P0491

AUDI

الرموز في الأصل P049100

Summary of all Vin-4-Pin topics for June Check engine light after charging - P0E5E00 Rattle noise from sound generator Vehicle sound malfunction warning Oil leak from oil filter drain off valve Secondary air codes…

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ASTON MARTIN

الرموز في الأصل P0491

V12 Secondary air injection codes P0492 P0491

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AUDI

الرموز في الأصل P049100

This bulletin contains diagnosis and repair information for DTC P049100 and P049200.

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VOLKSWAGEN

الرموز في الأصل P0491

Technical Bulletin (Update Programming, DTCs P0491 and or P2440 stored in the ECM Fault Memory): Current ECM software are causing erroneous faults. This document contains the codes necessary to update the software to…

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AUDI

الرموز في الأصل P0491

The MIL is on due to DTCs P0491 and P0492 being stored in the ECM.

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AUDI

الرموز في الأصل P0491

MIL on. DTC P0491 and P0492 (Secondary Air System Insufficient Flow, Bank 1/2) are stored at the same time. Mileage is greater than 15,000 miles. Under certain driving conditions, the secondary air ports in the cylinder…

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