How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask brownjeff Your Own Question
brownjeff, ASE Certified Technician
Category: Car
Satisfied Customers: 13886
Experience:  17 years experience, ASE certified, dealership certified, Service Manager for 15 years,
Type Your Car Question Here...
brownjeff is online now
A new question is answered every 9 seconds

1997 Infiniti QX4 Code 0440

Customer Question

1997 Infiniti QX4
Code 0440
Submitted: 7 years ago.
Category: Car
Expert:  brownjeff replied 7 years ago.

This is a code for an evaporative leak (fuel vapor) could be as simple as a loose can to one of the sensor in the system. Also there are rubber hoses in the system that crack and leak which will cause this. Make sure the fuel cap is on tight and check the hoses. Here is the system in question:


brownjeff and 7 other Car Specialists are ready to help you
Customer: replied 7 years ago.
Thanks brownjeff. I sent a tip.
Expert:  brownjeff replied 7 years ago.