P1491 / NISSAN

Vacuum Cut Valve Bypass Valve

Notes:

P1491 / MOPAR

Rad Fan Control Relay Circuit

Notes:

P1491 / JAGUAR

Secondary Switch Solenoid Circuit Malfunction

Notes:

P1491 / ISUZU

EGR Valve Lift Insufficient Detected

Notes:

P1491 / HONDA

EGR Valve Lift Insufficient Detected

Notes:

P1491 / GENERIC

Secondary Switch Solenoid Circuit Malfunction

Notes:

P1491 / ACURA

EGR Valve Lift Insufficient Detected

Notes: