Will below zero temps effect the Throttle Actuator Control Motor on a 2009 Infiniti G37x?

Asked by Jan 01, 2014 at 11:08 AM about the 2009 INFINITI G37 xAWD

Question type: General

Will below zero temps effect the Throttle Actuator Control Motor on a 2009 Infiniti G37x?  Check engine light came on, car would not keep running, finally got it to idle and into garage.  Then started up fine.  Pulled code P2101, it was about -4 at the time.  Had warmed up the car for about 10 minutes and drove about 3 miles then shut off.  When restarting about 30 minutes later, had the problem.  Code cleared, and good for now.  Should I worry - more below zero temps forecasted.  Thanks!

2 Answers

1,345

extreme temperatures can affect ANY electronic part especially small moving ones. like the IAC or TAC. You might want to consider picking up an engine-blanket, or finding a slightly warmer place to park it during extreme conditions - for the short-term. My best guess, is build-up or moisture in the throttle-body froze it closed. taking apart the intake and giving it a good cleaning with a protective intake cleaner, should help prevent future freeze-ups. this is also assuming your TAC isn't already damaged

1 of 1 people found this helpful.

thanks for the update. unfortunately, unless I move to the south / southwest I may be out of luck this winter... Hopefully, the next cold blast is the last... Yesterday, I warmed it up much longer and drove for about 20 minutes, still in sub zero weather before shutting off and did not experience any problems. Hoping it was a one time fluke?... Thanks again!

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