G37 Coupe

Limp Mode/ Idle Jumping

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Old 05-29-2023 | 10:41 PM
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DaveVQ562's Avatar
DaveVQ562
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Limp Mode/ Idle Jumping

I have a 2013 G37 Coupe with 60k miles. It was involved in a wreck and hit front driver side. Got the car fixed and it was running fine for about 2 years then out of nowhere the cars RPM needle jumps from 650 - 1k - 1.5k rpms. Also the car is in limp mode and sometimes when im at the red light the car shuts off?? Im confused. When looking at the engine theres a hose from the throttle body i believe that is pushed up against the engine block. Does anyone know that this hose/line is called? Its a metal line.
Old 05-30-2023 | 09:26 AM
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Does it have "H" or "L" embossed on the top of the cap? Looks like the hi-side port for the AC system. This would not have any effect on the symptoms you are experiencing, though.

Last edited by ILM-NC G37S; 05-30-2023 at 10:06 AM.
Old 06-13-2023 | 07:28 AM
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Originally Posted by DaveVQ562
I have a 2013 G37 Coupe with 60k miles. It was involved in a wreck and hit front driver side. Got the car fixed and it was running fine for about 2 years then out of nowhere the cars RPM needle jumps from 650 - 1k - 1.5k rpms. Also the car is in limp mode and sometimes when im at the red light the car shuts off?? Im confused. When looking at the engine theres a hose from the throttle body i believe that is pushed up against the engine block. Does anyone know that this hose/line is called? Its a metal line.
So any updates?
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