2003 Infiniti Q45: complaints, problems and recalls

THE BRAKES IN THIS VEHICLE MALFUNCTIONED AND BY SUCH CAUSED A VERY SERIOUS ACCIDENT. THE DEALER, NISSAN OF THE EASTSIDE IN BELLEVUE WA WAS SUPPOSED TO FIX SAID BRAKES AS I NOTED THAT THEY WERE NOT OPERATING CORRECTLY IN MY TEST DRIVE OF THE VEHICLE AND I WROTE THE CONTRACT SUBJECT TO THE BRAKES BEING FIXED. WHEN THEY DIDN'T FIX THE BRAKES THEY WERE COMMITTING FRAUD AND ALSO IN BREECH OF CONTRACT.. THEY DID NOT FIX THE BRAKES AS AGREED. INFINITI OF FIFE THEN SUPPOSEDLY DID SAID BRAKE WORK. A FEW DAYS LATER THE CAR IS IN AN ACCIDENT DUE TO BRAKE …

Owner-reported narrative. 40,100 miles reported. Look up ODI 10255514 at NHTSA ↗

MY 2003 INFINITI Q45 REPEATEDLY STALLS [SO FAR, 15+ TIMES] AND OFTEN WILL NOT RESTART [10+ TIMES]. WITH MY FAMILY AND ME IN THE CAR, THE STALLING OF THE CAR PUTS US REPEATEDLY IN JEOPARDY OF A REAR-END COLLISION OR VANDALISM OR BODILY INJURY IN DANGEROUS AREAS. THE CAR IS PROPERLY MAINTAINED ON ITS SERVICE SCHEDULE. IT TOOK MY MECHANIC A WEEK AT A COST OF $90 TO CONFIRM THAT THE PROBLEM IS THE ENGINE CONTROL MODULE [ECM], THE 'BRAIN' OF THE CAR WHICH CONTROLS OTHER VEHICLE SENSORS, AND THIS WAS CONFIRMED BY THE INFINITI DEALER AT A COST OF $150…

Owner-reported narrative. 111,000 miles reported. Look up ODI 10364192 at NHTSA ↗

BOUGHT 2003 Q 45 IN SPRING 2007, STILL UNDER WARRANTY. JUNE 2009 AT 79,000 MILES THE ENGINE WAS REPLACED (UNDER WARRANTY). 6/30/09, 80,081 MILES CAR PROBLEM WITH NO ACCELERATION AND SERVICE ENGINE AND CRUISE CONTROL LIGHT COMING ON. PROBLEM DIDN'T REOCCUR UNTIL JUNE 2012 WHEN ENGINE SUDDENLY CUT OFF WHILE DRIVING. WOULD RESTART IN NEUTRAL BUT IN A WEEK OR SO IT DID IT AGAIN ON THE INTERSTATE AT ABOUT 55. FORTUNATELY WAS IN RIGHT LANE AND COULD GET TO EMERGENCY LANE BEFORE SOMEONE RAN INTO ME. CAR RESTARTED. CONTINUED LIKE THIS UNTIL 6/29/12 WH…

Owner-reported narrative. 110,202 miles reported. Look up ODI 10519942 at NHTSA ↗

I HAVE A 2003 Q45 AND THE CAR HAS SHUT OFF WHILE DRIVING SEVERAL TIMES. THERE IS HAS IN THE CAR. I GET IT MAINTENANCE REGULARLY. ITS SHUT OFF WHILE DRIVING ON THE HIGHWAY PUTTING MY FAMILY AT RISK. ITS NOT SAFE TO DRIVE. AFTER DOING ONLINE SEARCHES I DETERMINED THAT A LOT OF PEOPLE ARE HAVING THIS SAME ISSUE WITH THIS MAKE AND MODEL. PLEASE RESEARCH THIS ISSUE BECAUSE I AM TERRIFIED TO DRIVE THIS CAR. IF THERE IS AN ISSUE WITH ELECTRONIC CHIP, INFINITI SHOULD HAVE TO REPLACE IT. THANK YOU *TR

