A driver reports surging at steady cruise. Fuel trims fluctuate lean-to-rich, MAF is stable, but fuel pressure gauge shows rapid oscillations. What is the 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 |