P1491 Fault Code
You can find information about the P1491 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Acura P1491
"EGR Valve Lift Insufficient Detected"
Jeep P1491
"Rad Fan Control Relay Circuit"
Dodge P1491
"Rad Fan Control Relay Circuit"
Chrysler P1491
"Rad Fan Control Relay Circuit"
Honda P1491
"EGR Valve Lift Insufficient Detected"
Infiniti P1491
"Vacuum Cut Valve Bypass Valve"
Nissan P1491
"Vacuum Cut Valve Bypass Valve"
Looking To Fix This Yourself?
By using a workshop/repair manual you could diagnose and even fix this issue yourself.
You can find a collection of free manuals containing loads of information specific to your car on our partner site.
View Workshop/Repair/Service Manuals ยป
Commonly Affects
Popular Fault Codes
These are the most popular fault codes that people are searching for.
P0010