A vehicle misfires under load. Scope shows normal primary ignition but erratic secondary voltage on one coil. Swapping coils moves the misfire to another cylinder. What is the root cause?
Our free L1 practice questions act as a diagnostic tool to give you a clear snapshot of your Automotive Service Excellence Level 1 readiness. Discover which topics are your strengths and, more importantly, which critical topics require your immediate attention.
| Name | Automotive Service Excellence Level 1 |
| Code | L1 |
| Vendor | Skilled Trades |
| Certification | ASE |