Posts Tagged: Secondary air injection system incorrect flow detected

Secondary air injection system incorrect flow detected

Causes of a secondary air injection system incorrect flow detected trouble code Secondary air injection faults are common on older vehicles equipped with a secondary air system. Most common cause of secondary air injection system incorrect flow detected Secondary air is added to the exhaust manifold or directly into the catalytic converter mainly to add oxygen to the exhaust to complete combustion of excess fuel and to get the catalytic converter up to full operating temperature. The ECU commands the A.I.R. pump to run and energizes the secondary air solenoid … Read More