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Question # 4
A vehicle intermittently sets DTC P0300 (Random Misfire). Misfires occur at highway cruise speeds. Fuel trims and O2 sensor switching are normal. What is the most probable cause?
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L1 Overview
| Name | Automotive Service Excellence Level 1 |
| Code | L1 |
| Vendor | Skilled Trades |
| Certification | ASE |
