Infiniti P1491: EVAP Vacuum Cut Valve/Bypass Range/Performance:
Is your scanner showing Infiniti P1491?
No worries. We'll show you what it means and how to deal with it.
Infiniti P1491: EVAP Vacuum Cut Valve/Bypass Range/Performance:
OVERVIEWWhat Does The Infiniti P1491 Code Mean?
Engine started, ECT sensor signal from 41-86ºF, engine at idle speed or 70 seconds, and the PCM detected the Vacuum Vent Cut Valve/Bypass Valve did not operate properly during the CCM test.
What Are The Potential Causes Of The Infiniti P1491 Code?
- EVAP vacuum cut bypass valve is damaged or has failed
- EVAP vacuum cut valve is damaged or has failed
- EVAP control system pressure sensor damaged or has failed
- Vapor hose between fuel tank and cut valve is blocked or bent
- Vapor hose between vacuum cut valve and EVAP canister clogged
- EVAP canister
- EVAP purge port of fuel tank for clogging
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Infiniti Electronic Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
