Motorservice Technipedia
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Information on diagnostics
Failure of secondary air pump
due to jammed relay

Information on diagnostics
Performing troubleshooting in the secondary air system

Information on diagnostics
OBD and secondary air system

Information on the product
Secondary air basis

Information on the product
Secondary-air system
Design, components

Information on diagnostics
Secondary-air system (2)
trouble-shooting

Information on diagnostics
Simple Fault Causes are often Missed
OBD error due to inadequate vacuum

Information on the product