Question about 2002 Pontiac Sunfire
The reason there is a P0440 = lare leak evap sytem. this can be caused be several things like a vent valve. which need to be close to check for leaks and if that stuck open this will set a p0440. or there is another problem. but i would start with a vent valve. there is a way to test it but you need a scan tool to do this. this is a common problem. 2734 GM Tech.
Posted on Oct 04, 2009
Its your o2 sensor (replace both) about 300-400
Posted on Sep 30, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Jun 27, 2014 | 2004 Pontiac Sunfire
May 27, 2011 | 1997 Pontiac Sunfire
Mar 21, 2011 | 1996 Pontiac Sunfire
Mar 03, 2010 | 2002 Pontiac Sunfire
Nov 11, 2009 | Pontiac Sunfire Cars & Trucks
Mar 16, 2009 | 1997 Pontiac Sunfire
Jan 16, 2009 | 2000 Pontiac Sunfire
Oct 14, 2008 | 1996 Pontiac Sunfire
1,341 people viewed this question
Usually answered in minutes!