2012 Infiniti G37 Engine Problems
- Complaints
- 4about this part
- Share
- 6%of 63 total for the year
- Median mileage
- 55,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2012 Infiniti G37, 6% of the 63 complaints for this model year. Where a mileage was given, the median is 55,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The vehicle was in motion and would not enter 3rd or 4th gear. When I brought it into the retailer they said I needed transmission valve body replaced at a cost of $3000. The car only has 55,000 miles on it. What would cause this?”
NHTSA complaint #11209748, filed 2019-05, 55,000 miles“The cooling system in this vehicle has a two part performed hose that connects the engine cooling system to the cabin heat exchanger. The two parts are connected with a plastic junction with two spring clamps. This vehicle has approx 85k miles and still has the original coolant. This junction disintegrated. It appears to not be compatible with the coolant. It delaminated and sheared. Luckily it broke while stopped in the garage. …”
NHTSA complaint #11387591, filed 2021-01, 85,000 miles“Stopped at a traffic light. Car in drive & foot on brake pedal. Engine suddenly revs up to over 3000 rmp and car wants to lunge forward.very difficult to hold car from lunging into car in front. Put gear shift into neutral to prevent an accident.this same thing has occurred on 11/1/2013 and 12/23/2013.reported to dealer & nissan. No help.”
NHTSA complaint #10557286, filed 2013-12, 12,275 miles“The contact owns a 2012 Infiniti G37. The contact stated while starting the vehicle, the vehicle burst into flames in the front area of the vehicle. As a result, the front of the vehicle was severely burned and two parked vehicles nearby were damaged due to the fire. The fire department was able to extinguish the fire on all the vehicles. The contact did not suffer any injuries. A police report was filed. The vehicle was not diagnosed. The manufacturer was not notified of the failure. The failure mileage was unknown.”
NHTSA complaint #11506286, filed 2023-02Related service bulletins
- 10152503Nov 28, 2018OBD II EVAP Tube Warranty Enhancement The update below was sent out to Regions and Retailers in August of this year. We are re-circulating this update to make regional and…
- 10119264Nov 28, 2016INFINITI; DIAGNOSIS INFORMATION FOR ABS DTC C1130 SERVICE INFORMATION When diagnosing for DTC C1130 (ENGINE SIGNAL): ECM related DTCs (P-codes) must be diagnosed, repaired, and…
- 10192479Nov 25, 2014SERVICE INFORMATION Starting with 2010 Model Year, Infiniti vehicles have been gradually incorporating a new type of DTC known as Permanent DTC or P-DTC. If a vehicle is equipped…
- 10192294Jan 13, 2014SERVICE INFORMATION Replacement Engine Control Modules (ECMs) for many newer Infiniti vehicles are now "Blank" ECMs. Blank ECMs come without software and must be programmed (not…
Engine: other model years
Other parts of the 2012 Infiniti G37
33 complaintsSeats
11 complaintsElectrical system
10 complaintsOther or unknown
10 complaintsVehicle speed control
6 complaintsBody and structure
4 complaintsTransmission and drivetrain
4 complaintsBrakes
2 complaintsExterior lighting
2 complaintsFuel system
2 complaintsSteering
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2012 Infiniti G37
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology