P0411 Diagnostic Trouble Code Discussion for November 2008
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 1999 Porsche Boxster 2.5L Poor Idle Quality, RPM's hang VIN: WPOCA2988X P0411: Secondary air injection. Upon driving the vehicle and accelerating past 3 to 4 K..the engine rpms hang at approx. 3 to 3.2 k..with throttle released..have Porsche tester(PIWIS)checked throttle. Replaced idle valve with new Porsche part. Turning off A/C seems to cause great reduction i... |
November 05, 2008 | |
| 1999 Porsche Boxster 2.5L Poor Idle Quality, RPM's hang VIN: WPOCA2988X P0411: Secondary air injection. Upon driving the vehicle and accelerating past 3 to 4 K..the engine rpms hang at approx. 3 to 3.2 k..with throttle released..have Porsche tester(PIWIS)checked throttle. Replaced idle valve with new Porsche part. Turning off A/C seems to cause great reduction i... |
November 06, 2008 |
