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Old 01-24-2015, 09:34 AM   #1
basharalezze
 
Drives: yaris sedan 2008
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Red face Troublesome problem

can any help me my car yaris sedan 2008 A/T 4 speed my problem is the fourth speed not working RPM arrived to 4 and 120 km and the gear dont shifting to the fourth worker of maintenance told me that the reason is speed sensor turbine as shows in Screening device

Last edited by basharalezze; 07-17-2015 at 08:16 AM.
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Old 01-24-2015, 12:21 PM   #2
CTScott
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The mechanic could be correct. If the diagnostic tester is indicating an error code for the turbine speed sensor, that would make sense.

The turbine speed sensor is located on top of the transmission, next to the gear driven speed sensor. If the two sensor's data does not agree, then the computer will report an error and will have issues with shifting.
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Old 01-24-2015, 03:14 PM   #3
basharalezze
 
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Quote:
Originally Posted by CTScott View Post
The mechanic could be correct. If the diagnostic tester is indicating an error code for the turbine speed sensor, that would make sense.

The turbine speed sensor is located on top of the transmission, next to the gear driven speed sensor. If the two sensor's data does not agree, then the computer will report an error and will have issues with shifting.
thank you very . but what is the solution .. should replace speed sensor turbine
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Old 01-24-2015, 06:59 PM   #4
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Originally Posted by basharalezze View Post
thank you very . but what is the solution .. should replace speed sensor turbine
Yes. If that does not fix it, then the transmission is internally slipping and that will require a rebuild or replacement of the transmission.
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