Revolutionize Engine Performance with the Latest Secondary Air Injection Systems

So I know the pump works. The fuse is still intact. What tells the system to operate? is it temperature related? The secondary air injection pump on the Beetle is apparently used to accelerate the transition from cold start to hot catalytic converter ... Codes 44 & 94 - AIR system inoperative - Air Injection. Check vacuum lines for leaks, & cracks. Disconnect the big hose from smog pump. Secondary Air Injection System. The secondary air injection system of your vehicle helps provide clean air to your exhaust system to reduce your exhaust ... Replace the AIR pump and install a new inlet hose and solenoid tube assembly using the following procedure. Haynes Repair Manual says, “The secondary air injection system is used to reduce tailpipe emissions on INITIAL ENGINE START-UP. …The air ... An activated secondary air injection system leads to an increase in oxygen content in the exhaust (air flow from the secondary air pump). 987 Forum - Secondary air injection system issue - Hello, my Cayman 987.1 152K miles is giving me a CEL with codes P0491 and P0492, ... ... secondary air injection system error. The certified dealer replaced the manifold gasket, exhaust gasket, air pump gasket and air pump. The ... Secondary Air Pump & EGR System ... Does your BMW have a fault code or check engine light for the secondary air intake (SAI) system? You're not alone! The ...