Owner-reported narrative. 100,000 miles reported. Look up ODI 10574227 at NHTSA ↗

TL* THE CONTACT OWNS A 2003 INFINITI Q45. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE STEERING WHEEL SEIZED AND THERE WAS A SUDDEN LOSS OF POWER. THE VEHICLE WAS ABLE TO RESTART AND RESUMED TO NORMAL. THE FAILURE OCCURRED ON THREE OCCASIONS. THE DEALER REPAIRED THE VEHICLE BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000 AND THE CURRENT MILEAGE WAS 97,000.

Owner-reported narrative. 80,000 miles reported. Look up ODI 10610755 at NHTSA ↗

TL* THE CONTACT OWNS A 2003 INFINITI Q45. THE CONTACT STATED THAT WHILE DRIVING AT 30 MPH, A NOISE EMITTED FROM THE FRONT OF THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE FAN BELT AND POWER STEERING BELT NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. IN ADDITION, THREE MONTHS LATER, THE VEHICLE FAILED TO START. THE VEHICLE WAS TAKEN BACK TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE …

Owner-reported narrative. 92,000 miles reported. Look up ODI 10681313 at NHTSA ↗

I OWN A 2003 INFINITY Q45 AND WITHOUT WARNING THIS VEHICLE STALLS WHERE EVER IT WANTS AT A LIGHT WHILE YOU DRIVING ON A MAJOR HIGHWAY ON A MAJOR STREET NO WARNING WHAT SO EVER AND INFINITY IS AWARE OF THE PROBLEM BUT THEY ONLY WANT TO HELP CERTAIN VIN NUMBERS. I TOOK MY FAMILY SKIING TO SCRANTON PA AND ON INTERSTATE I80 THE CAR STALL WITHOUT WARNING MY ENTIRE FAMILY COULD HAVE BEEN KILLED. PLEASE DO SOMETHING ABOUT THIS IS A BIG ISSUE AND BEFORE SOMEONE GETS HURT OR KILLED SOMEONE SHOULD HELP. *TR

Owner-reported narrative. 94,000 miles reported. Look up ODI 10702990 at NHTSA ↗

START CAR FIRST THING IN THE AM. DRIVING NORMAL. WITHIN 5 MILES ENGINE SHUTS OFF WITHOUT WARNING. LOOSE ALL POWER. NO CODE APPEARS. AUTO WILL NOT START. FINALLY STARTS AFTER 5 OR 6 TRIES. THIS PROBLEM HAS CONTINUED TO OCCUR EVERY TWO OR THREE DAYS OVER THE LAST SIX MONTHS. BUT AUTO STARTS IMMEDIATELY AFTER. AUTO AND TRANSMISSION ARE NOT PERFORMING PROPERLY. NOW THE ENGINE STALL WHILE DRIVING IS HAPPENING ON A DAILY BASIS. AUTO HAS BEEN CHECKED OUT AT GEORGE HARTE INFINITI, WEST HAVEN, CT AT LEAST FIVE TIMES. DEALERSHIP CLAIMS THEY CANNOT ADDRES…

Owner-reported narrative. 112,000 miles reported. Look up ODI 10777700 at NHTSA ↗

Reported: 2012-02-28 (February 28, 2012)

NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2005 INFINITI Q45 VEHICLES. A WIRING CONNECTOR FOR THE SEAT MOUNTED AIRBAG MAY EXPERIENCE INCREASED ELECTRICAL RESISTANCE, RESULTING IN THE NON-DEPLOYMENT OF THE SIDE AIR BAGS.

Consequence: NON-DEPLOYMENT OF SIDE AIR BAGS COULD INCREASE THE RISK OF PERSONAL INJURY.

Remedy: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE WIRING CONNECTOR, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 19, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.