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.

Engine Surges

Ensure fuel system performs properly (fuel pump, fuel filter, fuel injector and fuel pressure regulator).
Ensure proper spark exists from ignition system.
Ensure ignition timing is correct.
Check Engine Control Module (ECM) and wiring.