A vehicle with a coil-on-plug ignition system has a misfire only under heavy load. Scope analysis shows normal primary voltage but erratic secondary voltage on one coil. What is the most likely fault?
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 |