P0171 OBD Trouble Code
1 result found
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | Fuel Trim System Lean Conditions |
| Location | Bank 1 |
| Cause | No PCM codes set, ECT input from 176-230°F, engine speed 1000-4000 rpm (0-4000 rpm on VIN 1), throttle angle steady below 91%, VSS under 70 mph, purge duty cycle below 80%, then the PCM detected that the LONGFT was over 100, or that the SHRTFT was below 94, either condition met for over 25 seconds |
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