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EnginePart report

2007 Infiniti M45 Engine Problems

Complaints
4about this part
Share
15%of 27 total for the year
Median mileage
155,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine of the 2007 Infiniti M45, 15% of the 27 complaints for this model year. Where a mileage was given, the median is 155,000 miles.

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.

“I bought the vehicle from the owner and it drove fine til recently I was at a light and it started to want to turn off and did I could not get it to start again stuck at a light for another 5 mins of trying to turn it on. It has continue to do so as im driving while coming to a stop and all lights turn on and stalls again til it dies.”

NHTSA complaint #11326896, filed 2020-06, 150,000 miles

“While driving, my engine shuts down. This has happen a few times. Diagnostic says it is a camshaft sensor. I had that replaced and it continues to cut off while driving. This is extremely dangerous.”

NHTSA complaint #11292368, filed 2019-12, 160,000 miles

“The contact owns a 2007 Infiniti M45. While driving various speeds, the vehicle stalled without warning. In order to restart the vehicle, the contact had to completely turn off the vehicle and or place the vehicle in park. The check engine light was illuminated. The contact took the vehicle to the dealer where it was diagnosed that the cam sensor failed and needed to be replaced. The vehicle was repaired; however, the failure recurred. The manufacturer was made aware of the failure. …”

NHTSA complaint #10875971, filed 2016-06, 182,000 miles

“The contact owns a 2007 inifiniti M45. The contact stated that the keyless ignition button failed to start the engine and the fuel gauge failed to display the proper reading. The contact stated that the check engine indicator illuminated. The contact took the vehicle to an auto parts retailer where a diagnostic test was performed related to the engine warning indicator. It was diagnosed that there was a camshaft position sensor failure, a circuit failure, engine signal 1 failure, and manufacturer mode switch circuit failure. …”

NHTSA complaint #10967256, filed 2017-03, 69,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2008233%
2007415%
20061724%
2004716%
20032318%

Other parts of the 2007 Infiniti M45

Air bags
8 complaints
Seats
4 complaints
Steering
4 complaints
Electrical system
2 complaints
Body and structure
2 complaints
Transmission and drivetrain
2 complaints
Vehicle speed control
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Engine cooling
1 complaints
Fuel system
1 complaints
Other or unknown
1 complaints
Tires
1 complaints

← All problems reported for the 2007 Infiniti M45

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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