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I have a 2001 infinity qx4. 129000 miles. check engine light

Customer Question
is on and reads tourqe...
i have a 2001 infinity qx4. 129000 miles. check engine light is on and reads tourqe converter code.
Symptoms are shuttering while driving intermittently over 45mph. Now is progressing to a jerk when vehicle is in park, and engine is turned off, a sudden jerk from tranny as soon as engine cuts off. Are these the symptons of a tourqe converter before I spend money in this job?
Thanks. Robert
Submitted: 1 year ago.Category: Infiniti
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Answered in 1 minute by:
10/18/2016
Infiniti Mechanic: john aka eautp, ASE Certified Technician replied 1 year ago
john aka eautp
john aka eautp, ASE Certified Technician
Category: Infiniti
Satisfied Customers: 16,555
Experience: 16 years ase certified
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Hi . Thank you for asking your question on JustAnswer. exact code number?

Thank you again for trusting us with your problem. John aka eauto

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Customer reply replied 1 year ago
p0744
Infiniti Mechanic: john aka eautp, ASE Certified Technician replied 1 year ago

P0744 code is for improper lockup operation. Normally when you get this code it means the transmission has a internal failure.

The shutter is generally converter failure

Possible causes for this code is Torque converter and or clutch solenoid on the valve body, a bad clutch in the trans or Hydraulic control issue.

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Customer reply replied 1 year ago
That's what i was thinking also. Best solutions before it deteriorates is to replace the torque converter?
Also is there any other things that I should try first before going through with this process? (changing clutch solenoid or swaping out TCM)
Infiniti Mechanic: john aka eautp, ASE Certified Technician replied 1 year ago

exactly.. no it sounds like converter... id drain the fluid and look for conatmination first..if converter debris is in the transmission...the transmission will need a full rebuild....
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Customer reply replied 1 year ago
ok thanks will five star you on Thursday.
Robert Thanks
Infiniti Mechanic: john aka eautp, ASE Certified Technician replied 1 year ago

ok

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