Electronic Spark Timing (EST) is controlled by ECM. Testing information is not supplied by manufacturer. If problem exists with EST, a Code 42 will be set. See G - TESTS W/ CODES article in this section.