Engine complaints and recalls from NHTSA
Summary
The 2003 Mitsubishi Diamante has 18 NHTSA engine complaints and 0 engine-related recalls.
18
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 10, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| May 25, 2011 | ENGINE AND ENGINE COOLING | I HAVE A 2003 MITSUBISHI DIAMANTE LS WITH 71677 MILES ON IT ALL OF THE SUDDEN MY HUSBAND (THE PRIMAR... |
| Apr 11, 2010 | ENGINE AND ENGINE COOLING | TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED HE NOTICED AN UNUSUAL ODOR OF C... |
| Jan 1, 2010 | ENGINE AND ENGINE COOLING,VISIBILITY | I HAVE A 2003 MITSUBISHI DIAMANTE WITH 60,000 PLUS MILES. FOR THE PAST SEVERAL MONTHS I HAVE NOTICED... |
| Nov 4, 2009 | ENGINE AND ENGINE COOLING,VISIBILITY | ANTI-FREEZE LEAK ON CARPET PASSENGER SIDE NEAR FIREWALL FOGGED UP WINDOWS CHECK ENGINE LIGHT COMES... |
| Nov 1, 2008 | ENGINE AND ENGINE COOLING | TL- THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT THE NEUTRAL LIGHT ON THE V... |
| Aug 9, 2008 | ENGINE AND ENGINE COOLING,POWER TRAIN | I OWN A 2003 MITSUBISHI DIAMANTE, AROUND 60K MILES I STARTED NOTICING A SWEET SMELL FROM THE VENTS A... |
| Jul 10, 2008 | ENGINE AND ENGINE COOLING | I OWN A 2003 DIAMANTE WITH ABOUT 60,000 MILES ON IT. MY WINDOWS CONTINUALLY FOG UP WHILE DRIVING OR... |
| Apr 28, 2008 | ENGINE AND ENGINE COOLING,POWER TRAIN | MY TRANSMISSION RELAY WENT OUT DUE TO A LEAK HEATER CORE. THE CORE HAS BEEN LEAKING FOR SOME TIME A... |
| Mar 20, 2008 | ENGINE AND ENGINE COOLING,VISIBILITY | I HAVE 2003 MITSUBISHI DIAMANTE. MY "CHECK ENGINE" LIGHT CAME ON, SO I TOOK IT IN FOR SERVICE, AND M... |
| Nov 28, 2007 | ENGINE AND ENGINE COOLING,POWER TRAIN | I OWN A 2003 DIAMANTE MITSUBISHI. THE PROBLEM STARTED WITH A CHECK ENGINE LIGHT COMING ON, FOGGING T... |
| Nov 13, 2007 | ENGINE AND ENGINE COOLING,VISIBILITY | THIS IS A MITSUBISHI DIAMANTE 2003 ES. I'M EXPERIENCING A SWEET SMELL OF ANTI-FREEZE INSIDE THE CAR ... |
| Nov 5, 2007 | ENGINE AND ENGINE COOLING | 2003 DIAMANTE ISSUES. STARTED SMELLING A SYRUPY TYPE SMELL, COOLANT SMELL THROUGHOUT THE CABIN AND H... |
| Jun 19, 2007 | ENGINE AND ENGINE COOLING | MAPLE SYRUP SMELL FROM AIR VENTS THEN CAR STARTED TO OVERHEAT HEATERCORE FAILURE, ANTIFREEZE IN FLO... |
| Jun 14, 2007 | ENGINE AND ENGINE COOLING | FIRST THE WINDSHIELD ON THE MITSUBISHI DIAMANTE 2003 LS FOGGED UP, LATER FUMES STARTED TO COME OUT... |
| Jan 19, 2007 | ENGINE AND ENGINE COOLING | ON FRIDAY, JAN 19, 2007, I WENT TO MY 2003 MITSUBISHI DIAMANTE VRX AFTER WORK TO GO HOME. WHEN I GO... |
| Nov 1, 2006 | ENGINE AND ENGINE COOLING,VISIBILITY | 2003 MITSUBISHI DIAMANTE WITH 65000 MILES. NOTICED FOG COMING OUT OF VENTS AROUND THE RADIO. IT SMEL... |
| Jan 21, 2006 | ENGINE AND ENGINE COOLING,FUEL SYSTEM, GASOLINE | I PURCHASED A USED 2003 MITSUBISHI DIAMANTE FROM BANKSTON DODGE IN 2007. IT WAS CLEAN AND RAN WELL.... |
| Nov 23, 2005 | ENGINE AND ENGINE COOLING,VISIBILITY | 2003 MITSUBISHI DIAMANTE COOLANT LEAK INSIDE THE CAR. STEAM FOGGING THE WINDOWS AND STRONG CHEMICAL... |