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Old 03-05-2015, 07:43 PM   #1
yaris0985
 
Drives: yaris sedan 09
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How to fix p2138-yaris

I have code this code 1-2x Time winter....
After looking fews post yarisworld i not sure about the problem
Tps/ tb / pedal sensor.....

I have Only 1code p2138
Start with change the pedal sensor+cleaning the tb ???
An suggestion
Yaris 2008 automatic 1nf-ze
Thank
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Old 03-05-2015, 08:40 PM   #2
CTScott
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P2138 is specifically for the pedal circuit, so cleaning the throttle body will not help. Besides the pedal, the ECM could also be the culprit. I would check the ECM connectors for corrosion, but more likely the issue is with the pedal.
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Old 03-06-2015, 09:45 AM   #3
yaris0985
 
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Thank Ctscott

The choice now is pedal sensor or the pedal
What do you suggest
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Old 03-06-2015, 01:39 PM   #4
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The pedal sensor is part of the pedal assembly.
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Old 03-06-2015, 05:26 PM   #5
yaris0985
 
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Thank my mecanic Guy remove a antitheft wich was plug directly on the pedal the throttle answer a 100x Times better but now i lose the Cruise control....(rostra)
I return monday to see him to get this fix....i hope
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Old 03-06-2015, 09:45 PM   #6
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Quote:
Originally Posted by yaris0985 View Post
Thank my mecanic Guy remove a antitheft wich was plug directly on the pedal the throttle answer a 100x Times better but now i lose the Cruise control....(rostra)
I return monday to see him to get this fix....i hope
Ah - The Rostra cruise control systems were recalled in Canada and you are not the first to have one fail where it effects the throttle position sensor data.
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