Question about 2002 Mitsubishi Diamante
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
Barring any vacuum leaks, P0401 is indicative of a bad EGR valve. Hope this answers your question. Best of luck.
Posted on May 30, 2009
P0174 means Fuel Trim too Lean (Bank 2)
P0401 means Exhaust Gas Recirculation Flow Insufficient Detected
P0420 means Catalyst System Efficiency Below Threshold (Bank 1)
and Visit www.repairpal.com
Posted on Sep 28, 2009
Tips for a great answer:
Apr 20, 2016 | 2003 Mitsubishi Diamante LS
Aug 16, 2015 | Mitsubishi Cars & Trucks
Jul 16, 2011 | 2001 Mitsubishi Diamante
Jun 11, 2010 | 2002 Mitsubishi Diamante
Jan 13, 2010 | 2000 Mitsubishi Diamante
Jan 12, 2010 | 2000 Mitsubishi Diamante
Dec 02, 2009 | 2001 Mitsubishi Diamante
May 15, 2009 | 2001 Mitsubishi Diamante
475 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: