Archive for April 2026
Common EFI Problems
The Short Answer: Most EFI problems come down to a handful of common causes: clogged or faulty fuel injectors, fuel pressure issues, bad sensor readings, a low voltage or points style ignition system, or worn spark plugs. The fix is usually straightforward once you know where to look. If your EFI system was running fine…
Read MoreEFI Tuning Basics: AFR Targets, Idle Control, Timing, and More
The Short Answer: EFI tuning is the process of setting up and adjusting how your ECU delivers fuel and controls ignition timing across every operating condition. Self-tuning systems like FiTech handle most of this automatically using sensor feedback, but you’re still responsible for the baseline: idle speed, throttle blade position, and cold start setup. If…
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