Question about 2000 GMC Jimmy
When confronted with a P0442, many techs impulsively replace the cap, as it has been found to be responsible for a fair number of large-leak evap DTCs. Caps that are incorrectly installed following a fill-up also contribute to this problem. But as you know, vehicles with enhanced evaporative emissions systems, are very sensitive and will detect leaks that are much smaller than those resulting from a defective or loose cap. In fact, leaks as small as .040 in. can be detected.
Posted on Jul 05, 2008
a 6ya Mechanic 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 repair professionals here in the US.
click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Feb 03, 2015 | Cars & Trucks
Oct 11, 2014 | 2000 GMC Safari
Sep 06, 2014 | Cars & Trucks
Jun 03, 2011 | 2000 GMC Jimmy
May 28, 2011 | GMC Safari Cars & Trucks
May 12, 2010 | 1997 GMC Jimmy
Jan 09, 2010 | 1998 GMC Jimmy
206 people viewed this question
Usually answered in minutes!