Alright, first thing’s first – put the engine under a clear, systematic test. Check the spark timing, fuel pressure, air filter, and of course the throttle body. If the spark is fine and the air‑fuel mix looks good, we’re probably looking at a blockage or a valve issue. Grab a pressure gauge, run a compression test on each cylinder, and see if the numbers fall out of line. If one or two are low, that’s your red flag. From there we’ll trim the timing and maybe pull a valve or two to clean them up. No shortcuts, just a steady, step‑by‑step approach. Sound good?