P1477 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Too Much Secondary Air Injection Conditions |
| Cause | Engine warm-up completed, engine running in closed loop, then the PCM detected that too much secondary air was injected during the test period. Check for loose, broken or miss-routed vacuum hoses. Refer to Monitor Test, code repair chart to test this code. |
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