I drove my frineds G37 into work today and it almost shut down on the highway. What could be wrong?


Asked by Nov 08, 2013 at 09:28 AM about the Infiniti G37

Question type: Maintenance & Repair

I got the car to the side of the road and it would not get above 1000 rpm before it shut down. I shut the car down and turned off the heater. Then I started it back up and it ran fine. Then when I got to my exit I saw the temperature run up from normal to hot. I shut it down and popped the hood to find that the engine did not seem hot at all.

2 Answers


It would help to know if this was an auto or manual transmission and if regular maintenance had been performed. Did you drive over a pothole or anything that could have jarred a loose connection somewhere? Did the car make any noises? Did electrical go out (gauges, stereo, etc)? Were you driving the vehicle hard (5k+ rpms)? Was the oil changed on time? Is there anything leaking? Check the battery connection and make sure it is on there tight. Check all the fluid levels.


Driving a manual transmission. Car rpms are constant but the car gets sluggish. Feels like it is downshifting. Once I restart car, drives fine for a while.

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