Description OBD-II Trouble Code Description for P0491 Alfa Romeo Secondary Air Injection System Insufficient Flow The OBD2 Code Information Be Applicable For Alfa Romeo: 2014 Alfa Romeo MiTo new,,2014 Alfa Romeo Giulietta new,,2014 Alfa Romeo 4C,,2013 Alfa Romeo Gloria Concept,,2013 Alfa Romeo Disco Volante Touring,,2012 Alfa Romeo Disco Volante Touring Concept,,2011 Alfa Romeo TZ3 Stradale,,2011…
Tag: P0491
P0491 Acura Secondary Air Injection System Insufficient Flow Bank 1
Description OBD-II Trouble Code Description for P0491 Acura Secondary Air Injection System Insufficient Flow The OBD2 Code Information Be Applicable For Acura: 2014 Acura RLX,2014 Acura MDX,2013 Acura SUV-X Concept,2013 Acura RDX,2013 Acura NSX Concept,2013 Acura MDX Concept,2013 Acura ILX Endurance Racer,2013 Acura ILX,2012 Acura TL,2012 Acura RLX Concept,2012 Acura NSX Concept,2012 Acura ILX Street…
P0491 VOLKSWAGEN Secondary Air Injection System Insufficient Flow Bank 1
Possible causes – Intake leak– Damaged AIR system components– Faulty AIR Solenoid Valve– Faulty AIR system relay Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0491 FORD Secondary Air Injection System Insufficient Flow Bank 1
Possible causes – Secondary air pump with no or low air flow– Secondary air bypass solenoid leaking /blocked or stuck open /closed– Secondary AIR air hose restricted– Secondary air vacuum hoses restricted or leaking Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0491 FORD OBD Code Description The secondary air system detected…
P0491 BMW Mass Air Flow Sensor Low Flow Limit Detected Bank 1
Possible causes – Lean air/fuel ratio-Low fuel pressure– Failed HO2S11– Vacuum leak on engine– Failed MAF Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0491 AUDI Secondary Air Injection System Insufficient Flow Bank 1
Possible causes – Intake leak– Damaged AIR system components– Faulty AIR Solenoid Valve– Faulty AIR system relay Symptoms – Engine Light ON (or Service Engine Soon Warning Light)