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hard to get response , when the gear shift from 1 till 3 it shock , i change throttel body , Intake filter , MAF sensor , all O2 sensor , remove exhuat filter and engine wires and still come
just i reset by OBD device its come normal but drive it more than 10 miles with AC on its come the problem when AC off it take more distnace to come

this code it showing to me P0507 , P006A , P0507
Vehicle: infinti g37x 2010 3.7

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P0507 Idle air control system is higher than expected

When the idle is higher than expected, you may have to do air intake volume relearn especially if you changed the throttle body. See if this TSB listed is similar

 

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  • Engine, A/T Controls - Hesitation On Acceleration/Harsh Shiftin

Classification: AT12-003D

Reference: ITB12-027D

Date: November 14, 2012

2009 - 2012 G37; SHIFT RESPONSIVENESS ISSUES

This bulletin has been amended to change the first sentence of the IF YOU CONFIRM statement. Discard and previous versions.

APPLIED VEHICLES:      2009 - 2011 G37 Sedan and Coupe (V36/CV36)
                       2009 - 2012 Convertible (HV36)

APPLIED ENGINE:        VQ37VHR

APPLIED TRANSMISSION:  7 speed

 

IF YOU CONFIRM
That the customer has experienced or is experiencing:

 

^ Harsher than expected down shifts when coasting to a stop

 

^ Hesitation/lag when accelerating after coasting

 

^ Hesitation/lag or harsher than expected down shifts when coming to a stop and accelerating again (rolling stop)

 

^ Engine rev matching during moderate to heavy braking

 

NOTE:
Engine rev matching is normal operation of the ASC (Adaptive Shift Control) in normal drive mode and sport mode. The ECM and TCM reprogramming in this bulletin will remove engine rev matching from ASC in normal drive mode, but it will remain as part of the ASC in sport mode.

 

ACTION

1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.

 

2. If this bulletin applies, reprogram the ECM and TCM

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