Fuel Injector Problems: Complete Diagnosis Guide

Fuel injectors deliver precisely metered fuel into each cylinder. As fuel injector specialists, we see these problems every day.

Common Problems

• Carbon Deposit Buildup — Restricts flow, distorts spray
• O-Ring Deterioration — Causes fuel smell, fire risk
• Electrical Coil Failure — Dead cylinder
• Internal Leakage — Rich running, flooding

FAQ

Should I clean or replace? Professional ultrasonic cleaning restores most clogged injectors. Replace if electrically failed. Aurus US offers OEM-quality replacements with lifetime warranty.